Knowledge

Visual release hallucinations

Source 📝

189:(LGN), later transmitting down the color regions of the ventral visual pathway. Due to cone photoreceptor damage located in the macula, there is a significant reduction of visual input to the visual association cortex, stirring endogenous activation in the color areas and thus leading to colored hallucinations. Patients with CBS alongside macular degeneration exhibit hyperactivity in the color areas of the visual association cortex (as shown in fMRIs). Those who have significant ocular disease yet maintain visual acuity may still be susceptible to CBS. 196:(DBM) is a way of utilizing an undirected probabilistic process in a neural framework. Researchers argue that the DBM has the ability to model features of cortical learning, perception, and the visual cortex (the locus of visual hallucinations). Compelling evidence details the role homeostatic operations in the cortex play in regards to stabilizing neuronal activity. By using the DBM, researchers show that when sensory input is absent, neuron excitability is influenced, thus potentially triggering complex hallucinations. 156:, and the hallucinations are only visual, that is, they do not occur in any other senses (such as hearing, smell or taste). Visual hallucinations generally appear when the eyes are open, fading once the visual gaze shifts. It is widely claimed that sensory deprivation is instrumental in the progression of CBS. During episodes of inactivity, hallucinations are more likely to occur. The majority of those with CBS describe the duration of hallucinations to continue for up to a few minutes, multiple times a day or week. 249: 200: 236:. As a result of this, it is estimated that almost 60% of CBS patients hesitate to notify their physicians. By focusing on the specific type of visual hallucination, one may find an accurate diagnosis. If a patient presents symptoms indicative of Charles Bonnet syndrome, basic laboratory examinations like metabolic panel and blood count tests, as well as neuroimaging, may aid in an accurate diagnosis. 169: 160:
Australian study found the prevalence to be 17.5%. Two Asian studies, however, report a much lower prevalence. The high incidence of underreporting this disorder is the greatest hindrance to determining the exact prevalence. Underreporting is thought to be a result of those with the condition being afraid to discuss the symptoms out of fear that they will be labeled of unsound mind.
177:
usually match to the location of visual loss. The most commonly accepted theory for Charles Bonnet syndrome proposes that extreme visual impairment promotes sensory deafferentation, leading to disinhibition, thus resulting in sudden neural firings of the visual cortical regions. A few studies record that visual hallucinations are likely to be concentrated in the blind regions.
326:
buildings, tapestries, physically impossible circumstances and scaffolding patterns. Even though his health was in good shape and he had an absence of any psychiatric disorders, the source of the hallucinations remained unknown. At forty years old, Charles Bonnet himself developed an unrevealed cause of severe vision loss and experienced the hallucinations.
352:
in Bonnet's honor. De Morsier's description of CBS implies a concentrated neurodegeneration, usually occurring in the elderly with typical cognition. In psychiatric literature, the most commonly accepted interpretation of CBS is that of Gold and Rabins'. In 1989, they detailed that the hallucinations
159:
Even though people of all ages may be affected by Charles Bonnet syndrome, those within the age range of 70 to 80 are primarily affected. Among older adults (> 65 years) with significant vision loss, the prevalence of Charles Bonnet syndrome has been reported to be between 10% and 40%; a 2008
287:
A large proportion of those with CBS develop the visual hallucinations as vision begins to deteriorate and stop hallucinating once vision is entirely gone. Complex hallucinations may progress over time if the primary loss of vision is due to damage of the early cortical areas. If activation of the
325:
in both eyes. After Bonnet's grandfather received bilateral cataract surgery, his vision evolved from slightly better to complete deterioration over time. It was around this period that his visual hallucinations started. His hallucinations consisted of perceptions of men, women, birds, carriages,
291:
It is possible for a stressful life event to alter the disposition of hallucinatory experiences as well as the emotional experiences (from unconcerning to concerning) in CBS. As expressed in some patients, an interplay between CBS and an acute or post-traumatic stress disorder may exist. The role
283:
There is no treatment of proven effectiveness for CBS. For those experiencing CBS, knowing that they have this syndrome and not a mental illness seems to be the most comforting treatment so far, as it improves their ability to cope with the hallucinations. As time passes from the initial onset of
207:
A short-term change in the levels of feedforward and feedback flows of information may intensely affect the presence of hallucinations. In periods of drowsiness, CBS related hallucinations are more prone to arise. Disrupting cortical homeostatic processes after vision has been lost may prevent or
176:
There is no general consensus on the definition of CBS. Predominant factors correlated with CBS are a decrease of visual acuity, visual field loss, and elderly age. While characteristic features of visual hallucinations are not specifically linked to the anatomical site of the ocular injury, they
284:
visual hallucinations, studies show that around 60% of those living with CBS feel that visual hallucinations have no effect on their lives, 33% of people feel that the hallucinations are disruptive to their lives, and 7% of people even find pleasure in the hallucinations.
