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Causes of gender incongruence

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1973:(2008) tested the response of gynephilic trans women to two steroids hypothesized to be sex pheromones: the progestin-like 4,16-androstadien-3-one (AND) and the estrogen-like 1,3,5(10),16-tetraen-3-ol (EST). Despite the difference in sexual orientation, the trans women's hypothalamic networks activated in response to the AND pheromone, like the androphilic cis women's control groups. Both groups experienced amygdala activation in response to EST. Gynephilic cis male control groups experienced hypothalamic activation in response to EST. However, the trans women also experienced limited hypothalamic activation to EST. The researchers concluded that in terms of pheromone activation, trans women occupy an intermediate position with predominantly female features. The transfeminine subjects had not undergone any hormonal treatment at the time of the study, according to their own declaration beforehand, and confirmed by repeated tests of hormonal levels. 3496:"feminine and demasculinized" and in FtM it was possible to find traits which are "masculine and defeminized" (Kreukels & Guillamon, 2016)....Due to conflicting results, it was, however, not possible to identify specific brain features which consistently differ between cisgender and transgender nor between heterosexual and homosexual groups. Very small brain changes, to date undetectable using the current neuroimaging tools, may affect behavior. The small number of studies, the small sample size of each study, the heterogeneity of investigations, the lack of negative results reported by some studies, and the fact that some studies did not report the sexual orientation of the individuals that composed their sample did not allow drawing general conclusions. Moreover, as the samples of the publications involved are not representative of the population analyzed, caution should be taken in the interpretation of the results of this review. 1861:, which is generally thicker in cisgender women's brains than in cisgender men's brains, may also be thicker in trans women's brains, but is present in a different location to cisgender women's brains. It also stated that for both trans women and trans men, "cross-sex hormone treatment affects the gross morphology as well as the white matter microstructure of the brain. Changes are to be expected when hormones reach the brain in pharmacological doses. Consequently, one cannot take hormone-treated transsexual brain patterns as evidence of the transsexual brain phenotype because the treatment alters brain morphology and obscures the pre-treatment brain pattern." 1840:(2006) studied gross brain volume in 8 trans men and in 6 trans women undergoing hormone therapy. They found that hormones altered the sizes of the hypothalamus in a gender-consistent manner: treatment with masculinizing hormones shifted the hypothalamus towards the male direction in the same way as in male controls, and treatment with feminizing hormones shifted the hypothalamus towards the female direction in the same way as female controls. They concluded: "The findings suggest that, throughout life, gonadal hormones remain essential for maintaining aspects of sex-specific differences in the human brain." 1913:, which is generally thicker in cisgender women's brains than in cisgender men's brains, may also be thicker in trans women's brains, but is present in a different location to cisgender women's brains. For trans men, research indicates that those with early-onset gender dysphoria and who are gynephilic have brains that generally correspond to their assigned sex, but that they have their own phenotype with respect to cortical thickness, subcortical structures, and white matter microstructure, especially in the right hemisphere. 1729:(and which is affected by prenatal androgens), cadavers of six trans women had female-normal BSTc size, similar to the study's cadavers of cisgender women. While the trans women had undergone hormone therapy, and all but one had undergone sex reassignment surgery, this was accounted for by including cadavers of cisgender men and cisgender women as controls who, for a variety of medical reasons, had experienced hormone reversal. The controls still had sizes typical for their sex. No relationship to sexual orientation was found. 2088:, and quality of adjustment. However, the theory has been criticized in papers from Veale, Nuttbrock, Moser, and others who argue that it is poorly representative of trans women and non-instructive, and that the experiments behind it are poorly controlled and/or contradicted by other data. A 2009 study by Charles Moser of 29 cisgender women in the healthcare field based on Blanchard's methods for identifying autogynephilia found that 93% of respondents qualified as autogynephiles based on their own responses. 1875:
women, and cisgender women all had decreased connectivity compared with cisgender men in superior parietal regions, as part of the salience (SN) and the executive control (ECN) networks. Trans men also had weaker connectivity compared with cisgender men between intra-SN regions and weaker inter-network connectivity between regions of the SN, the default mode network (DMN), the ECN and the sensorimotor network. Trans women had lower small-worldness, modularity and clustering coefficient than cisgender men.
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gender dysphoria. This group is usually androphilic in adulthood. Late-onset gender dysphoria does not include visible signs in early childhood, but some report having had wishes to be the opposite sex in childhood that they did not report to others. Trans women who experience late-onset gender dysphoria are more likely be attracted to women and may identify as lesbians or bisexual. It is common for people assigned male at birth who have late-onset gender dysphoria to experience
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in adulthood, and seem thus to have arisen during development" and that "All observations that support the neurobiological theory about the origin of transsexuality, i.e. that it is the sizes, the neuron numbers, and the functions and connectivity of brain structures, not the sex of their sexual organs, birth certificates or passports, that match their gender identities".
2057:" (a taxonomic category referring to trans women attracted to men) are attracted to men and develop gender dysphoria typically during childhood, and characterizes them as displaying overt and obvious femininity since childhood; he characterizes "non-homosexual transsexuals" (trans women who are sexually attracted to women) as developing gender dysphoria primarily due to 1640: 1548:. Most notably, transmasculine subjects not only had the variant genotype more frequently, but had an allele distribution equivalent to cisgender male controls, unlike the cisgender female controls. The paper concluded that the loss of a female-specific CYP17 T -34C allele distribution pattern is associated with transmasculinity. 1849:
found that "Female INAH3 and BSTc have been found in MtF transsexual persons. The only female-to-male (FtM) transsexual person available to us for study so far had a BSTc and INAH3 with clear male characteristics. (...) These sex reversals were found not to be influenced by circulating hormone levels
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found that "although the majority of neuroanatomical, neurophysiological, and neurometabolic features" in transgender people "resemble those of their natal sex rather than those of their experienced gender", for trans women they found feminine and demasculinized traits, and vice versa for trans men.
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A 2020 paper tried to investigate and differentiate between the two competing hypotheses of a neurodevelopmental cortical hypothesis that suggests the existence of different brain phenotypes vs a functional-based hypothesis in relation to regions involved in the own body perception. Trans men, trans
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compared to cisgender men. Like earlier studies, researchers concluded that transgender identity was associated with a distinct cerebral pattern. MRI scanning allows easier study of larger brain structures, but independent nuclei are not visible due to lack of contrast between different neurological
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theorized that changes in fetal hormone levels produce changes in BSTc synaptic density, neuronal activity, or neurochemical content which later lead to size and neuron count changes in BSTc, or alternatively, that the size of BSTc is affected by the generation of a gender identity inconsistent with
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is disrupted, decreasing the masculinization of genitalia. Individuals with this condition are typically assigned female and raised as girls due to their feminine appearance at a young age. However, more than half of males with this condition raised as females come to identify as male later in life.
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and 8 of 35 (22.8%) pairs of assigned females. Among dizygotic or genetically non-identical twin pairs, there was only 1 of 38 (2.6%) pairs where both twins were trans. The significant percentage of identical twin pairs in which both twins are trans and the virtual absence of dizygotic twins (raised
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male sex characteristics. The research weakly suggests reduced androgen and androgen signaling contributes to trans women's identity. The authors say that a decrease in testosterone levels in the brain during development might prevent complete masculinization of trans women's brains, thereby causing
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Combining data from the present survey with those from past-published reports, 20% of all male and female monozygotic twin pairs were found concordant for transsexual identity... The responses of our twins relative to their rearing, along with our findings regarding some of their experiences during
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Combining data from the present survey with those from past-published reports, 20% of all male and female monozygotic twin pairs were found concordant for transsexual identity... The responses of our twins relative to their rearing, along with our findings regarding some of their experiences during
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combined a survey of pairs of twins where one or both had undergone, or had plans and medical approval to undergo, gender transition, with a literature review of published reports of transgender twins. The study found that one third of identical twin pairs in the sample were both transgender: 13 of
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found that among transgender individuals meeting diagnostic criteria for gender dysphoria, "cortical thickness, gray matter volume, white matter microstructure, structural connectivity, and corpus callosum shape have been found to be more similar to cisgender control subjects of the same preferred
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Results suggest that, although the majority of neuroanatomical, neurophysiological, and neurometabolic features in transgenders resemble those of their natal sex rather than those of their experienced gender,...in the gender identity investigation, in MtF it was possible to find traits which are
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A 2016 review reported that the brain structure of early-onset gynephilic trans men generally corresponds to their assigned sex, but that they have their own phenotype with respect to cortical thickness, subcortical structures, and white matter microstructure, especially in the right hemisphere.
