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Olfactory memory

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decide if a probe (a stimulus that could or could not be the same as the initial stimulus) is the same as the one he/she initially encountered. Memory accuracy is assessed by the amount of correct recognition decisions that are made. A potential problem with this measure involves the generation of verbal labels that may enhance memory for olfactory stimuli. There are various ways of measuring the effect of verbal labeling, which include comparison of odors and odor names, as well as the speed and accuracy with which lexical decisions are made regarding odor names. It has been suggested that odor recognition testing should be considered as a measure that involves both memory for perceptual information as well as potentially confounding memory due to the generation of verbal labels.
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often suck from a breast treated with an amount of their own amniotic fluid, rather than the alternative untreated breast. Newborns are initially attracted to their own amniotic fluid because that odor is familiar. Although exposure to amniotic fluid is eliminated after birth, breast fed babies have continued contact with cues from the mother's nipple and areola area. This causes breast odors to become more familiar and attractive, while amniotic fluid loses its positive value. Maternal breast odors are individually distinctive, and provide a basis for recognition of the mother by her offspring.
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respond automatically to a warning stimulus is much like pre-attentive processes in other sensory systems which involve the use of automatic forms of memory. These response patterns have evolved over time and involve a wide variety of motor and autonomic responses which are integrated into the behaviour pattern of reacting to a warning stimulus. odor-induced anxiety can be caused when an animal senses a predator. A study conducted on rats showed that when a rat was exposed to cat odors, there was increased anxiety-related behaviour in the rat. The cat odor induced an inhibition of the
570:. In animal research certain brain altering drugs such as anti-depressants produce deficits in olfactory memory. In testing the effects of anti-depressants on olfactory sensitivity in mice, the "mice were tested in a Y-maze with a choice between an odorant (butanol) or distilled water before and during 3 weeks of dailyintra-peritoneal injection of either citalopram or clomipramine. Their performance was compared with those of a control group injected with a saline solution" and the results were that significant olfactory deficits were found during the three-week period of testing. 426:
the olfactory cues associated with maternal breast odors. They are able to recognize and react favorably to scents emitted from their own mother's breasts, despite the fact that they also may be attracted to breast odors from unfamiliar nursing females in a different context. The unique scent of the mother (to the infant) is referred to as her olfactory signature. While breasts are a source of the unique olfactory cue of the mother, infants are also able to recognize and respond with familiarity and preference to their mother's underarm scent.
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molecules are very similar to G-protein-linked receptors and belong to the odorant receptor gene family. The specificity of odor recognition is the result of the molecular variety of odorant receptor proteins and their interaction with the odorant molecules. However, the specific mechanism of certain receptors binding with certain odorant molecules is not well understood. Odorant receptor genes also play a major role in odor identification. Expression in
182:. In olfaction there exists a strong tendency for habituation, which is discussed further in the following paragraph. By evaluating memory performance of tasks involving one of these 'subsets' of implicit memory, the effect of previous odor stimulus experience not involving conscious recollection can be measured. Further knowledge can be gained about implicit memory of odor through the study of the implications of cognitive deficits. The effects of 463:
environment. Neural structures such as the olfactory bulb undergo extensive changes when exposed to infantile odors; providing a starting point for individual recognition by the mother. odors from the breasts of lactating women serve as attractants for neonates, regardless of feeding history of the infant. Maternal olfactory learning occurs due to the high state of plasticity and flux within the olfactory system during pregnancy and childbirth.
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Fetal olfactory memory has been demonstrated in rats, for example. This is shown by rat pups, who avoid odors that they experienced in association with a noxious stimulus prior to birth. While animal studies play an important role in helping discover and learn olfaction memory of humans, it is important to pay attention to the specifics of each study, as they cannot always be generalized across all species.
582:(UPSIT) and the 12-item Brief Smell Identification Test, that was developed from the UPSIT, both test olfactory identification using a scratch and sniff booklet. The Sniffin' Sticks olfactory test consists of several pens that hold different scents and different dilutions, and this test provides scores for three olfactory domains: identification, threshold and discrimination. 393:, which helps to calm and adapt the infant to the novel environment outside of the womb. Sheep form olfactory recognition memory for their lambs within 2–4 hours of giving birth, which causes the mother to subsequently reject advances from unfamiliar lambs and scents. This bond is thought to be enhanced by olfactory cues that cause enhanced transmission across 89:, each olfactory receptor protein has one type of molecule that it responds to, known as the one-olfactory-one-neuron rule, and approximately one thousand kinds of which have been identified. Structure and complexity constitute an odorant's features, with changes resulting in altered odorant quality. An odorant's features are detected by the olfactory system's 1074: 439:
overwhelming). In newborn mammals, the nipple area of the mother is significant as the sole source of necessary nutrients. The maternal olfactory scent that is unique to the mother becomes associated with food intake, and newborns who do not gain access to the mother's breasts would die shortly after birth. As a result, it seems
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When newborn lambs were washed with soap (or even water) it greatly reduced the degree of licking behavior by the maternal ewe, and consequently prevented her from displaying acceptance behavior towards the newborn. The main olfactory system in sheep is quite significant in the developing appropriate maternal behaviors in sheep.
