{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,10]],"date-time":"2026-06-10T16:42:46Z","timestamp":1781109766194,"version":"3.54.1"},"reference-count":88,"publisher":"SAGE Publications","issue":"7","license":[{"start":{"date-parts":[[2018,5,17]],"date-time":"2018-05-17T00:00:00Z","timestamp":1526515200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Am J Alzheimers Dis Other Demen"],"published-print":{"date-parts":[[2018,11]]},"abstract":"<jats:sec>\n                    <jats:title>Background:<\/jats:title>\n                    <jats:p>Folie \u00e0 deux is a clinical condition that was first described in 19th century. It is a psychotic disorder in which two closely associated individuals share a similar delusional system.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Objectives:<\/jats:title>\n                    <jats:p>The aim of this article is to review the nosological significance of folie \u00e0 deux and to explore the disorder among patients with dementia.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods:<\/jats:title>\n                    <jats:p>Medline and Google Scholar searches were conducted for relevant articles, chapters, and books published before 2017. Search terms used included dementia, folie \u00e0 deux, induced delusional disorder, neurocognitive disorders, shared psychotic disorder. Publications found through this indexed search were reviewed for further relevant references.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results and Conclusion:<\/jats:title>\n                    <jats:p>Cases of Folie \u00e0 deux involving patients with dementia are reported quite infrequently. Most of the studies on the topic consist in case reports. Clinicians are obliged to treat the disorder. They should be alert to the potential high risk inherent this psychotic syndrome.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/1533317518772060","type":"journal-article","created":{"date-parts":[[2018,5,17]],"date-time":"2018-05-17T23:36:45Z","timestamp":1526600205000},"page":"415-422","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":11,"title":["A Contagious Disorder: Folie \u00e0 Deux and Dementia"],"prefix":"10.1177","volume":"33","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6334-890X","authenticated-orcid":false,"given":"Gabriele","family":"Cipriani","sequence":"first","affiliation":[{"name":"Department of Neurology, Versilia Hospital, Lucca, Italy"},{"name":"Department of Psychiatry, Versilia Hospital, Lucca, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Noha","family":"Abdel-Gawad","sequence":"additional","affiliation":[{"name":"Department of Psychiatry and Behavioral Sciences, University of Texas Health Science Center at Houston, Houston, TX, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sabrina","family":"Danti","sequence":"additional","affiliation":[{"name":"Department of Neurology, Versilia Hospital, Lucca, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mario","family":"Di Fiorino","sequence":"additional","affiliation":[{"name":"Department of Psychiatry, Versilia Hospital, Lucca, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2018,5,17]]},"reference":[{"key":"bibr1-1533317518772060","doi-asserted-by":"publisher","DOI":"10.1177\/0020764014560357"},{"key":"bibr2-1533317518772060","doi-asserted-by":"publisher","DOI":"10.1097\/NMD.0000000000000190"},{"key":"bibr3-1533317518772060","doi-asserted-by":"publisher","DOI":"10.1111\/j.1447-0594.2011.00730.x"},{"key":"bibr4-1533317518772060","doi-asserted-by":"publisher","DOI":"10.1111\/ggi.12608"},{"key":"bibr5-1533317518772060","doi-asserted-by":"publisher","DOI":"10.1016\/j.eurger.2015.07.010"},{"key":"bibr6-1533317518772060","doi-asserted-by":"publisher","DOI":"10.1111\/ggi.12105"},{"key":"bibr7-1533317518772060","doi-asserted-by":"publisher","DOI":"10.1007\/s13760-014-0306-y"},{"key":"bibr8-1533317518772060","doi-asserted-by":"publisher","DOI":"10.1016\/j.eurger.2016.02.009"},{"key":"bibr9-1533317518772060","first-page":"321","volume":"18","author":"Las\u00e8gue