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used MRI to compare 24 gynephilic trans women with 48 controls consisting of 24 cisgender men and 24 cisgender women. None of the study participants were undergoing hormone therapy. The researchers found sex-typical differentiation between the trans women and cisgender females, and the cisgender
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A 2016 review reported that early-onset androphilic transgender women have a brain structure similar to cisgender women's and unlike cisgender men's, but that they have their own brain phenotype. It also reported that gynephilic trans women differ from both cisgender female and male controls in
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tends to follow one of two broad trajectories: early-onset or late-onset. Early-onset gender dysphoria is behaviorally visible in childhood. Sometimes, gender dysphoria may stop for a while in this group, and they may identify as gay or homosexual for a period of time, followed by recurrence of
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Sex hormones in the prenatal environment differentiate the male and female brain. One hypothesis proposes that transgender individuals may have been exposed to atypical levels of sex hormones during later stages of fetal development, leading to brain structures atypical of their sex assigned at
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Contrary to the primary hypothesis, no sex-atypical features with signs of 'feminization' were detected in the transsexual group ... The present study does not support the dogma that have atypical sex dimorphism in the brain but confirms the previously reported sex differences. The observed
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They stated that due to limitations and conflicting results in the studies that had been done, they could not draw general conclusions or identify-specific features that consistently differed between cisgender and transgender people. The review also found differences when comparing cisgender
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female and male twins, nine (39.1%) were concordant for GID; in contrast, none of the 21 same‐sex dizygotic female and male twins were concordant for GID, a statistically significant difference (P = 0.005)... These findings suggest a role for genetic factors in the development of
1790:(2000). The differences were even more pronounced than with BSTc; control males averaged 1.9 times the volume and 2.3 times the neurons as control females, yet regardless of hormone exposure, trans women were within the female range and the trans men within the male range. 1853:
A 2015 review reported that two studies found a pattern of white matter microstructure differences away from a transgender person's birth sex, and toward their desired sex. In one of these studies, sexual orientation had no effect on the diffusivity measured.
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It has been suggested that the BSTc differences may be a result of hormone replacement therapy. It has also been suggested that because pedophilic offenders have also been found to have a reduced BSTc, a feminine BSTc may be a marker for
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Clayton PE, Miller WL, Oberfield SE, Ritzén EM, Sippell WG, Speiser PW (2002). "Consensus statement on 21-hydroxylase deficiency from the European Society for Paediatric Endocrinology and the Lawson Wilkins Pediatric Endocrine Society".
2027:, early-onset gender dysphoria is the most common course. This group is usually sexually attracted to women. Trans men who experience late-onset gender dysphoria will usually be sexually attracted to men and may identify as gay. 1993:
males so that a conclusion of "male shift" could be made, the study did reveal that the gynephilic trans men showed significant decrease in blood flow in the left anterior cingulate cortex and a significant increase in the right
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Rametti G, Carrillo B, Gómez-Gil E, Junque C, Segovia S, Gomez Á, Guillamon A (February 2011). "White matter microstructure in female to male transsexuals before cross-sex hormonal treatment. A diffusion tensor imaging study".
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Besser M, Carr S, Cohen-Kettenis P, Connolly P, de Sutter P, Diamond M, Di Ceglie D, Higashi Y, Jones L, Kruijver F, Martin J, Playdon Z, Ralph D, Reed T, Reid R, Reiner W, Swaab D, Terry T, Wilson P, Wylie K (2006).
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male controls. Trans women were more likely than cisgender males to have a longer version of a receptor gene (longer repetitions of the gene) for the sex hormone androgen, which reduced its effectiveness at binding
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differences between MtF-TR and controls raise the question as to whether gender dysphoria may be associated with changes in multiple structures and involve a network (rather than a single nodal area).
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in the same family at the same time) in which both were trans would provide evidence that transgender identity is significantly influenced by genetics if both sets were raised in different families.
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In a review of the evidence in 2006, Gooren considered the earlier research as supporting the concept of gender incongruence as a "sexual differentiation disorder" of the sexually dimorphic brain.
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Scientists speculate that the definition of masculine characteristics during puberty and the increased social status afforded to men are two possible motivations for a female-to-male transition.
2796: 1740:(1995), but with even more dramatic differences. One transfeminine subject who had never received hormone therapy was also included, and nonetheless matched up with the female neuron counts. 1833:". Compared to 24 cisgender males, they showed only lower FA values in the corticospinal tract. The white matter patterns in trans men were found to be shifted in the direction of cis men. 1610:. Research has shown that people with CAH and XX chromosomes will be more likely to experience same-sex attraction, and at least 5.2% of these individuals develop serious gender dysphoria. 1928:
While MRI taken on gynephilic trans women have likewise shown differences in the brain from non-trans people, no feminization of the brain's structure has been identified. Neuroscientists
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can cause transgender women's brains to become closer to those of cisgender women, and morphological changes observed in the brains of trans men might be due to the anabolic effects of
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Fewer brain structure studies have been performed on transgender men than on transgender women. A team of neuroscientists, led by Nawata in Japan, used a technique called
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women than that of cisgender men. It also reports that gynephilic trans women differ from both cisgender female and male controls in non-dimorphic brain areas.
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concentrations were more similar to those of cisgender men than of cisgender women, but there was a significantly greater volume of gray matter in the right
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Swaab DF (December 2004). "Sexual differentiation of the human brain: relevance for gender identity, transsexualism and sexual orientation". Review.
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A 2016 review reported that, for androphilic trans women and gynephilic trans men, hormone treatment may have large effects on the brain, and that
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The available research indicates that the brain structure of androphilic trans women with early-onset gender dysphoria is closer to that of
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suggest that there are likely genetic causes of gender incongruence, although the precise genes involved are not known or fully understood.
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Swaab DF, Castellanos-Cruz L, Bao AM (2016). "The Human Brain and Gender: Sexual Differentiation of Our Brains.". In Schreiber G (ed.).
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Smith YL, van Goozen SH, Kuiper AJ, Cohen-Kettenis PT (December 2005). "Transsexual subtypes: clinical and theoretical significance".
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including prenatal hormone treatment and postnatal genital reconstructive surgeries. Such treatments are sometimes criticized by
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males; but the gynephilic trans women "displayed also singular features and differed from both control groups by having reduced
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Nguyen, Hillary B.; Loughead, James; Lipner, Emily; Hantsoo, Liisa; Kornfield, Sara L.; Epperson, C. Neill (January 2019).
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Several studies have found a correlation between gender identity and brain structure. A first-of-its-kind study by Zhou
1614: 1413: 1248: 1024: 1019: 841: 424: 1989:(rCBF) of 11 gynephilic trans men with that of 9 androphilic cis women. Although the study did not include a sample of 5523: 5089: 4324: 1880: 1175: 1036: 781: 583: 495: 4080:"A further assessment of Blanchard's typology of homosexual versus non-homosexual or autogynephilic gender dysphoria" 1658: 1348: 1288: 3370:
Uribe, Carme; Junque, Carme; Gómez-Gil, Esther; Abos, Alexandra; Mueller, Sven C.; Guillamon, Antonio (2020-05-01).
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Morphological increments observed in the brains of trans men might be due to the anabolic effects of testosterone.
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Altinay, Murat; Anand, Amit (2020). "Neuroimaging gender dysphoria: a novel psychobiological model". Review.
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Pol HE, Cohen-Kettenis PT, Van Haren NE, Peper JS, Brans RG, Cahn W, Schnack HG, Gooren LJ, Kahn RS (2006).
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childhood and adolescence show their identity was much more influenced by their genetics than their rearing.
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childhood and adolescence show their identity was much more influenced by their genetics than their rearing.
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organizations as non-consensual, invasive, and unnecessary interventions. Individuals with CAH are usually
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Blanchard R (August 1989). "The classification and labeling of nonhomosexual gender dysphorias". Review.
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discovered that the trans men's white matter, compared to 19 cisgender gynephilic females, showed higher
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Blanchard R (October 1989). "The concept of autogynephilia and the typology of male gender dysphoria".