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the main olfactory system is affected when individual odor discrimination of the offspring is required; this system experiences significant change following exposure to offspring odors after giving birth. Changes in synaptic circuitry also contribute to the level of maternal responsiveness and memorization to these odors.
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to allow higher mammals such as primates to have a better chance for survival through more advanced methods of hunting and finding food. For example, the vulture has a large part of its brain committed to olfactory senses. This allows for it to be able to detect food at long ranges without being able
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Amniotic fluid is one of the primary olfactory cues that the ewe is exposed to after birth, allowing her to be attracted to any newborn lamb associated with that amniotic fluid. The amniotic fluid produces olfactory cues, and a response from the ewe that cause her to be attracted to the newborn lamb.
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of the olfactory bulb. After the birth of the offspring, there is a shift in the value of the infant's odors to the mother, which causes change in neural structures such as the olfactory bulb. These changes contribute to maternal responsiveness and memorization of these odors. Olfactory cues from the
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Throughout evolutionary history, olfaction has served various purposes related to the survival of the species, such as the development of communication. Even in humans and other animals today, these survival and communication aspects are still functioning. There is also evidence suggesting that there
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The development of a sense of smell is also thought to have arisen to function as an arousal system. Once an odor enters into conscious memory, it can signal the presence of a threat, like the smell of gas or smoke. However, odor memory can also be an implicit or unconscious process. This ability to
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Research studies provide evidence that the fetus becomes familiar with chemical cues in the intrauterine environment. Intrauterine olfactory learning may be demonstrated by behavioral evidence that newborn infants respond positively to the smell of their own amniotic fluid. Infants are responsive to
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has been confirmed for a limited subset of the huge number of odorant receptor genes. Genetic analysis shows that odorant receptor neurons express only one type of odorant receptor gene. It is hypothesized that different odors activate different receptors, and genetic regulation of odorant receptors
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women, infants are particularly responsive to their mother's unique scent. These olfactory cues are used in mammals during maternal care for coordination of mother-infant interaction. Familiarization with odors that will be encountered after birth may help the baby adapt to the otherwise unfamiliar
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receives extensive olfactory projections, which are activated immediately after birth in correspondence with primary olfactory processing regions. Although there is no functional specificity for the main or accessory olfactory systems in the development of maternal behaviors, it has been shown that
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research has suggested that this pathway is vital for the development of olfactory memories. The primary olfactory cortex and the hippocampus have extensive connections with the amygdala through both indirect and direct pathways. It is important for an animal to create memories of olfactory stimuli
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Olfactory cues are widespread within parental care to assist in the dynamic of the mother-infant relationship, and later development of the offspring. In support of fetal olfactory learning, newborn infants display behavioral attraction to the odor of amniotic fluid. For example, babies would more
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to odors. Through the assignment of associations to odors as well as non-odor stimuli, olfactory stimuli can gain meaning. Explicit memories of odors include information which can be used to process and compare other encountered odors. Attention focused on odors aids in the functioning of everyday
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located in the olfactory system adapt in response to odors. This includes the involvement of piriform cortical neurons which adapt rapidly, more completely and selectively to novel odors and are also thought to play a very important role in the habituation of odors. Norepinephrine is considered to
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and auditory systems, has decreased how reliant some animals are on the olfactory system, there is still evidence that shows these animals' olfactory systems still have a strong influence on their social interactions. The memory for specific odorants gives the animal an opportunity to communicate
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Olfactory memory has also been developed throughout evolution to help animals recognize other animals. It is suggested that smell allows for young infants to identify with their mothers or for humans to identify between males and females. Olfaction cues were also used, and are still used, by many
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evidence show that some species may have a functioning olfactory system in utero. Newborn infants respond positively to the smell of their own amniotic fluid, which may serve as evidence for intrauterine olfactory learning. Mammals' sense of smell becomes mature at an early stage of development.