223:
A variety of disciplines including optometry, ophthalmology, geriatric medicine, psychiatry, and neurology play a part in securing the diagnosis of CBS. Since CBS is not commonly recognized by all clinicians, it oftentimes goes misdiagnosed and identified as
212:(ACh) may impact the balance of thalamic and intracortical inputs as well as the balance in between bottom-up and top-down. Particularly in CBS, a shortage of acetylcholine at cortical locations should correspond to the onset of hallucinations. 301: 148:" (hallucinations in which the characters or objects are smaller than normal). Depending on the content, visual hallucinations can be classified as either simple or complex. Simple visual hallucinations are commonly characterized by shapes, 638:
de Morsier, G (1967). "Le syndrome de Charles Bonnet: hallucinations visuelles des vieillards sans deficience mentale" [Charles Bonnet syndrome: visual hallucinations of the elderly without mental impairment].
288:
early cortical areas is suppressed when CBS symptoms have already been exhibited, hallucinations may temporarily terminate. Also, interrupting vision for a short time by closing the eyes or blinking may be helpful.
741:
Vojniković, Bozo; Radeljak, Sanja; Dessardo, Sandro; Zarković-Palijan, Tija; Bajek, Goran; Linsak, Zeljko (2010). "What associates Charles Bonnet syndrome with age-related macular degeneration?".
152:, and grid-like patterns. Complex visual hallucinations consist of highly detailed representations of people and objects. The most common hallucination is of faces or cartoons. Those affected 663:
Vukicevic, Meri; Fitzmaurice, Kerry (2008). "Butterflies and black lacy patterns: The prevalence and characteristics of Charles Bonnet hallucinations in an Australian population".
353:
associated with CBS are not affecting other sensory modalities. They believed that the visual hallucinations are oftentimes stereotyped, persistent, and/or repetitive in nature.
1291: 1013: 1418: 1281: 887: 181:(fMRI) of Charles Bonnet syndrome patients displays a relationship between visual hallucinations and activity in the ventral occipital lobe. A connection between 1157: 398: 144:
may have vivid recurrent visual hallucinations (fictive visual percepts). One characteristic of these hallucinations is that they usually are "
1423: 969: 178: 706:
Berrios, German E.; Brook, Peter (1982). "The Charles Bonnet Syndrome and the Problem of Visual Perceptual Disorders in the Elderly".
185:(AMD) and colored visual hallucinations has been presented. Color vision signals travel through the parvocellular layers of the 1158:"Frightening visual hallucinations: atypical presentation of Charles Bonnet syndrome triggered by the Black Saturday bushfires" 484:
episode "One Night Only" (2022, Season 10, Episode 2) depicts Dr. Ellingham diagnosing a patient with Charles Bonnet syndrome.
431:(2014), a chamber opera by the Greek composer Spyros Syrmos, is about a celebrated painter whose visions are caused by CBS. 1220: 1278: 1273: 1268: 883: 145: 521: 1124:
Olbrich, H. M.; Lodemann, E; Engelmeier, M. P. (1987). "Optical hallucinations in the aged with diseases of the eye".