2903:"Sexual differentiation of the bed nucleus of the stria terminalis in humans may extend into adulthood" 1736:(2000) looked at the number of neurons in BSTc instead of volumes. They found the same results as Zhou 3561:"Male-to-female transsexuals show sex-atypical hypothalamus activation when smelling odorous steroids" 5399: 5206: 5191: 5159: 5146: 5007: 4919: 4787: 4754: 4729: 4583: 4547: 4441: 4411: 4230: 2808: 1933: 1403: 701: 651: 641: 218: 5466: 5231: 5016: 4934: 4475: 4419: 4346: 2111: – How a person thinks of oneself with regard to romantic and sexual orientation and behaviour 1986: 1830: 1622: 1517: 1513: 1313: 1212: 950: 721: 181: 5517: 5504: 2557:(2013). "Transsexuality Among Twins: Identity Concordance, Transition, Rearing, and Orientation". 2355:(2013). "Transsexuality Among Twins: Identity Concordance, Transition, Rearing, and Orientation". 1797:
study by Luders et al. found that among 24 trans women not treated with hormone therapy, regional
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Blanchard R (Winter 1991). "Clinical observations and systematic studies of autogynephilia".
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tissue types, hence other studies on e.g. BSTc were done by dissecting brains post-mortem.
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Nawata H, Ogomori K, Tanaka M, Nishimura R, Urashima H, Yano R, et al. (April 2010).
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Rametti et al. (2011) studied 18 trans men who had not undergone hormone therapy using
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Transsexuality in Theology and Neuroscience. Findings, Controversies, and Perspectives
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In 2008, Garcia-Falgueras & Swaab discovered that the interstitial nucleus of the
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Erickson-Schroth L (2013). "Update on the Biology of Transgender Identity". Review.
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and tend to develop similar cognitive abilities to the typical females, including
1374: 380: 348: 4047: 4030: 3646:(Fifth ed.). Arlington, VA: American Psychiatric Publishing. 2013. pp.  3602:"Regional cerebral blood flow changes in female to male gender identity disorder" 2722: 2570: 2368: 5380: 5292: 5236: 5074: 4859: 4558: 4377: 3372:"Brain network interactions in transgender individuals with gender incongruence" 3212: 2963: 2050: 1798: 1761: 1711: 1699: 1545: 1496: 1480: 1468: 1453: 1449: 776: 674: 388: 369: 343: 299: 280: 147: 34: 3454: 3306:"What has sex got to do with it? The role of hormones in the transgender brain" 2183: 5327: 5322: 5039: 4774: 4314: 4140: 4095: 3999: 3964: 3929: 3800: 3321: 3006: 2616: 2269: 2135:
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The Man Who Would Be Queen: The Science of Gender-Bending and Transsexualism
3577: 3560: 3529: 3512: 2862:"Male-to-female transsexuals have female neuron numbers in a limbic nucleus" 2085: 1990: 1906: 1707: 1541: 1500: 1476: 1163: 881: 338: 258: 224: 205: 4148: 4113: 4056: 4007: 3937: 3851: 3808: 3627: 3586: 3538: 3482: 3415: 3347: 3275: 3220: 3196: 3148: 3112: 3063: 3054: 3037: 3014: 2971: 2936: 2887: 2878: 2861: 2670: 2634: 2537: 2475: 2330: 2307:"Gender identity disorder in twins: a review of the case report literature" 2287: 2199: 1714:), are limited, as they include only a small number of tested individuals. 1483:), are limited, as they include only a small number of tested individuals. 4166: 3972: 3894: 3732: 3697: 2860:
Kruijver FP, Zhou JN, Pool CW, Hofman MA, Gooren LJ, Swaab DF (May 2000).
2838: 2415: 5441: 5201: 4906: 1938: 1918: 1328: 354: 331: 3180: 3163: 2797:"A sex difference in the human brain and its relation to transsexuality" 5342: 3886: 3724: 3398: 1942: 1802: 1529: 361: 287: 252: 2662: 2254:"A Review of the Status of Brain Structure Research in Transsexualism" 2049:
of male-to-female transsexualism built upon the work of his colleague
3437:
Frigerio, Alberto; Ballerini, Lucia; Valdes-Hernandez, Maria (2021).
2820: 1779: 1318: 325: 2305:, Schelfaut C, Elaut E, Vanden Bossche H, et al. (March 2012). 2011: 268: 3079:"Regional gray matter variation in male-to-female transsexualism" 2336: 2105: – Relationship between different sex and gender minorities 1338: 309: 4170: 1499:
who were mostly already undergoing hormone treatment, with 258
3916:
Blanchard R (January 1988). "Nonhomosexual gender dysphoria".
1794: 1633: 1343: 28: 3513:"Sex dimorphism of the brain in male-to-female transsexuals" 1998:, two brain regions known to respond during sexual arousal. 2081: 2795:
Zhou JN, Hofman MA, Gooren LJ, Swaab DF (November 1995).
2749:. Berlin and Boston: Walter de Gruyter. pp. 23–42. 1817:, the structure of which is sexually dimorphic. Rametti 1512:(NR3C4) is activated by the binding of testosterone or 1917:
can also affect transgender people's brain structure;
3758:. Washington, D.C.: Joseph Henry Press. p. 170. 3643:
Diagnostic and Statistical Manual of Mental Disorders
2599:
Dreger A, Feder EK, Tamar-Mattis A (September 2012).
1525:
a more feminized brain and a female gender identity.
2866:
The Journal of Clinical Endocrinology and Metabolism
5368: 5250: 5139: 5132: 5030: 4905: 4773: 4697: 4599: 4405: 4398: 4261: 2704: 2702: 2252:Guillamon A, Junque C, Gómez-Gil E (October 2016). 2137:"Transgender experiences – Information and support" 1871:gender compared with those of the same natal sex." 1540:, has been found to be linked to transsexuality in 1516:, where it plays a critical role in the forming of 3671: 3669: 3667: 3464:20.500.11820/7258d49f-d222-4094-a40f-dc564d163ea7 2901:Chung WC, De Vries GJ, Swaab DF (February 2002). 2830:20.500.11755/9da6a0a1-f622-44f3-ac4f-fec297a7c6c2 2247: 2245: 2243: 2241: 2239: 2237: 1813:(DTI), an MRI technique which allows visualizing 1751:in BSTc did not establish until adulthood. Chung 3550: 3548: 2774:(7th ed.). Pearson Education. p. 418. 2549: 2547: 2235: 2233: 2231: 2229: 2227: 2225: 2223: 2221: 2219: 2217: 1878:A 2021 review of brain studies published in the 1725:(BSTc), a region of the brain known for sex and 1448:. This is experienced by people who identify as 278: 4031:"Blanchard's Autogynephilia Theory: a critique" 1962: 1825:values in posterior part of the right SLF, the 1698:Transgender brain studies, especially those on 1467:Transgender brain studies, especially those on 3195:Bao, Ai-Min; Swaab, Dick (February 18, 2011). 