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Although bilateral activation of the brain has been seen with unilateral stimulation (accomplished by placing a stimulus under one nostril only), the activation seen is not exactly equal in both hemispheres. Different parts of the brain are involved in olfactory memory, depending on what type of
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refers to the way that the identity, concentration, and pleasurable value of olfactory stimuli are represented in the pattern of action potentials relayed to the brain from the olfactory bulb. Identification begins with an odorant binding to specific odorant receptor proteins. Olfactory receptor
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Odor recognition is the most common and direct means used to measure odor memory. In an odor recognition test participants are asked whether or not they recognize an odor. More specifically, a participant is subjected to a certain olfactory-related stimulus, and after a delay period is asked to
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As demonstrated by animals in the wild (the great apes, for example), the offspring is held by the mother immediately after birth without cleaning and is continually exposed to the familiar odor of the amniotic fluid (making the transition from the intrauterine to extrauterine environment less
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shows activation during non-verbal retrieval of semantic odor-related information. Much overlap does occur between regions, however. Information of odors of a semantic nature is distributed across both sides of the brain, although the right hemisphere is more involved in the processing of odor
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likely facilitates the formation of olfactory memory in the mother, as well as the infant. A significant change takes place in the regulation of olfaction just after birth so that odors related with the offspring are no longer aversive, allowing the female to positively respond to her babies.
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and main olfactory system following birth are extremely important and influential for maternal behavior. Mammalian olfactory cues play an important role in the coordination of the mother infant bond, and the following normal development of the offspring. Maternal breast odors are individually
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Habituation involves decreased levels of attention and responsiveness to a stimulus that is no longer perceived as being novel. In the realm of olfactory memory, habituation refers to a decrease in responsiveness to an odor as a result of prolonged exposure (restricted to a certain repeated
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do not require conscious recollection of the initial encounter of the stimulus. In regards to olfactory memory, deliberate recollection of an odor experience is not necessary in order for implicit memories of odors to form in the brain. Techniques used to study implicit olfactory memory are
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Brewer, Warrick J.; Wood, Stephen J.; McGorry, Patrick D.; Francey, Shona M.; Phillips, Lisa J.; Yung, Alison R.; Anderson, Vicki; Copolov, David L.; Singh, Bruce (2003-10-01). "Impairment of Olfactory Identification Ability in Individuals at Ultra-High Risk for Psychosis Who Later Develop
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The main olfactory bulb is one of the neural structures that experiences profound change when exposed to offspring odors at the time of childbirth. Human neuroimaging studies suggest that activation of the medial prefrontal cortex (mPFC) occurs during tests of olfactory memory. The
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Explicit, unlike implicit memory for odors, is thought by some to be a phenomenon that is exclusive to humans. Explicit memory refers to memories that are remembered with conscious awareness of doing so. In olfaction, explicit memory refers to attributing
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is typically the form focused on in the studies of olfactory memory, though implicit forms of memory certainly supply distinct contributions to the understanding of odors and memories of them. Research has demonstrated that the changes to the
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system of mice demonstrate elimination of habitual learning when areas involving this system are lesioned, and subsequent restoration of habitual learning abilities when noradrenaline is injected into the olfactory bulb. The importance of
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considered to be applicable to both humans and animals. In tests of implicit memory, memory of a stimulus is shown to be aided by previous exposure to that same stimulus. Evidence of the formation of implicit memory is found in tests of
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Moberg, Paul J.; Pearlson, Godfrey D.; Speedie, Lynn J.; Lipsey, John R.; Strauss, Milton E.; Folstein, Susan E. (1987-12-01). "Olfactory Recognition: Differential Impairments in Early and Late Huntington's and Alzheimer's Diseases".
300:. The amygdala is involved in the formation of memories of emotional experiences, particularly those associated with fear, flight, and defense. It is connected by various pathways to other parts of the brain, but most notably to the 1111:
Lévy, F., Locatelli, A., Piketty, V., Tillet, Y., & Poindron, P. (1994). Involvement of the main but not the accessory olfactory system in maternal behavior of primiparous and multiparous ewes. Physiology and Behavior (57) 1:
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which threaten its survival. Without a properly functioning amygdala, olfactory memories would not be able to form which could put an animal at risk of dangerous stimuli in its environment due its lack of memory of such stimuli.