1085:"Visual Loss and Visual Hallucinations in Patients with Age-Related Macular Degeneration (Charles Bonnet Syndrome)" 186: 463: 381: 365: 321:, who described the condition in 1760. He documented it in his 90-year-old grandfather who was nearly blind from 1362: 129: 1413: 960:. In Arditi, Aries; Horowitz, Amy; Lang, Mary Ann; Rosenthal, Bruce; Seidman, Karen; Stuen, Cynthia (eds.). 378:, who was blinded in one eye as a child, may have derived his extraordinary imagination from the syndrome. 334: 1249: 409: 370: 503: 494: 386: 182: 153: 1014:"Hallucinations in Charles Bonnet Syndrome Induced by Homeostasis: a Deep Boltzmann Machine Model" 215:
The syndrome can also develop after bilateral optic nerve damage due to methyl alcohol poisoning.
1185: 958:"Charles Bonnet Syndrome In Adults with Visual Impairments from Age-Related Macular Degeneration" 933: 688: 417: 345: 1333: 1241: 1177: 1133: 1106: 1065: 965: 957: 925: 856: 838: 758: 750: 723: 680: 617: 599: 440: 193: 73: 49: 1323: 1315: 1245: 1169: 1096: 1055: 1047: 917: 846: 830: 715: 672: 607: 591: 128:
in 1982. A related type of hallucination that also occurs with lack of visual input is the
105:, are a type of psychophysical visual disturbance in which a person with partial or severe 1285: 509: 434: 315: 1328: 1303: 1173: 1060: 1035: 908:
Schultz, G; Melzack, R (1991). "The Charles Bonnet syndrome: 'phantom visual images'".
851: 818: 612: 579: 474: 393: 330: 318: 304: 292:
that trauma plays in CBS may affect how and when a hallucinatory episode is triggered.
117: 17: 1391: 956:
Mogk, Lylas G.; Riddering, Anne; Dahl, David; Bruce, Cathy; Brafford, Shannon (2000).
248: 199: 1407: 692: 676: 375: 209: 110: 58: 1367: 1189: 937: 208:
setback the emergence of hallucinations. At varying stages of the cortical grading,
879: 404: 312: 1274:
National Public Radio article with an audio segment about Charles Bonnet syndrome
834: 595: 1083:
Abbott, Emily J.; Connor, Gillian B.; Artes, Paul H.; Abadi, Richard V. (2007).
168: 141: 1216: 1386: 515: 481: 125: 54: 1034:
Tan, C S H; Lim, V. S.; Ho, D. Y.; Yeo, E; Ng, B. Y.; Au Eong, K. G. (2004).
842: 754: 719: 603: 1051: 422: 225: 149: 106: 78: 66: 62: 1337: 1181: 1110: 1069: 1036:"Charles Bonnet syndrome in Asian patients in a tertiary ophthalmic centre" 860: 762: 684: 621: 300: 1319: 1137: 929: 819:"Hallucinations Experienced by Visually Impaired: Charles Bonnet Syndrome" 727: 524: – Rare symptom of brain damage where those affected deny being blind 1101: 1084: 338: 322: 233: 229: 86: 82: 1296: 469: 1354: 951: 949: 947: 921: 458: 198: 167: 1304:"The neural basis of Charles Bonnet hallucinations: a hypothesis" 243: 506: – Auditory hallucination associated with hearing loss 1279:
Oliver Sacks: What hallucination reveals about our minds
658: 656: 654: 526:
Pages displaying short descriptions of redirect targets
259: 172:
Anatomical illustration of neuroanatomy of human vision
1297:'Damn Interesting' article on Charles Bonnet syndrome 1344: 1012:
Reichert, David P.; Series, Peggy; Storkey, Amos J.