3036:Garcia-Falgueras A, Swaab DF (December 2008). 2691:: CS1 maint: DOI inactive as of August 2024 ( 4182: 2594: 2592: 2068:Blanchard's theory has received support from 1440:Gender incongruence is the state of having a 1421: 8: 1893:people, with the same limitations applying. 1721:(1995) found that in the bed nucleus of the 1661:. There might be a discussion about this on 4127:Moser C (2009). "Autogynephilia in women". 1561:39 (33%) monozygotic or identical pairs of 5136: 4402: 4189: 4175: 4167: 2711:Journal of Gay & Lesbian Mental Health 1983:single-photon emission computed tomography 1428: 1414: 134: 4103: 4046: 3678:The Journal of Nervous and Mental Disease 3617: 3576: 3555:Berglund H, Lindström P, Dhejne-Helmy C, 3528: 3472: 3462: 3397: 3387: 3337: 3179: 3102: 3053: 2926: 2877: 2828: 2624: 2527: 2465: 2277: 1681:Learn how and when to remove this message 123:Learn how and when to remove this message 5353:Transgenerational epigenetic inheritance 3248:Neuroscience & Biobehavioral Reviews 2491:"Transsexual study reveals genetic link" 2400:"Atypical Gender Development – A Review" 59:. Please improve this article by adding 55:Relevant discussion may be found on the 2559:International Journal of Transgenderism 2435: 2433: 2404:International Journal of Transgenderism 2357:International Journal of Transgenderism 2127: 1945:volumes and elevated GM volumes in the 1495:A 2008 study compared the genes of 112 146: 3365: 3363: 3361: 3359: 3357: 2684: 1897:Androphilic vs. gynephilic trans women 4845:Psychological effects of Internet use 3606:Psychiatry and Clinical Neurosciences 2021:sexual excitement from cross-dressing 1532:gene, which acts on the sex hormones 7: 3953:Journal of Sex & Marital Therapy 2392: 2390: 2165: 2163: 1743:In 2002, a follow-up study by Chung 4825:Digital media use and mental health 2772:Psychology: The Science of Behavior 2496:Australian Broadcasting Corporation 2041:In the 1980s and 1990s, sexologist 2037:Blanchard's transsexualism typology 463:Puberty-suppressing hormone therapy 4456:Automatic and controlled processes 2919:10.1523/jneurosci.22-03-01027.2002 1764:rather than transgender identity. 1444:that does not correspond to one's 25: 4865:Smartphones and pedestrian safety 3168:European Journal of Endocrinology 2489:Carter, Helen (27 October 2008). 2142:. NHS. p. 12. Archived from 5516: 5503: 5491: 5490: 4890:Mobile phones and driving safety 3690:10.1097/00005053-198910000-00004 3619:10.1111/j.1440-1819.2009.02059.x 3389:10.1016/j.neuroimage.2020.116613 3141:10.1016/j.jpsychires.2010.05.006 3095:10.1016/j.neuroimage.2009.03.048 2529:10.1016/j.fertnstert.2007.05.056 2323:10.1111/j.1743-6109.2011.02567.x 1985:(SPECT) to compare the regional 1638: 1398: 1397: 1385: 1373: 524:Assisted reproductive technology 33: 4793:Computer-mediated communication 3260:10.1016/j.neubiorev.2015.09.008 3201:Frontiers in Neuroendocrinology 3129:Journal of Psychiatric Research 2115:Neuroscience of sex differences 1960:The researchers concluded that: 1953:and an area covering the right 1846:Frontiers in Neuroendocrinology 1732:In a follow-up study, Kruijver 1578:In people with XX chromosomes, 1552:Gender incongruence among twins 1464:have been studied for decades. 72:"Causes of gender incongruence" 5070:Empathising–systemising theory 4373:female intrasexual competition 4310:Evolutionarily stable strategy 3844:10.1016/j.psychres.2005.01.008 2458:10.1016/j.biopsych.2008.08.033 2311:The Journal of Sexual Medicine 1580:congenital adrenal hyperplasia 882:Cisgender / cissexual 877:Childhood gender nonconformity 503:Facial masculinization surgery 1: 5430:Standard social science model 4483:Cognitive tradeoff hypothesis 2605:Journal of Bioethical Inquiry 2098:Genetic diagnosis of intersex 1570:Prenatal hormonal environment 1462:causes of gender incongruence 1359:Social construction of gender 61:secondary or tertiary sources 5278:Missing heritability problem 4870:Social aspects of television 4493:Evolution of nervous systems 4461:Computational theory of mind 4048:10.1080/00918369.2010.486241 2723:10.1080/19359705.2013.753393 2571:10.1080/15532739.2013.750222 2369:10.1080/15532739.2013.750222 2014:, gender dysphoria in those 1615:5-alpha-reductase deficiency 931:Gender-sexuality questioning 5524:Evolutionary biology portal 4084:Archives of Sexual Behavior 3988:Archives of Sexual Behavior 3875:Archives of Sexual Behavior 3789:Archives of Sexual Behavior 3713:Archives of Sexual Behavior 3511:, Arver S (November 2011). 3443:Archives of Sexual Behavior 3213:10.1016/j.yfrne.2011.02.007 2995:Gynecological Endocrinology 2964:10.1016/j.yhbeh.2006.06.011 2907:The Journal of Neuroscience 2258:Archives of Sexual Behavior 1902:non-dimorphic brain areas. 1881:Archives of Sexual Behavior 1843:A 2011 review published in 1528:A variant genotype for the 496:Facial feminization surgery 5597: 5485:Evolutionary psychologists 5358:Trivers–Willard hypothesis 5273:Human–animal communication 4985:Ovulatory shift hypothesis 4835:Imprinted brain hypothesis 4803:Human–computer interaction 3455:10.1007/s10508-021-02005-9 2184:10.1007/s11682-019-00121-8 2172:Brain Imaging and Behavior 2034: 1485:Studies conducted on twins 866:Androphilia and gynephilia 566:Gender self-identification 5479: 5405:Environmental determinism 5376:Cultural selection theory 5263:Evolutionary epistemology 5177:evolutionary neuroscience 4850:Rank theory of depression 4352:Parent–offspring conflict 4204: 4141:10.1080/00918360903005212 4096:10.1007/s10508-009-9579-2 4000:10.1007/s10508-007-9306-9 3965:10.1080/00926239108404348 3930:10.1080/00224498809551410 3801:10.1007/s10508-005-4343-8 3322:10.1038/s41386-018-0140-7 3007:10.1080/09513590400018231 2617:10.1007/s11673-012-9384-9 2301:Heylens G, De Cuypere G, 2270:10.1007/s10508-016-0768-5 240:Non-binary or genderqueer 5581:Transgender and medicine 5298:Cultural group selection 5182:Biocultural anthropology 4875:Societal impacts of cars 4808:Media naturalness theory 4498:Fight-or-flight response 4129:Journal of Homosexuality 4035:Journal of Homosexuality 2030: 2025:assigned female at birth 1932:and Stefan Arver at the 1811:diffusion tensor imaging 685:Parental rights movement 594:Political office-holders 473:Gender-affirming surgery 18:Causes of transsexuality 5561:Behavioral neuroscience 5498:Evolutionary psychology 5462:Sociocultural evolution 5303:Dual inheritance theory 4760:Personality development 4221:Theoretical foundations 4198:Evolutionary psychology 3918:Journal of Sex Research 3310:Neuropsychopharmacology 2665:(inactive 2024-08-24). 