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component. The two most commonly used tests for explicit odor memory are odor identification and odor recognition, which are discussed in greater detail below. Together, odor recognition and identification are the components of
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Studies of the mammalian brain have discovered that the excess of cerebral neurons is a phenomenon of mainly animals which had to seek and capture food. These neurons have become a large part of the olfactory system throughout
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Broad, K.D., Hinton, M.R., Keverne, B., & Kendrick, K.M. (2002). Involvement of the medial prefrontal cortex in mediating behavioral responses to odor cues rather than olfactory recognition memory. Neuroscience (114) 5:
63:. These individuals lose the ability to distinguish smells as their disease worsens. There is also research showing that deficits in olfactory memory can act as a base in assessing certain types of mental disorders such as 388:
Mammalian olfactory cues play an important role in the coordination of the mother infant bond, and the following normal development of the offspring. The offspring of several different mammals are attracted to the odor of
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with members of the same species and allows for lack of communication between species that do not have the proper receptor systems for the odor. These chemical signals can also be sensed in the dark or even under water.
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Mesholam, Raquelle I.; Moberg, Paul J.; Mahr, Richard N.; Doty, Richard L. (1998-01-01). "Olfaction in Neurodegenerative Disease: A Meta-analysis of Olfactory Functioning in Alzheimer's and Parkinson's Diseases".
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De Rosa, Eve. (2000). Muscarinic Cholinergic Neuromodulation Reduces Proactive Interference Between Stored Odor Memories During Associative Learning in Rats. Beahvioural Neuroscience, 114(1), 29-40.
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memory is being processed (e.g. implicit memory-habituation or explicit memory-recognition) and this is evident in the results of explicit and implicit tasks of memory. Studies have shown that the
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Doy, Richard L.; Newhouse, Marisa G.; Azzalina, Jeffrey D. (1985-01-01). "Internal consistency and short-term test-retest reliability of the University of Pennsylvania Smell Identification Test".
124:. In the context of olfactory memory, neuromodulators regulate storage of information in a way that maintains the significance of the olfactory experience. These systems are highly dependent on 1884:
Mair, R. G.; Doty, R. L.; Kelly, K. M.; Wilson, C. S.; Langlais, P. J.; McEntee, W. J.; Vollmecke, T. A. (1986-01-01). "Multimodal sensory discrimination deficits in Korsakoff's psychosis".
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results in the diversity for olfactory receptor neurons and this allows the capacity of olfactory systems to detect and encode a wide range of complex and novel odors in the environment.
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in females within the species and influence sexual attraction between members within the species. Having an unconscious memory for such processes has allowed for species to survive.
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Cohen, Alex S.; Brown, Laura A.; Auster, Tracey L. (2012-03-01). "Olfaction, "olfiction," and the schizophrenia-spectrum: An updated meta-analysis on identification and acuity".
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baby lamb are important in establishing maternal behavior and bonding. After birth, the smell of amniotic fluid (which was previously disgusting) becomes attractive for ewes.
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as olfactory chemical signals allow for members of the same species to perceive when other members are ready for reproduction. It can also lead to the synchronization of
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Lamboin. S et al. 2007. Effects of anti-depressents on olfactory sensitivity in mice. Progress in Neuro-Psychopharmacology & Biological Psychiatry 32 (2008) 629–632.
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455:. The mother's olfactory signature is experienced with reinforcing stimuli such as food, warmth and tactile stimulation; enhancing further learning of that cue. 222:
life as well as the engagement of proper responses to experienced events. Evidence of explicit olfaction memory is seen through behaviors in tasks involving a
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Olfactory deficits have been found in patients with mental disorders and there is evidence suggesting that olfactory deficits can be a predictor of
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animals to mark territory, protecting themselves from other threats to their survival. While the development of other sensory systems, such as the
312:. There are also direct projections to the hippocampus from the amygdala, which are involved in the integration of various sensations into memory. 482:
to see it. Having memory for various types of food aids in survival by allowing the animals to remember which scent is edible and which is not.
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send projections to neurons in the main and accessory olfactory bulbs. This is significant in the formation of olfactory memory and learning.
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on odor memory can be investigated through the use of these implicit memory measures leading to further overall understanding of the brain.
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Nordin, Steven; Paulsen, Jane S.; Murphy, Claire (May 1995). "Sensory- and memory-mediated olfactory dysfunction in Huntington's disease".
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447:. Maternal breast odors signal the presence of a food source for the newborn. These breast odors bring forth positive responses in 2070:
Wilson, Robert S.; Arnold, Steven E.; Schneider, Julie A.; Boyle, Patricia A.; Buchman, Aron S.; Bennett, David A. (2009-07-01).
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Olfactory memory deficits can be significant indicators of brain damage and pathology. There is evidence to suggest that certain
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Varendi, H.; Christensson, K.; Porter, H.; Winberg, J. (1997). "Soothing effect of amniotic fluid smell in newborn infants".
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Attems, J.; Jellinger, K. A. (November 2006). "Olfactory tau pathology in Alzheimer disease and mild cognitive impairment".