499:
Pages displaying wikidata descriptions as a fallback
1377: 1348: 1308:
Journal of Neurology, Neurosurgery & Psychiatry
72: 48: 40: 35: 337:, concluded that visual hallucinations consist of 518: – State of consciousness leading into sleep 1292:Fortean Times article on Charles Bonnet syndrome 1269:Information on Charles Bonnet syndrome from RNIB 1089:Investigative Ophthalmology & Visual Science 580:"Visual Hallucinations: Charles Bonnet Syndrome" 633: 631: 462:, 2017 documentary about notable card mechanic 154:understand that the hallucinations are not real 8: 884:"What hallucination reveals about our minds" 307:, the first person to describe the syndrome. 27:Experience of hallucinations by blind people 124:was first introduced into English-speaking 1345: 1204:Essai Analytique sur les facultés de l'âme 578:Jan, Tiffany; del Castillo, Jorge (2012). 32: 1327: 1100: 1059: 850: 665:Clinical & Experimental Ophthalmology 611: 399:Incognito: The Secret Lives of the Brain 299: 537: 497: – condition of pain in a lost eye 1419:Symptoms and signs of mental disorders 1007: 1005: 1003: 1001: 1151: 1149: 1147: 999: 997: 995: 993: 991: 989: 987: 985: 983: 981: 874: 872: 870: 812: 810: 808: 806: 804: 802: 800: 798: 796: 794: 792: 584:Western Journal of Emergency Medicine 573: 571: 569: 567: 565: 563: 561: 437:'s short story "Torching the Dusties" 341:lesions as well as ocular pathology. 179:Functional magnetic resonance imaging 7: 1217:"Bonnet's syndrome (Charles Bonnet)" 1206:. Copenhagen: Philibert, pp. 426–428 790: 788: 786: 784: 782: 780: 778: 776: 774: 772: 559: 557: 555: 553: 551: 549: 547: 545: 543: 541: 344:In 1967, French-Swiss neurologist, 311:The disease was first noted by the 1174:10.5694/j.1326-5377.2010.tb03843.x 25: 1162:The Medical Journal of Australia 1040:British Journal of Ophthalmology 677:10.1111/j.1442-9071.2008.01814.x 512: – Psychological phenomenon 247: 183:age-related macular degeneration 1254:. HarperCollins. pp. 85–7. 1223:from the original on 2014-02-23 890:from the original on 2013-07-08 1156:Vukicevic, Meri (2010-08-02). 450:Gareth Brookes' graphic novel 361:The syndrome is discussed in: 1: 1392:Visual release hallucinations 964:. CRC Press. pp. 117–9. 421:, released in 2012, in which 374:. Ramachandran suggests that 95:Visual release hallucinations 44:Charles Bonnet syndrome (CBS) 36:Visual release hallucinations 1424:Psychopathological syndromes 1126:Zeitschrift für Gerontologie 835:10.1097/OPX.0000000000000959 823:Optometry and Vision Science 596:10.5811/westjem.2012.7.12891 452:A Thousand Coloured Castles 425:is a victim of the syndrome 1440: 1023:. University of Edinburgh. 