2516:Fertility and Sterility 2055:homosexual transsexuals 1951:inferior frontal cortex 1867:Neuropsychopharmacology 1747:found that significant 1600:language lateralization 1456:, and often results in 279: 212:Bissu, Calabai, Calalai 5551:Psychological theories 5420:Social constructionism 5415:Psychological nativism 5390:Biological determinism 5338:Recent human evolution 5333:Punctuated equilibrium 5156:Behavioral epigenetics 5151:evolutionary economics 5120:Variability hypothesis 5065:Emotional intelligence 4798:Engineering psychology 4488:Evolution of the brain 2879:10.1210/jcem.85.5.6564 2016:assigned male at birth 1967: 1380:Transgender portal 1349:Sex–gender distinction 908:Gender detransitioning 795:Anatomical terminology 44:relies excessively on 5447:Multilineal evolution 5410:Nature versus nurture 5369:Theoretical positions 5217:Functional psychology 5212:Evolutionary medicine 5187:Biological psychiatry 4895:Texting while driving 4885:Lead–crime hypothesis 4745:Cognitive development 4730:Caregiver deprivation 4241:Gene selection theory 3578:10.1093/cercor/bhm216 3530:10.1093/cercor/bhr032 2952:Hormones and Behavior 2446:Biological Psychiatry 2416:10.1300/J485v09n01_04 2035:Further information: 1823:fractional anisotropy 1776:anterior hypothalamus 1584:medical interventions 1446:sex assigned at birth 1334:Queer heterosexuality 946:Rapid-onset dysphoria 729:Yogyakarta Principles 5571:Behavioural genetics 5566:Causes of conditions 5400:Cultural determinism 5207:Evolutionary biology 5192:Cognitive psychology 5140:Academic disciplines 4788:Cognitive ergonomics 4755:Language acquisition 4735:Childhood attachment 4548:Wason selection task 4442:Behavioral modernity 4231:Cognitive revolution 4214:Evolutionary thought 3055:10.1093/brain/awn276 2031:Blanchard's typology 1977:Gynephilic trans men 1934:Karolinska Institute 1786:(1995) and Kruijver 1756:one's assigned sex. 1702:attracted to women ( 1651:confusing or unclear 1471:attracted to women ( 920:Gender transitioning 872:Blanchard's typology 800:Fictional characters 746:Events and awareness 652:Anti-gender movement 5546:Transgender studies 5467:Unilineal evolution 5232:Population genetics 5017:Sexy son hypothesis 4955:Hormonal motivation 4935:Concealed ovulation 4476:Dual process theory 4347:Parental investment 3832:Psychiatry Research 3181:10.1530/eje.1.02248 2813:1995Natur.378...68Z 2770:Carlson NR (2010). 1987:cerebral blood flow 1831:corticospinal tract 1659:clarify the section 1623:dihydrotestosterone 1514:dihydrotestosterone 1314:Anti-LGBTQ rhetoric 859:Theory and concepts 741:Society and culture 722:Trans panic defense 5425:Social determinism 5308:Fisher's principle 5268:Great ape language 5258:Cultural evolution 5227:Philosophy of mind 5060:Division of labour 5022:Westermarck effect 4970:Mating preferences 4880:Distracted driving 4614:Literary criticism 4471:Domain specificity 4451:modularity of mind 3887:10.1007/BF01541951 3754:Bailey JM (2003). 3725:10.1007/BF01541365 3048:(Pt 12): 3132–46. 2743:For a survey, see 1911:Cortical thickness 1859:cortical thickness 1771:(2004) concurred. 1710:attracted to men ( 1598:, verbal ability, 1479:attracted to men ( 1354:Sexual orientation 1193:Disenfranchisement 762:Day of Remembrance 663:trans-exclusionary 148:Transgender topics 5533: 5532: 5511:Psychology portal 5475: 5474: 5318:Hologenome theory 5288:Unit of selection 5283:Primate cognition 5197:Cognitive science 5128: 5127: 4999:Sexual attraction 4975:Mating strategies 4740:Cinderella effect 4670:Moral foundations 4574:Visual perception 4466:Domain generality 4435:Facial expression 4383:Sexual dimorphism 4342:Natural selection 4288:Hamiltonian spite 3765:978-0-309-08418-5 3657:978-0-89042-554-1 2756:978-3-11-044080-5 2663:10.1159/000065490 2149:on 6 January 2012 2103:Intersex and LGBT 2070:J. Michael Bailey 2010:According to the 1864:A 2019 review in 1749:sexual dimorphism 1727:anxiety responses 1691: 1690: 1683: 1510:androgen receptor 1438: 1437: 1284:elected officials 914:Gender expression 767:Day of Visibility 576:Non-binary gender 542:Standards of Care 199:Gender identities 133: 132: 125: 107: 16:(Redirected from 5588: 5520: 5507: 5494: 5493: 5137: 5133:Related subjects 4920:Adult attachment 4447:Cognitive module 4403: 4390:Social selection 4364:Costly signaling 4359:Sexual selection 4246:Modern synthesis 4191: 4184: 4177: 4168: 4161: 4160: 4124: 4118: 4117: 4107: 4075: 4069: 4068: 4050: 4029:Moser C (2010). 4026: 4020: 4019: 3983: 3977: 3976: 3948: 3942: 3941: 3913: 3907: 3906: 3870: 3864: 3863: 3827: 3821: 3820: 3784: 3778: 3777: 3751: 3745: 3744: 3708: 3702: 3701: 3673: 3662: 3661: 3638: 3632: 3631: 3621: 3597: 3591: 3590: 3580: 3552: 3543: 3542: 3532: 3505: 3499: 3498: 3476: 3466: 3449:(8): 3329–3352. 3434: 3428: 3427: 3401: 3391: 3367: 3352: 3351: 3341: 3301: 3295: 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498: 489: 482: 475: 465: 446: 436: 427: 420: 418:Gender dysphoria 413: 284: 168: 165: 162: 159: 156: 135: 128: 121: 117: 114: 108: 106: 65: 37: 29: 21: 5596: 5595: 5591: 5590: 5589: 5587: 5586: 5585: 5576:Gender identity 5536: 5535: 5534: 5529: 5471: 5457:Neoevolutionism 5364: 5348:Species complex 5313:Group selection 5251:Research topics 5246: 5222:Neuropsychology 5124: 5110:Substance abuse 5032:Sex differences 5026: 4940:Coolidge effect 4901: 4813:Neuroergonomics 4778: 4769: 4693: 4595: 4529:Folk psychology 4410: 4394: 4264: 4257: 4200: 4195: 4165: 4164: 4126: 4125: 4121: 4077: 4076: 4072: 4028: 4027: 4023: 3985: 3984: 3980: 3950: 3949: 3945: 3915: 3914: 3910: 3872: 3871: 3867: 3829: 3828: 3824: 3786: 3785: 3781: 3766: 3753: 3752: 3748: 3710: 3709: 3705: 3675: 3674: 3665: 3658: 3640: 3639: 3635: 3599: 3598: 3594: 3565:Cerebral Cortex 3559:(August 2008). 3554: 3553: 3546: 3523:(11): 2525–33. 