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and disease. Research suggests that olfactory memory deficits can be good predictors of several mental disorders such as
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not only produce olfactory deficits but also predict them. Evidence has been found for a number of disorders, including
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Stockhorst, Ursula; Pietrowsky, Reinhard (2004). "Olfactory perception, communication, and the nose-to-brain pathway".
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result in a high state of plasticity of the olfactory system that may facilitate olfactory learning within the mother.
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involved in the habituation of olfactory stimulus, though the exact means through which it operates are not yet clear.
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Odor identification requires the specific labeling of presented olfactory stimuli, unlike odor recognition.
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and main olfactory system following birth are extremely important and influential for maternal behavior.
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Many tests have been developed to test olfactory memory in patients with mental disorders. The 40-item
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Lévy, F.; Keller, M.; Poindron, P. (2003). "Olfactory regulation of maternal behavior in mammals".
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is also an important part of olfaction, as different experiences may result in alterations of both
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modulates odor habituation and spontaneous discrimination. Behavioral neuroscience, 122(4), 816.
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and increase positive emotions, decrease negative mood states, disrupt cravings, and reduce
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stimulus), which involves adaptation of cells in the olfactory system. Receptor neurons and
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have an effect on the functioning of the mitral cells by increasing their responsiveness.
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are deficits in olfactory memory in individuals with brain degenerative diseases such as
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is a complex set of nuclei situated in the anterior temporal lobe and lies beneath the
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Magill, Frank Northern. 1998. Psychology Basics. Pasadena, CA: Salem Press. P 418-419.
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An odorant is a physiochemical molecule that binds to a specific receptor protein. In
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should favor the development of a means to help in maintain and establish effective
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is activated during verbal semantic retrieval of odor-related memories, while the
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Pinel, J.P. (2006). Biopsychology. 6th ed. Boston, MA, US: Pearson Education Inc.
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distinctive, and provide a basis for recognition of the mother by her offspring.
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Wilson, DA (2003). "The fundamental role of memory in olfactory perception".
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as each mental disorder has its own distinct pattern of olfactory deficits.
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throughout evolution because it triggers mating behaviour in many species.
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which contains magnocellular cells which provide extensive input into the
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of odor memory including persistence and high resistance to interference.
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systems has been demonstrated in studies of rats and the effects of
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Material was copied from this source, which is available under a