187:lateral geniculate nucleus 366:Vilayanur S. Ramachandran 743:Collegium Antropologicum 140:People with significant 130:closed-eye hallucination 1052:10.1136/bjo.2004.041947 522:Anton–Babinski syndrome 350:Charles Bonnet syndrome 122:Charles Bonnet syndrome 99:Charles Bonnet syndrome 18:Charles Bonnet syndrome 1202:Bonnet Charles (1760) 720:10.1093/ageing/11.1.17 335:Julian de Ajuriaguerra 308: 256:This section is empty. 204: 173: 1320:10.1136/jnnp.73.5.535 1251:Phantoms in the Brain 962:Vision Rehabilitation 371:Phantoms in the Brain 303: 203:Acetylcholine pathway 202: 171: 1102:10.1167/iovs.06-0942 817:Pang, Linda (2016). 504:Musical ear syndrome 495:Phantom eye syndrome 1288:Ted Talk, Feb 2009. 357:Society and culture 116:First described by 109:experiences visual 1378:External resources 1284:2013-07-08 at the 749:(Suppl 2): 45–48. 641:Ann. Méd.-Psychol. 418:Jawan of Vellimala 348:, coined the term 346:Georges de Morsier 309: 205: 174: 136:Signs and symptoms 120:in 1760, the term 1401: 1400: 1242:V.S. Ramachandran 971:978-90-265-1631-3 829:(12): 1466–1478. 441:Deborah Lawrenson 415:The Indian movie 276: 275: 194:Boltzmann Machine 92: 91: 74:Diagnostic method 30:Medical condition 16:(Redirected from 1431: 1346: 1341: 1331: 1302:W Burke (2002). 1256: 1255: 1246:Sandra Blakeslee 1238: 1232: 1231: 1229: 1228: 1213: 1207: 1200: 1194: 1193: 1153: 1142: 1141: 1121: 1115: 1114: 1104: 1080: 1074: 1073: 1063: 1031: 1025: 1024: 1021:NIPS Proceedings 1018: 1009: 976: 975: 953: 942: 941: 905: 899: 898: 896: 895: 876: 865: 864: 854: 814: 767: 766: 738: 732: 731: 703: 697: 696: 660: 649: 648: 635: 626: 625: 615: 575: 527: 500: 429:The Black Canvas 271: 268: 258:You can help by 251: 244: 97:, also known as 33: 21: 1439: 1438: 1434: 1433: 1432: 1430: 1429: 1428: 1404: 1403: 1402: 1397: 1396: 1373: 1372: 1357: 1301: 1286:Wayback Machine 1265: 1260: 1259: 1240: 1239: 1235: 1226: 1224: 1215: 1214: 1210: 1201: 1197: 1155: 1154: 1145: 1123: 1122: 1118: 1082: 1081: 1077: 1033: 1032: 1028: 1016: 1011: 1010: 979: 972: 955: 954: 945: 922:10.1068/p200809 907: 906: 902: 893: 891: 878: 877: 868: 816: 815: 770: 740: 739: 735: 705: 704: 700: 662: 661: 652: 637: 636: 629: 577: 576: 539: 534: 525: 510:Ganzfeld effect 498: 491: 435:Margaret Atwood 359: 298: 281: 272: 266: 263: 242: 221: 166: 164:Pathophysiology 138: 31: 28: 23: 22: 15: 12: 11: 5: 1437: 1435: 1427: 1426: 1421: 1416: 1414:Hallucinations 1406: 1405: 1399: 1398: 1395: 1394: 1382: 1381: 1379: 1375: 1374: 1371: 1370: 1358: 1353: 1352: 1350: 1349:Classification 1343: 1342: 1314:(5): 535–541. 1299: 1294: 1289: 1276: 1271: 1264: 1263:External links 1261: 1258: 1257: 1233: 1219:. Whonamedit. 1208: 1195: 1168:(3): 181–182. 1143: 1132:(4): 227–229. 1116: 1095:(3): 1416–23. 1075: 1046:(10): 1325–9. 1026: 977: 970: 943: 900: 866: 768: 733: 708:Age and Ageing 698: 671:(7): 659–665. 650: 627: 590:(6): 544–547. 