3517:Cerebral Cortex 3507: 3506: 3502: 3436: 3435: 3431: 3369: 3368: 3355: 3303: 3302: 3298: 3288: 3286: 3241: 3240: 3236: 3194: 3193: 3189: 3161: 3160: 3156: 3125: 3124: 3120: 3076: 3075: 3071: 3035: 3034: 3030: 2992: 2991: 2987: 2949: 2948: 2944: 2900: 2899: 2895: 2859: 2858: 2854: 2807:(6552): 68–70. 2794: 2793: 2789: 2782: 2769: 2768: 2764: 2757: 2744: 2742: 2738: 2708: 2707: 2700: 2683: 2647: 2646: 2642: 2598: 2597: 2590: 2553: 2552: 2545: 2509: 2508: 2504: 2488: 2487: 2483: 2439: 2438: 2431: 2396: 2395: 2388: 2351: 2350: 2346: 2300: 2299: 2295: 2251: 2250: 2215: 2169: 2168: 2161: 2152: 2150: 2146: 2139: 2134: 2133: 2129: 2124: 2109:Sexual identity 2094: 2039: 2033: 2008: 1979: 1915:Hormone therapy 1899: 1696: 1687: 1676: 1670: 1667: 1656: 1643: 1639: 1632: 1630:Brain structure 1596:spatial ability 1592:assigned female 1588:intersex rights 1572: 1554: 1493: 1442:gender identity 1434: 1396: 1386: 1384: 1372: 1364: 1363: 1309: 1301: 1300: 1222: 1216: 1209: 1049: 994: 988: 978: 977: 968:Transmedicalism 936:Gender variance 926:Gender identity 918: 906: 864: 860: 852: 851: 791: 786: 757:Beauty pageants 748: 742: 734: 733: 690:Transgender men 665: 662: 659:Gender-critical 658: 657: 648: 598: 584:Rights movement 580: 561: 550: 549: 540: 528: 511: 508: 501: 494: 485: 478: 471: 468: 461: 444:Hormone therapy 442: 439: 432: 423: 416: 409: 405: 394: 393: 245:Gender fluidity 201: 191: 166: 163: 160: 157: 154: 129: 118: 112: 109: 66: 64: 54: 50:primary sources 38: 23: 22: 15: 12: 11: 5: 5594: 5592: 5584: 5583: 5578: 5573: 5568: 5563: 5558: 5553: 5548: 5538: 5537: 5531: 5530: 5528: 5527: 5514: 5501: 5488: 5480: 5477: 5476: 5473: 5472: 5470: 5469: 5464: 5459: 5454: 5449: 5444: 5439: 5434: 5433: 5432: 5427: 5422: 5417: 5412: 5407: 5402: 5397: 5392: 5378: 5372: 5370: 5366: 5365: 5363: 5362: 5361: 5360: 5355: 5350: 5345: 5340: 5335: 5330: 5325: 5320: 5315: 5310: 5305: 5300: 5295: 5285: 5280: 5275: 5270: 5265: 5260: 5254: 5252: 5248: 5247: 5245: 5244: 5239: 5234: 5229: 5224: 5219: 5214: 5209: 5204: 5199: 5194: 5189: 5184: 5179: 5162: 5153: 5143: 5141: 5134: 5130: 5129: 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4393: 4392: 4387: 4386: 4385: 4380: 4375: 4366: 4356: 4355: 4354: 4344: 4339: 4334: 4329: 4328: 4327: 4317: 4312: 4307: 4302: 4300:Baldwin effect 4297: 4296: 4295: 4290: 4285: 4275: 4269: 4267: 4259: 4258: 4256: 4255: 4250: 4249: 4248: 4243: 4238: 4233: 4228: 4218: 4217: 4216: 4205: 4202: 4201: 4196: 4194: 4193: 4186: 4179: 4171: 4163: 4162: 4119: 4070: 4041:(6): 790–809. 4021: 3978: 3943: 3908: 3865: 3822: 3779: 3764: 3746: 3703: 3684:(10): 616–23. 3663: 3656: 3633: 3592: 3544: 3500: 3429: 3353: 3296: 3234: 3207:(2): 214–226. 3187: 3154: 3135:(2): 199–204. 3118: 3069: 3028: 2985: 2958:(4): 589–601. 2942: 2913:(3): 1027–33. 2893: 2872:(5): 2034–41. 2852: 2787: 2780: 2762: 2755: 2736: 2698: 2640: 2611:(3): 277–294. 2588: 2543: 2502: 2481: 2429: 2386: 2344: 2293: 2264:(7): 1615–48. 2213: 2159: 2126: 2125: 2123: 2120: 2119: 2118: 2112: 2106: 2100: 2093: 2090: 2059:autogynephilia 2032: 2029: 2007: 2004: 1978: 1975: 1898: 1895: 1695: 1692: 1689: 1688: 1646: 1644: 1637: 1631: 1628: 1613:In males with 1571: 1568: 1563:assigned males 1553: 1550: 1492: 1489: 1436: 1435: 1433: 1432: 1425: 1418: 1410: 1407: 1406: 1395: 1394: 1382: 1369: 1366: 1365: 1362: 1361: 1356: 1351: 1346: 1341: 1336: 1331: 1326: 1324:Gender studies 1321: 1316: 1310: 1307: 1306: 1303: 1302: 1299: 1298: 1297: 1296: 1291: 1289:Cafeteria riot 1286: 1281: 1271: 1269:United Kingdom 1266: 1261: 1256: 1251: 1246: 1241: 1240: 1239: 1229: 1210: 1208: 1207: 1206: 1205: 1200: 1195: 1185: 1184: 1183: 1178: 1171:United Kingdom 1168: 1167: 1166: 1158: 1153: 1152: 1151: 1143: 1138: 1137: 1136: 1128: 1123: 1122: 1121: 1116: 1108: 1103: 1098: 1097: 1096: 1091: 1086: 1078: 1077: 1076: 1071: 1066: 1056: 1044: 1039: 1034: 1033: 1032: 1022: 1017: 1012: 1011: 1010: 1005: 990: 989: 984: 983: 980: 979: 976: 975: 970: 965: 964: 963: 953: 948: 943: 938: 933: 928: 923: 916: 911: 904: 899: 894: 892:Cross-dressing 889: 887:Cisnormativity 884: 879: 874: 869: 861: 858: 857: 854: 853: 850: 849: 844: 839: 834: 829: 828: 827: 817: 812: 807: 802: 797: 787: 785: 784: 779: 774: 769: 764: 759: 754: 752:Awareness Week 744: 743: 740: 739: 736: 735: 732: 731: 726: 725: 724: 719: 709: 704: 699: 698: 697: 692: 687: 682: 675:Discrimination 672: 671: 670: 647: 646: 645: 644: 639: 637:Bathroom bills 631: 626: 625: 624: 619: 609: 604: 597: 596: 591: 586: 579: 578: 573: 568: 562: 556: 555: 552: 551: 548: 547: 546: 545: 533: 526: 521: 516: 507: 506: 499: 492: 491: 490: 487:male-to-female 483: 480:female-to-male 467: 466: 459: 458: 457: 452: 438: 437: 434:Sex assignment 430: 429: 428: 414: 406: 400: 399: 396: 395: 392: 391: 386: 385: 384: 377: 367: 366: 365: 358: 351: 341: 336: 335: 334: 329: 322: 317: 312: 307: 302: 297: 290: 285: 276: 271: 261: 256: 249: 248: 247: 237: 232: 227: 222: 215: 208: 202: 197: 196: 193: 192: 190: 189: 184: 179: 173: 170: 169: 151: 150: 144: 143: 131: 130: 41: 39: 32: 24: 14: 13: 10: 9: 6: 4: 3: 2: 5593: 5582: 5579: 5577: 5574: 5572: 5569: 5567: 5564: 5562: 5559: 5557: 5554: 5552: 5549: 5547: 5544: 5543: 5541: 5526: 5525: 5519: 5515: 5513: 5512: 5506: 5502: 5500: 5499: 5489: 5487: 5486: 5482: 5481: 5478: 5468: 5465: 5463: 5460: 5458: 5455: 5453: 5452:Neo-Darwinism 5450: 5448: 5445: 5443: 5440: 5438: 5437:Functionalism 5435: 5431: 5428: 5426: 5423: 5421: 5418: 5416: 5413: 5411: 5408: 5406: 5403: 5401: 5398: 5396: 5395:Connectionism 5393: 5391: 5388: 5387: 5386: 5385:indeterminism 5382: 5379: 5377: 5374: 5373: 5371: 5367: 5359: 5356: 5354: 5351: 5349: 5346: 5344: 5341: 5339: 5336: 5334: 5331: 5329: 5326: 5324: 5321: 5319: 5316: 5314: 5311: 5309: 5306: 5304: 5301: 5299: 5296: 5294: 5291: 5290: 5289: 5286: 5284: 5281: 5279: 5276: 5274: 5271: 5269: 5266: 5264: 5261: 5259: 5256: 5255: 5253: 5249: 5243: 5240: 5238: 5235: 5233: 5230: 5228: 5225: 5223: 5220: 5218: 5215: 5213: 5210: 5208: 5205: 5203: 5200: 5198: 5195: 5193: 5190: 5188: 5185: 5183: 5180: 5178: 5174: 5170: 5166: 5163: 5161: 5157: 5154: 5152: 5148: 5145: 5144: 5142: 5138: 5135: 5131: 5121: 5118: 5116: 5113: 5111: 5108: 5106: 5105:Schizophrenia 5103: 5101: 5098: 5096: 5093: 5091: 5090:Mental health 5088: 5086: 5083: 