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Role of olfaction in maternal bonding and subsequent development
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While infants are generally attracted to the odors produced by
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indices of stress, including systemic markers of inflammation.
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Olfactory deficits and prediction of mental illness or disease
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which has been suggested to induce anxiety-related responses.
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in olfactory learning, in which norepinephrine neurons in the
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quality and previous encounter of the stimulus than the left.
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from as young as 1 hour or less through to several weeks
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evidence for the emotional potency of odor-evoked memory
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Journal of the International Neuropsychological Society
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Research with a variety of animals suggest the role of
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Creative Commons Attribution 4.0 International License
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Journal of Clinical and Experimental Neuropsychology
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University of Pennsylvania Smell Identification Test
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University of Pennsylvania Smell Identification Test
1740: 1738: 1093:, Eliassen, J., Beland, S. and Souza, T. (2004). 966: 964: 962: 960: 958: 845:Schab, FR (1991). "Odor memory: Taking stock". 8: 341:Studies demonstrate that the changes to the 1303: 1301: 1299: 1297: 1295: 1293: 1291: 1289: 1287: 1226: 1224: 1222: 1220: 1218: 1216: 1214: 120:and behavioural change in both mammals and 2076:Annals of the New York Academy of Sciences 1212: 1210: 1208: 1206: 1204: 1202: 1200: 1198: 1196: 1194: 766: 764: 762: 760: 2287: 2111: 2046: 1718: 1661: 1604: 1150: 1148: 1146: 1144: 1142: 1140: 1138: 1057: 1047: 1006: 893: 891: 889: 887: 885: 758: 756: 754: 752: 750: 748: 746: 744: 742: 740: 675: 657: 655: 653: 651: 1359: 1357: 1276: 1274: 1272: 1270: 1136: 1134: 1132: 1130: 1128: 1126: 1124: 1122: 1120: 1118: 1107: 1105: 1103: 822: 820: 818: 816: 814: 812: 810: 504:Olfaction is a very important aspect in 284:and subcortical circuitry in the brain. 2170: 2168: 2166: 1389: 1387: 1385: 1383: 1381: 1371: 1369: 840: 838: 836: 834: 832: 800: 798: 796: 794: 647: 337:Neurological and structural development 2328:Neuroscience and Biobehavioral Reviews 1233:Neuroscience and Biobehavioral Reviews 7: 989:Herz RS, Engen T (September 1996). 991:"Odor memory: Review and analysis" 231:in patients with a loss of smell. 25: 995:Psychonomic Bulletin & Review 204:is also regarded as an important 2233:10.1097/00005537-199603000-00021 2096:10.1111/j.1749-6632.2009.04013.x 1583:Moberg, Paul J.; Agrin, Rachel; 1072: 486:Communication and identification 2340:10.1016/j.neubiorev.2008.05.003 542:Olfactory deficits in the brain 1703:10.1523/JNEUROSCI.1909-09.2009 1534:American Journal of Psychiatry 574:Olfactory deficits and testing 140:memory. Studies involving the 33:refers to the recollection of 1: 1606:10.1016/S0893-133X(99)00019-6 1408:10.1016/j.physbeh.2004.07.018 1322:10.1016/s0378-3782(97)00082-0 1245:10.1016/s0149-7634(98)00044-x 686:10.1016/s0166-2236(03)00076-6 2031:10.1212/wnl.0000000000001132 1984:10.1016/0361-9230(87)90129-8 1941:10.1016/0028-3932(75)90026-3 1898:10.1016/0028-3932(86)90082-5 1546:10.1176/appi.ajp.160.10.1790 1494:10.1016/j.schres.2011.12.005 1169:10.1016/j.yhbeh.2004.02.005 859:10.1037/0033-2909.109.2.242 2396: 255:olfactory receptor neurons 97:which can be found in the 1847:10.1017/S1355617700000278 1804:10.1080/01688638708405208 1654:10.1016/j.nbd.2011.10.026 1642:Neurobiological Disorders 1451:10.1016/j.arr.2003.10.003 1396:Physiology & Behavior 327:autobiographical memories 325:Odors can evoke positive 1760:10.1001/archneur.55.1.84 1030:Herz, Rachel S. (2016). 