536: 535: 533: 530: 529: 528: 519: 513: 507: 501: 490: 487: 486: 485: 478: 475:Velvet Buzzsaw 466: 464:Richard Turner 455: 448: 438: 432: 426: 413: 410:Hallucinations 402: 394:David Eagleman 391: 382:Vikram Chandra 379: 358: 355: 331:Jean Lhermitte 319:Charles Bonnet 305:Charles Bonnet 297: 294: 280: 277: 274: 273: 267:September 2024 254: 252: 241: 238: 220: 217: 165: 162: 137: 134: 118:Charles Bonnet 111:hallucinations 90: 89: 76: 70: 69: 52: 46: 45: 42: 38: 37: 29: 26: 24: 14: 13: 10: 9: 6: 4: 3: 2: 1436: 1425: 1422: 1420: 1417: 1415: 1412: 1411: 1409: 1393: 1389: 1388: 1384: 1383: 1380: 1376: 1369: 1365: 1364: 1360: 1359: 1356: 1351: 1347: 1339: 1335: 1330: 1325: 1321: 1317: 1313: 1309: 1305: 1300: 1298: 1295: 1293: 1290: 1287: 1283: 1280: 1277: 1275: 1272: 1270: 1267: 1266: 1262: 1253: 1252: 1247: 1243: 1237: 1234: 1222: 1218: 1212: 1209: 1205: 1199: 1196: 1191: 1187: 1183: 1179: 1175: 1171: 1167: 1163: 1159: 1152: 1150: 1148: 1144: 1139: 1135: 1131: 1127: 1120: 1117: 1112: 1108: 1103: 1098: 1094: 1090: 1086: 1079: 1076: 1071: 1067: 1062: 1057: 1053: 1049: 1045: 1041: 1037: 1030: 1027: 1022: 1015: 1008: 1006: 1004: 1002: 1000: 998: 996: 994: 992: 990: 988: 986: 984: 982: 978: 973: 967: 963: 959: 952: 950: 948: 944: 939: 935: 931: 927: 923: 919: 916:(6): 809–25. 915: 911: 904: 901: 889: 885: 881: 880:Sacks, Oliver 875: 873: 871: 867: 862: 858: 853: 848: 844: 840: 836: 832: 828: 824: 820: 813: 811: 809: 807: 805: 803: 801: 799: 797: 795: 793: 791: 789: 787: 785: 783: 781: 779: 777: 775: 773: 769: 764: 760: 756: 752: 748: 744: 737: 734: 729: 725: 721: 717: 713: 709: 702: 699: 694: 690: 686: 682: 678: 674: 670: 666: 659: 657: 655: 651: 646: 643:(in French). 642: 634: 632: 628: 623: 619: 614: 609: 605: 601: 597: 593: 589: 585: 581: 574: 572: 570: 568: 566: 564: 562: 560: 558: 556: 554: 552: 550: 548: 546: 544: 542: 538: 531: 523: 520: 517: 514: 511: 508: 505: 502: 496: 493: 492: 488: 483: 479: 477: 476: 471: 467: 465: 461: 460: 456: 453: 449: 446: 442: 439: 436: 433: 430: 427: 424: 420: 419: 414: 412: 411: 406: 403: 401: 400: 395: 392: 389: 388: 383: 380: 377: 376:James Thurber 373: 372: 367: 364: 363: 362: 356: 354: 351: 347: 342: 340: 336: 332: 327: 324: 320: 317: 314: 306: 302: 295: 293: 289: 285: 278: 270: 261: 257: 253: 250: 246: 245: 239: 237: 235: 231: 227: 218: 216: 213: 211: 210:acetylcholine 201: 197: 195: 190: 188: 184: 180: 170: 163: 161: 157: 155: 151: 147: 143: 135: 133: 131: 127: 123: 119: 114: 112: 108: 104: 100: 96: 88: 84: 80: 77: 75: 71: 68: 64: 60: 59:ophthalmology 56: 53: 51: 47: 43: 39: 34: 19: 1385: 1361: 1311: 1307: 1250: 1236: 1225:. Retrieved 1211: 1203: 1198: 1165: 1161: 1129: 1125: 1119: 1092: 1088: 1078: 1043: 1039: 1029: 1020: 961: 913: 909: 903: 892:. Retrieved 826: 822: 746: 742: 736: 714:(1): 17–23. 