5081: 5078: 5076: 5073: 5071: 5068: 5066: 5063: 5061: 5058: 5056: 5053: 5051: 5048: 5046: 5043: 5041: 5038: 5037: 5035: 5033: 5029: 5023: 5020: 5018: 5015: 5013: 5009: 5005: 5002: 5000: 4996: 4993: 4991: 4988: 4986: 4983: 4981: 4978: 4976: 4973: 4971: 4968: 4966: 4965:Mate guarding 4963: 4961: 4958: 4956: 4953: 4951: 4948: 4946: 4943: 4941: 4938: 4936: 4933: 4931: 4928: 4926: 4925:Age disparity 4923: 4921: 4918: 4916: 4913: 4912: 4910: 4908: 4904: 4896: 4893: 4891: 4888: 4886: 4883: 4881: 4878: 4877: 4876: 4873: 4871: 4868: 4866: 4863: 4861: 4858: 4856: 4855:Schizophrenia 4853: 4851: 4848: 4846: 4843: 4841: 4838: 4836: 4833: 4831: 4828: 4826: 4823: 4821: 4818: 4814: 4811: 4809: 4806: 4804: 4801: 4799: 4796: 4794: 4791: 4790: 4789: 4786: 4785: 4783: 4781: 4780:Mental health 4776: 4775:Human factors 4772: 4766: 4765:Socialization 4763: 4761: 4758: 4756: 4753: 4751: 4748: 4746: 4743: 4741: 4738: 4736: 4733: 4731: 4728: 4726: 4725:paternal bond 4722: 4718: 4715: 4713: 4710: 4708: 4705: 4704: 4702: 4700: 4696: 4690: 4687: 4683: 4680: 4679: 4678: 4675: 4671: 4668: 4667: 4666: 4663: 4659: 4656: 4654: 4651: 4649: 4646: 4645: 4644: 4641: 4639: 4636: 4632: 4629: 4628: 4627: 4624: 4620: 4617: 4615: 4612: 4611: 4610: 4607: 4606: 4604: 4602: 4598: 4590: 4589:Naïve physics 4587: 4585: 4582: 4580: 4577: 4576: 4575: 4572: 4570: 4567: 4565: 4562: 4560: 4556: 4555:Motor control 4553: 4549: 4546: 4544: 4541: 4540: 4539: 4536: 4534: 4530: 4527: 4525: 4521: 4518: 4514: 4513:Ophidiophobia 4511: 4509: 4506: 4504: 4503:Arachnophobia 4501: 4500: 4499: 4496: 4494: 4491: 4489: 4486: 4484: 4481: 4477: 4474: 4472: 4469: 4467: 4464: 4462: 4459: 4457: 4454: 4453: 4452: 4448: 4445: 4443: 4440: 4436: 4433: 4431: 4430:Display rules 4428: 4426: 4423: 4422: 4421: 4418: 4417: 4415: 4413: 4408: 4404: 4401: 4397: 4391: 4388: 4384: 4381: 4379: 4376: 4374: 4370: 4367: 4365: 4362: 4361: 4360: 4357: 4353: 4350: 4349: 4348: 4345: 4343: 4340: 4338: 4335: 4333: 4332:Kin selection 4330: 4326: 4323: 4322: 4321: 4318: 4316: 4313: 4311: 4308: 4306: 4303: 4301: 4298: 4294: 4291: 4289: 4286: 4284: 4281: 4280: 4279: 4276: 4274: 4271: 4270: 4268: 4266: 4260: 4254: 4251: 4247: 4244: 4242: 4239: 4237: 4234: 4232: 4229: 4227: 4226:Adaptationism 4224: 4223: 4222: 4219: 4215: 4212: 4211: 4210: 4207: 4206: 4203: 4199: 4192: 4187: 4185: 4180: 4178: 4173: 4172: 4169: 4158: 4154: 4150: 4146: 4142: 4138: 4135:(5): 539–47. 4134: 4130: 4123: 4120: 4115: 4111: 4106: 4101: 4097: 4093: 4090:(2): 247–57. 4089: 4085: 4081: 4074: 4071: 4066: 4062: 4058: 4054: 4049: 4044: 4040: 4036: 4032: 4025: 4022: 4017: 4013: 4009: 4005: 4001: 3997: 3994:(4): 586–97. 3993: 3989: 3982: 3979: 3974: 3970: 3966: 3962: 3959:(4): 235–51. 3958: 3954: 3947: 3944: 3939: 3935: 3931: 3927: 3924:(1): 188–93. 3923: 3919: 3912: 3909: 3904: 3900: 3896: 3892: 3888: 3884: 3881:(4): 315–34. 3880: 3876: 3869: 3866: 3861: 3857: 3853: 3849: 3845: 3841: 3838:(3): 151–60. 3837: 3833: 3826: 3823: 3818: 3814: 3810: 3806: 3802: 3798: 3795:(4): 439–46. 3794: 3790: 3783: 3780: 3775: 3771: 3767: 3761: 3757: 3750: 3747: 3742: 3738: 3734: 3730: 3726: 3722: 3718: 3714: 3707: 3704: 3699: 3695: 3691: 3687: 3683: 3679: 3672: 3670: 3668: 3664: 3659: 3653: 3649: 3645: 3644: 3637: 3634: 3629: 3625: 3620: 3615: 3612:(2): 157–61. 3611: 3607: 3603: 3596: 3593: 3588: 3584: 3579: 3574: 3571:(8): 1900–8. 3570: 3566: 3562: 3558: 3551: 3549: 3545: 3540: 3536: 3531: 3526: 3522: 3518: 3514: 3510: 3504: 3501: 3497: 3492: 3488: 3484: 3480: 3475: 3470: 3465: 3460: 3456: 3452: 3448: 3444: 3440: 3433: 3430: 3425: 3421: 3417: 3413: 3409: 3405: 3400: 3395: 3390: 3385: 3381: 3377: 3373: 3366: 3364: 3362: 3360: 3358: 3354: 3349: 3345: 3340: 3335: 3331: 3327: 3323: 3319: 3315: 3311: 3307: 3300: 3297: 3285: 3281: 3277: 3273: 3269: 3265: 3261: 3257: 3253: 3249: 3245: 3238: 3235: 3230: 3226: 3222: 3218: 3214: 3210: 3206: 3202: 3198: 3191: 3188: 3182: 3177: 3174:: S107–S114. 3173: 3169: 3165: 3158: 3155: 3150: 3146: 3142: 3138: 3134: 3130: 3122: 3119: 3114: 3110: 3105: 3100: 3096: 3092: 3088: 3084: 3080: 3073: 3070: 3065: 3061: 3056: 3051: 3047: 3043: 3039: 3032: 3029: 3024: 3020: 3016: 3012: 3008: 3004: 3001:(6): 301–12. 3000: 2996: 2989: 2986: 2981: 2977: 2973: 2969: 2965: 2961: 2957: 2953: 2946: 2943: 2938: 2934: 2929: 2924: 2920: 2916: 2912: 2908: 2904: 2897: 2894: 2889: 2885: 2880: 2875: 2871: 2867: 2863: 2856: 2853: 2848: 2844: 2840: 2836: 2831: 2826: 2822: 2818: 2814: 2810: 2806: 2802: 2798: 2791: 2788: 2783: 2781:9780205547869 2777: 2773: 2766: 2763: 2758: 2752: 2748: 2740: 2737: 2732: 2728: 2724: 2720: 2717:(2): 150–74. 2716: 2712: 2705: 2703: 2699: 2694: 2688: 2680: 2676: 2672: 2668: 2664: 2660: 2657:(4): 188–95. 2656: 2652: 2644: 2641: 2636: 2632: 2627: 2622: 2618: 2614: 2610: 2606: 2602: 2595: 2593: 2589: 2585: 2580: 2576: 2572: 2568: 2564: 2560: 2556: 2550: 2548: 2544: 2539: 2535: 2530: 2525: 2521: 2517: 2513: 2506: 2503: 2498: 2497: 2492: 2485: 2482: 2477: 2473: 2468: 2463: 2459: 2455: 2451: 2447: 2443: 2436: 2434: 2430: 2425: 2421: 2417: 2413: 2409: 2405: 2401: 2393: 2391: 2387: 2383: 2378: 2374: 2370: 2366: 2362: 2358: 2354: 2348: 2345: 2341: 2338: 2332: 2328: 2324: 2320: 2316: 2312: 2308: 2304: 2297: 2294: 2289: 2285: 2280: 2275: 2271: 2267: 2263: 2259: 2255: 2248: 2246: 2244: 2242: 2240: 2238: 2236: 2234: 2232: 2230: 2228: 2226: 2224: 2222: 2220: 2218: 2214: 2209: 2205: 2201: 2197: 2193: 2189: 2185: 2181: 2177: 2173: 2166: 2164: 2160: 2145: 2138: 2131: 2128: 2121: 2116: 2113: 2110: 2107: 2104: 2101: 2099: 2096: 2095: 2091: 2089: 2087: 2083: 2079: 2075: 2074:Anne Lawrence 2071: 2066: 2064: 2060: 2056: 2052: 2048: 2044: 2043:Ray Blanchard 2038: 2028: 2026: 2022: 2017: 2013: 2005: 2003: 1999: 1997: 1992: 1988: 1984: 1976: 1974: 1972: 1966: 1961: 1958: 1956: 1955:angular gyrus 1952: 1948: 1947:right insular 1944: 1940: 1935: 1931: 1926: 1924: 1920: 1916: 1912: 1908: 1903: 1896: 1894: 1892: 1888: 1883: 1882: 1876: 1872: 1869: 1868: 1862: 1860: 1855: 1851: 1848: 1847: 1841: 1839: 1836:Hulshoff Pol 1834: 1832: 1828: 1827:forceps minor 1824: 1820: 1816: 1812: 1807: 1804: 1800: 1796: 1791: 1789: 1785: 1781: 1777: 1772: 1770: 1765: 1763: 1757: 1754: 1750: 1746: 1741: 1739: 1735: 1730: 1728: 1724: 1720: 1715: 1713: 1709: 1705: 1701: 1693: 1685: 1682: 1674: 1671:November 