372:medial prefrontal cortex 298:primary olfactory cortex 2198:10.1093/chemse/10.3.297 2137:Clinical Neuropathology 1972:Brain Research Bulletin 1691:Journal of Neuroscience 1593:Neuropsychopharmacology 1439:Ageing Research Reviews 1310:Early Human Development 1049:10.3390/brainsci6030022 664:Trends in Neurosciences 262:Hemispheric differences 116:and is responsible for 2289:10.1093/chemse/22.1.39 1636:Doty, Richard (2012). 1482:Schizophrenia Research 847:Psychological Bulletin 527:endocannabinoid system 180:classical conditioning 2319:Atanasova, B (2008). 1748:Archives of Neurology 1157:Hormones and Behavior 161:Implicit memories of 27:Recollection of odors 1097:, 42(3), pp.371–378. 564:Korsakoff's syndrome 288:Role of the amygdala 157:Implicit odor memory 132:, which affect both 2088:2009NYASA1170..730W 1697:(49): 15410–15413. 723:Guerin, D. (2008). 568:Alzheimer's disease 562:disease, alcoholic 556:Parkinson's disease 506:sexual reproduction 500:Sexual reproduction 321:Behavioural effects 244:Odor identification 219:associative meaning 176:perceptual learning 57:Alzheimer's disease 1008:10.3758/BF03210754 925:10.1002/lary.20101 637:Olfactory heritage 314:Neuropsychological 229:olfactory training 1540:(10): 1790–1794. 600:neurodegeneration 441:natural selection 384:Mammalian studies 278:Neural plasticity 118:neural plasticity 16:(Redirected from 2387: 2360: 2359: 2334:(7): 1315–1325. 2325: 2316: 2310: 2309: 2291: 2267: 2261: 2260: 2221:The Laryngoscope 2216: 2210: 2209: 2181: 2175: 2172: 2161: 2160: 2132: 2126: 2125: 2115: 2067: 2061: 2060: 2050: 2010: 2004: 2003: 1967: 1961: 1960: 1929:Neuropsychologia 1924: 1918: 1917: 1886:Neuropsychologia 1881: 1875: 1874: 1830: 1824: 1823: 1786: 1780: 1779: 1742: 1733: 1732: 1722: 1682: 1676: 1675: 1665: 1633: 1627: 1626: 1608: 1580: 1574: 1573: 1532:Schizophrenia". 1528: 1522: 1521: 1488:(1–3): 152–157. 1477: 1471: 1470: 1434: 1428: 1427: 1391: 1376: 1373: 1364: 1361: 1352: 1349: 1343: 1340: 1334: 1333: 1305: 1282: 1278: 1265: 1264: 1228: 1189: 1188: 1152: 1113: 1109: 1098: 1088: 1082: 1076: 1071: 1061: 1051: 1027: 1021: 1020: 1010: 986: 980: 977: 971: 968: 953: 952: 913:The Laryngoscope 904: 898: 895: 880: 877: 871: 870: 842: 827: 824: 805: 802: 789: 786: 780: 777: 771: 768: 735: 721: 715: 712: 706: 705: 679: 659: 632:Insect olfaction 617:Olfactory system 548:mental disorders 520:Warning stimulus 514:menstrual cycles 273:right hemisphere 235:Odor recognition 206:neurotransmitter 114:olfactory system 31:Olfactory memory 21: 18:Olfactory Memory 2395: 2394: 2390: 2389: 2388: 2386: 2385: 2384: 2365: 2364: 2363: 2323: 2318: 2317: 2313: 2276:Chemical Senses 2269: 2268: 2264: 2218: 2217: 2213: 2186:Chemical Senses 2183: 2182: 2178: 2173: 2164: 2134: 2133: 2129: 2069: 2068: 2064: 2012: 2011: 2007: 1969: 1968: 1964: 1926: 1925: 1921: 1883: 1882: 1878: 1832: 1831: 1827: 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2143:(6): 265–271. 2127: 2082:(1): 730–735. 2062: 2025:(2): 182–189. 2005: 1978:(5): 597–600. 1962: 1935:(2): 173–179. 1919: 1892:(6): 831–839. 1876: 1841:(3): 281–290. 1825: 1798:(6): 650–664. 1781: 1734: 1677: 1648:(3): 527–552. 1628: 1599:(3): 325–340. 1585:Gur, Raquel E. 1575: 1523: 1472: 1445:(2): 215–232. 1429: 1377: 1365: 1353: 1344: 1335: 1283: 1266: 1239:(3): 439–449. 1190: 1163:(3): 284–302. 1114: 1099: 1083: 1036:Brain Sciences 1022: 1001:(3): 300–313. 981: 972: 954: 919:(3): 496–499. 899: 881: 872: 853:(2): 242–251. 828: 806: 790: 781: 772: 736: 732:olfactory bulb 725:Norepinephrine 716: 707: 646: 644: 641: 640: 639: 634: 629: 624: 619: 614: 607: 604: 592:mental illness 587: 584: 575: 572: 543: 540: 538: 535: 521: 518: 501: 498: 487: 484: 473: 470: 468: 465: 445:breast feeding 435: 432: 422: 419: 391:amniotic fluid 385: 382: 380: 379:Olfactory cues 377: 360:norepinephrine 343:olfactory bulb 338: 335: 322: 319: 289: 286: 263: 260: 245: 242: 236: 233: 224:working memory 213: 210: 191: 188: 158: 155: 126:norepinephrine 112:exists in the 106: 103: 99:olfactory bulb 82: 79: 77: 74: 72: 69: 48:olfactory bulb 26: 24: 14: 13: 10: 9: 6: 4: 3: 2: 2392: 2381: 2378: 2376: 2373: 2372: 2370: 2357: 2353: 2349: 2345: 2341: 2337: 2333: 2329: 2322: 2315: 2312: 2307: 2303: 2299: 2295: 2290: 2285: 2281: 2277: 2273: 2266: 