711: 707: 701: 668: 664: 644: 640: 587: 583: 473: 457: 451: 444: 428: 416: 408: 407:' 2012 book 405:Oliver Sacks 397: 387:Sacred Games 385: 369: 360: 349: 343: 328: 310: 290: 286: 282: 264: 260:adding to it 255: 222: 214: 206: 191: 175: 158: 139: 121: 115: 102: 98: 94: 93: 886:. Ted.com. 445:The Lantern 146:lilliputian 142:vision loss 41:Other names 1408:Categories 1387:Patient UK 1368:D000075562 1227:2013-07-03 910:Perception 894:2013-07-03 647:: 677–701. 532:References 516:Hypnagogia 482:Doc Martin 316:naturalist 150:photopsias 126:psychiatry 55:Psychiatry 843:1538-9235 755:0350-6134 693:205492511 604:1936-900X 468:The 2019 443:'s novel 423:Mammootty 329:In 1936, 323:cataracts 279:Prognosis 240:Treatment 226:psychosis 219:Diagnosis 192:The Deep 107:blindness 79:Psychosis 67:neurology 63:optometry 50:Specialty 1338:12397147 1282:Archived 1248:(1988). 1221:Archived 1190:35769299 1182:20678049 1111:17325191 1070:15377560 938:22318715 888:Archived 861:27529611 763:21305724 685:18983551 622:23357937 489:See also 396:'s book 384:'s book 368:'s book 339:thalamic 234:dementia 230:delirium 87:dementia 83:delirium 1329:1738134 1138:3660920 1061:1772345 930:1816537 852:5131689 728:7041567 613:3555593 470:Netflix 296:History 1336:  1326:  1188:  1180:  1136:  1109:  1068:  1058:  968:  936:  928:  859:  849:  841:  761:  753:  726:  691:  683:  620:  610:  602:  454:(2017) 447:(2011) 390:(2006) 1186:S2CID 1017:(PDF) 934:S2CID 689:S2CID 472:film 459:Dealt 313:Swiss 232:, or 85:, or 1363:MeSH 1334:PMID 1178:PMID 1134:PMID 1107:PMID 1066:PMID 966:ISBN 926:PMID 857:PMID 839:ISSN 759:PMID 751:ISSN 724:PMID 681:PMID 618:PMID 600:ISSN 480:The 333:and 1324:PMC 1316:doi 1170:doi 1166:193 1097:doi 1056:PMC 1048:doi 918:doi 847:PMC 831:doi 716:doi 673:doi 645:125 608:PMC 592:doi 262:. 103:CBS 101:or 1410:: 1390:: 1366:: 1332:. 1322:. 1312:73 1310:. 1306:. 1244:; 1184:. 1176:. 1164:. 1160:. 1146:^ 1130:20 1128:. 1105:. 1093:48 1091:. 1087:. 1064:. 1054:. 1044:88 1042:. 1038:. 1019:. 980:^ 946:^ 932:. 924:. 914:20 912:. 882:. 869:^ 855:. 845:. 837:. 827:93 825:. 821:. 771:^ 757:. 747:34 745:. 722:. 712:11 710:. 687:. 679:. 669:36 667:. 653:^ 630:^ 616:. 606:. 598:. 588:13 586:. 582:. 540:^ 228:, 132:. 113:. 81:, 65:, 61:, 57:, 1355:D 1340:. 1318:: 1230:. 1192:. 1172:: 1140:. 1113:. 1099:: 1072:. 1050:: 974:. 940:. 920:: 897:. 863:. 833:: 765:. 730:. 718:: 695:. 675:: 624:. 594:: 269:) 265:( 20:)

Index

Charles Bonnet syndrome
Specialty
Psychiatry
ophthalmology
optometry
neurology
Diagnostic method
Psychosis
delirium
dementia
blindness
hallucinations
Charles Bonnet
psychiatry
closed-eye hallucination
vision loss
lilliputian
photopsias
understand that the hallucinations are not real

Functional magnetic resonance imaging
age-related macular degeneration
lateral geniculate nucleus
Boltzmann Machine

acetylcholine
psychosis
delirium
dementia

Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.