2022 1664: 1663:the talk page 1660: 1654: 1652: 1647:This section 1645: 1636: 1635: 1629: 1627: 1624: 1620: 1616: 1611: 1609: 1605: 1601: 1597: 1593: 1589: 1585: 1581: 1576: 1569: 1567: 1564: 1559: 1551: 1549: 1547: 1543: 1539: 1535: 1531: 1526: 1523: 1519: 1515: 1511: 1507: 1502: 1498: 1490: 1488: 1486: 1482: 1478: 1474: 1470: 1465: 1463: 1459: 1455: 1451: 1447: 1443: 1431: 1426: 1424: 1419: 1417: 1412: 1411: 1409: 1408: 1405: 1393: 1383: 1381: 1376: 1371: 1370: 1368: 1367: 1360: 1357: 1355: 1352: 1350: 1347: 1345: 1342: 1340: 1337: 1335: 1332: 1330: 1327: 1325: 1322: 1320: 1317: 1315: 1312: 1311: 1305: 1304: 1295: 1292: 1290: 1287: 1285: 1282: 1280: 1277: 1276: 1275: 1274:United States 1272: 1270: 1267: 1265: 1262: 1260: 1257: 1255: 1252: 1250: 1247: 1245: 1242: 1238: 1235: 1234: 1233: 1230: 1226: 1221: 1218: 1217: 1215: 1214: 1204: 1201: 1199: 1196: 1194: 1191: 1190: 1189: 1188:United States 1186: 1182: 1179: 1177: 1174: 1173: 1172: 1169: 1165: 1162: 1161: 1159: 1157: 1154: 1150: 1147: 1146: 1145:South Africa 1144: 1142: 1139: 1135: 1132: 1131: 1129: 1127: 1124: 1120: 1117: 1115: 1112: 1111: 1109: 1107: 1104: 1102: 1099: 1095: 1092: 1090: 1087: 1085: 1082: 1081: 1079: 1075: 1072: 1070: 1067: 1065: 1062: 1061: 1060: 1057: 1053: 1048: 1045: 1043: 1040: 1038: 1035: 1031: 1028: 1027: 1026: 1023: 1021: 1018: 1016: 1013: 1009: 1006: 1004: 1001: 1000: 999: 996: 995: 993: 987: 982: 981: 974: 973:Transmisogyny 971: 969: 966: 962: 959: 958: 957: 956:Transfeminism 954: 952: 949: 947: 944: 942: 941:Postgenderism 939: 937: 934: 932: 929: 927: 924: 921: 917: 915: 912: 909: 905: 903: 902:Gender binary 900: 898: 895: 893: 890: 888: 885: 883: 880: 878: 875: 873: 870: 867: 863: 862: 856: 855: 848: 845: 843: 840: 838: 835: 833: 830: 826: 823: 822: 821: 818: 816: 813: 811: 808: 806: 803: 801: 798: 796: 793: 792: 790: 783: 780: 778: 775: 773: 770: 768: 765: 763: 760: 758: 755: 753: 750: 749: 747: 738: 737: 730: 727: 723: 720: 718: 715: 714: 713: 710: 708: 705: 703: 700: 696: 695:Transmisogyny 693: 691: 688: 686: 683: 681: 678: 677: 676: 673: 669: 655: 654: 653: 650: 649: 643: 640: 638: 635: 634: 632: 630: 627: 623: 622:United States 620: 618: 615: 614: 613: 610: 608: 605: 603: 600: 599: 595: 592: 590: 589:Organizations 587: 585: 582: 581: 577: 574: 572: 569: 567: 564: 563: 560: 554: 553: 543: 539: 538: 537: 534: 531: 530:Voice therapy 527: 525: 522: 520: 517: 514: 510: 509: 504: 500: 497: 493: 488: 484: 481: 477: 476: 474: 470: 469: 464: 460: 456: 455:masculinizing 453: 451: 448: 447: 445: 441: 440: 435: 431: 426: 422: 421: 419: 415: 412: 411:Gender clinic 408: 407: 403: 398: 397: 390: 387: 383: 382: 378: 376: 373: 372: 371: 368: 364: 363: 359: 357: 356: 352: 350: 347: 346: 345: 342: 340: 337: 333: 330: 328: 327: 323: 321: 318: 316: 313: 311: 308: 306: 303: 301: 298: 296: 295: 291: 289: 286: 283: 282: 277: 275: 272: 270: 267: 266: 265: 262: 260: 257: 255: 254: 250: 246: 243: 242: 241: 238: 236: 233: 231: 230:Gender bender 228: 226: 223: 221: 220: 216: 214: 213: 209: 207: 204: 203: 200: 195: 194: 188: 185: 183: 180: 178: 175: 174: 172: 171: 153: 152: 149: 145: 141: 137: 136: 127: 124: 116: 105: 102: 98: 95: 91: 88: 84: 81: 77: 74: –  73: 69: 68:Find sources: 62: 58: 52: 51: 47: 42:This article 40: 36: 31: 30: 27: 19: 5556:Neuroscience 5522: 5509: 5496: 5483: 5242:Sociobiology 5100:Neuroscience 5080:Intelligence 4626:Anthropology 4579:Color vision 4564:Multitasking 4543:Flynn effect 4538:Intelligence 4520:Folk biology 4263:Evolutionary 4132: 4128: 4122: 4087: 4083: 4073: 4038: 4034: 4024: 3991: 3987: 3981: 3956: 3952: 3946: 3921: 3917: 3911: 3878: 3874: 3868: 3835: 3831: 3825: 3792: 3788: 3782: 3755: 3749: 3719:(1): 49–63. 3716: 3712: 3706: 3681: 3677: 3642: 3636: 3609: 3605: 3595: 3568: 3564: 3520: 3516: 3503: 3494: 3446: 3442: 3432: 3379: 3375: 3316:(1): 22–37. 3313: 3309: 3299: 3287:. 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Retrieved 2144:the original 2130: 2078:James Cantor 2067: 2040: 2009: 2000: 1980: 1970: 1968: 1963: 1959: 1930:Ivanka Savic 1927: 1923:testosterone 1904: 1900: 1891:heterosexual 1879: 1877: 1873: 1865: 1863: 1856: 1852: 1844: 1842: 1837: 1835: 1818: 1815:white matter 1808: 1792: 1787: 1783: 1773: 1766: 1758: 1752: 1744: 1742: 1737: 1733: 1731: 1718: 1716: 1697: 1677: 1668: 1657:Please help 1648: 1619:testosterone 1612: 1577: 1573: 1555: 1538:progesterone 1534:pregnenolone 1527: 1506:testosterone 1494: 1466: 1461: 1439: 1259:Nazi Germany 1211: 991: 832:Publications 788: 745: 571:Legal gender 559:legal status 513:Hair removal 379: 360: 353: 324: 292: 264:Third gender 251: 217: 210: 119: 110: 100: 93: 86: 79: 67: 43: 26: 5381:Determinism 5293:Coevolution 5237:Primatology 5075:Gender role 4980:Orientation 4860:Screen time 4717:Affectional 4699:Development 4378:Mate choice 4305:By-products 4273:Adaptations 4236:Cognitivism 3399:2445/183973 3254:: 251–266. 2522:(1): 56–9. 2452:(1): 93–6. 2337:monozygotic 2051:Kurt Freund 2023:. In those 1799:gray matter 1762:paraphilias 1712:androphilic 1700:trans women 1556:In 2013, a 1546:trans women 1544:but not in 1497:trans women 1481:androphilic 1469:trans women 1454:transsexual 1450:transgender 1223: [ 1203:Transphobia 1156:South Korea 1126:New Zealand 1050: [ 617:South Korea 557:Rights and 425:in children 402:Health care 389:Transsexual 370:Transgender 344:Trans woman 300:Mudoko dako 281:Femminiello 5540:Categories 5328:Population 5323:Lamarckism 5169:behavioral 5147:Behavioral 5095:Narcissism 5040:Aggression 4830:Hypophobia 4820:Depression 4707:Attachment 4689:Universals 4653:Psychology 4631:Biological 4619:Musicology 4609:Aesthetics 4508:Basophobia 4315:Exaptation 4293:Reciprocal 3382:: 116613. 3376:NeuroImage 3308:. Review. 3246:. Review. 3199:. 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Index

Causes of transsexuality

references
primary sources
talk page
secondary or tertiary sources
"Causes of gender incongruence"
news
newspapers
books
scholar
JSTOR
Learn how and when to remove this message
a series
Transgender topics
Outline
History
Timeline
Gender identities
Androgyne
Bissu, Calabai, Calalai
Burrnesha
Cisgender
Gender bender
Hijra
Non-binary or genderqueer
Gender fluidity
Kathoey
Koekchuch
Third gender

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