2263: 2258: 2254: 2250: 2246: 2242: 2238: 2234: 2230: 2226: 2222: 2215: 2212: 2207: 2203: 2199: 2195: 2191: 2187: 2180: 2177: 2171: 2169: 2167: 2163: 2158: 2154: 2150: 2146: 2142: 2138: 2131: 2128: 2123: 2119: 2114: 2109: 2105: 2101: 2097: 2093: 2089: 2085: 2081: 2077: 2073: 2066: 2063: 2058: 2054: 2049: 2044: 2040: 2036: 2032: 2028: 2024: 2020: 2016: 2009: 2006: 2001: 1997: 1993: 1989: 1985: 1981: 1977: 1973: 1966: 1963: 1958: 1954: 1950: 1946: 1942: 1938: 1934: 1930: 1923: 1920: 1915: 1911: 1907: 1903: 1899: 1895: 1891: 1887: 1880: 1877: 1872: 1868: 1864: 1860: 1856: 1852: 1848: 1844: 1840: 1836: 1829: 1826: 1821: 1817: 1813: 1809: 1805: 1801: 1797: 1793: 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471: 466: 464: 461: 456: 454: 450: 446: 442: 433: 431: 427: 421:Human studies 420: 418: 415: 411: 407: 406:Physiological 403: 399: 396: 392: 383: 378: 376: 373: 367: 365: 361: 356: 352: 348: 344: 336: 334: 332: 331:physiological 328: 320: 318: 315: 311: 307: 303: 299: 295: 287: 285: 283: 279: 274: 270: 261: 259: 256: 251: 250:Neural coding 243: 241: 234: 232: 230: 225: 220: 211: 209: 207: 203: 202:Acetylcholine 198: 189: 187: 185: 181: 177: 173: 172:sensitization 169: 164: 156: 154: 152: 148: 143: 142:noradrenergic 139: 135: 131: 130:acetylcholine 127: 123: 119: 115: 111: 104: 102: 100: 96: 92: 88: 80: 75: 70: 68: 66: 62: 58: 52: 49: 44: 40: 36: 32: 19: 2331: 2327: 2314: 2282:(1): 39–52. 2279: 2275: 2265: 2224: 2220: 2214: 2189: 2185: 2179: 2140: 2136: 2130: 2079: 2075: 2065: 2022: 2018: 2008: 1975: 1971: 1965: 1932: 1928: 1922: 1889: 1885: 1879: 1838: 1834: 1828: 1795: 1791: 1784: 1754:(1): 84–90. 1751: 1747: 1694: 1690: 1680: 1645: 1641: 1631: 1596: 1592: 1578: 1537: 1533: 1526: 1485: 1481: 1475: 1442: 1438: 1432: 1399: 1395: 1347: 1338: 1316:(1): 47–55. 1313: 1309: 1236: 1232: 1160: 1156: 1086: 1039: 1035: 1025: 998: 994: 984: 975: 916: 912: 902: 875: 850: 846: 784: 775: 719: 710: 670:(5): 243–7. 667: 663: 589: 577: 560:Huntington's 545: 523: 503: 489: 475: 457: 437: 428: 424: 404: 400: 387: 368: 355:Neurogenesis 340: 324: 291: 265: 247: 238: 215: 197:mitral cells 193: 184:brain injury 160: 108: 95:mitral cells 84: 53: 30: 29: 1402:(1): 3–11. 310:hippocampus 190:Habituation 168:habituation 151:scopolamine 147:cholinergic 2369:Categories 1091:Herz, R.S. 643:References 596:depression 510:Pheromones 453:postpartum 414:anatomical 410:behavioral 351:childbirth 76:Physiology 65:depression 2375:Olfaction 2356:207088028 2298:0379-864X 2241:1531-4995 2206:0379-864X 2149:0722-5091 2104:1749-6632 2039:0028-3878 2019:Neurology 1855:1469-7661 1812:0168-8634 1768:0003-9942 1711:0270-6474 1615:0893-133X 1554:0002-953X 1502:0920-9964 1042:(3): 22. 933:1531-4995 672:CiteSeerX 612:Olfaction 479:evolution 467:Evolution 460:lactating 347:Pregnancy 306:neocortex 91:glomeruli 71:Mechanism 2348:18555528 2257:24605655 2157:17140156 2122:19686220 2057:25471394 1957:31712440 1914:17814461 1871:32948555 1729:20007465 1672:22192366 1623:10457530 1570:26789096 1562:14514492 1518:17159465 1510:22244185 1467:23252066 1459:15177056 1424:54433584 1416:15501485 1281:715-729. 1261:34940555 1185:31209629 1177:15325229 1068:27447673 1017:24213931 941:19235739 702:10433103 694:12744840 606:See also 537:Deficits 531:amygdala 449:neonates 395:synapses 294:amygdala 282:cortical 138:explicit 134:implicit 61:dementia 39:memories 2306:9056084 2249:8614203 2113:2857767 2084:Bibcode 2048:4336090 2000:4766725 1992:3607528 1949:1153100 1906:2433640 1863:9375222 1820:2961789 1776:9443714 1720:6666111 1663:3429117 1330:9570031 1253:9989430 1112:97-104. 1059:5039451 949:5239574 867:2034752 730:in the 529:in the 163:stimuli 122:insects 87:mammals 81:Odorant 2380:Memory 2354:  2346:  2304:  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Index

Olfactory Memory
odors
memories
Explicit memory
olfactory bulb
Alzheimer's disease
dementia
depression
mammals
glomeruli
mitral cells
olfactory bulb
Neuromodulation
olfactory system
neural plasticity
insects
norepinephrine
acetylcholine
implicit
explicit
noradrenergic
cholinergic
scopolamine
stimuli
habituation
sensitization
perceptual learning
classical conditioning
brain injury
mitral cells

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