C","year":"1877","journal-title":"Ann Med Psychol"},{"key":"bibr10-1533317518772060","doi-asserted-by":"publisher","DOI":"10.1007\/BF01576134"},{"key":"bibr11-1533317518772060","volume-title":"Three Hundred Years of Psychiatry","author":"Hunter R","year":"1963"},{"key":"bibr12-1533317518772060","doi-asserted-by":"publisher","DOI":"10.1007\/BF02004268"},{"key":"bibr13-1533317518772060","volume-title":"Id\u00e9es de Pers\u00e9cution Communiqu\u00e9es ou D\u00e9lire \u00e0 Deux et \u00e0 Trois Personnes","author":"Legrand du Saulle H","year":"1871"},{"key":"bibr14-1533317518772060","volume-title":"La Folie \u00e0 Deux ou Folie Simultann\u00e9e Avec Observations Recueillies \u00e0 la Clinique de Pathologie Mentale (Th\u00e8se)","author":"R\u00e9gis E","year":"1880"},{"key":"bibr15-1533317518772060","doi-asserted-by":"publisher","DOI":"10.1093\/brain\/10.4.408"},{"key":"bibr16-1533317518772060","first-page":"261","volume":"9","author":"Erol A","year":"2008","journal-title":"Anatolian J Psychiatry"},{"key":"bibr17-1533317518772060","doi-asserted-by":"publisher","DOI":"10.1097\/00005053-193804000-00003"},{"key":"bibr18-1533317518772060","doi-asserted-by":"publisher","DOI":"10.1097\/00005053-196307000-00007"},{"key":"bibr19-1533317518772060","doi-asserted-by":"crossref","first-page":"158","DOI":"10.5040\/9798400673016.0036","volume-title":"Islamic Terror: Conscious and Unconscious Motives","author":"Falk A","year":"2008"},{"key":"bibr20-1533317518772060","doi-asserted-by":"crossref","first-page":"69","DOI":"10.5771\/9781442206076-69","volume-title":"Delusions and the Madness of the Masses","author":"Reznek L","year":"2010"},{"key":"bibr21-1533317518772060","doi-asserted-by":"publisher","DOI":"10.1186\/s13256-016-1128-8"},{"key":"bibr22-1533317518772060","doi-asserted-by":"publisher","DOI":"10.1186\/1744-859X-5-11"},{"issue":"1","key":"bibr23-1533317518772060","first-page":"45","volume":"162","author":"Talamo A","year":"2011","journal-title":"Clin Ter"},{"key":"bibr24-1533317518772060","doi-asserted-by":"publisher","DOI":"10.1007\/s11920-007-0019-5"},{"key":"bibr25-1533317518772060","first-page":"57","volume":"10","author":"Ferro FM","year":"2003","journal-title":"Imago"},{"key":"bibr26-1533317518772060","doi-asserted-by":"publisher","DOI":"10.1177\/070674379504000705"},{"key":"bibr27-1533317518772060","doi-asserted-by":"publisher","DOI":"10.1097\/00005053-195611000-00003"},{"key":"bibr28-1533317518772060","volume-title":"The ICD-10 Classification of Mental and Behavioural Disorders","author":"World Health Organization","year":"1992"},{"key":"bibr29-1533317518772060","volume-title":"Diagnostic and Statistical Manual of Mental Disorders","author":"American Psychiatric Association","year":"1994","edition":"4"},{"key":"bibr30-1533317518772060","doi-asserted-by":"publisher","DOI":"10.1176\/appi.books.9780890425596"},{"key":"bibr31-1533317518772060","doi-asserted-by":"publisher","DOI":"10.1016\/j.encep.2007.02.001"},{"key":"bibr32-1533317518772060","doi-asserted-by":"publisher","DOI":"10.1016\/j.msom.2011.07.003"},{"key":"bibr33-1533317518772060","first-page":"47","volume":"14","author":"Bugeme M","year":"2013","journal-title":"Pan Afr Med J"},{"key":"bibr34-1533317518772060","doi-asserted-by":"publisher","DOI":"10.1016\/j.genhosppsych.2009.09.013"},{"issue":"3","key":"bibr35-1533317518772060","first-page":"414","volume-title":"Am J Psychiatry","volume":"149","author":"Howard R","year":"1992"},{"key":"bibr36-1533317518772060","volume-title":"Symbiotische Psychosen","author":"Scharfetter C","year":"1970"},{"key":"bibr37-1533317518772060","doi-asserted-by":"publisher","DOI":"10.1176\/appi.ajp.2013.13010027"},{"issue":"5","key":"bibr38-1533317518772060","first-page":"524","volume":"46","author":"Feibel R","year":"1979","journal-title":"Mt Sinai J Med"},{"key":"bibr39-1533317518772060","doi-asserted-by":"publisher","DOI":"10.1080\/13546805.2012.718246"},{"key":"bibr40-1533317518772060","doi-asserted-by":"publisher","DOI":"10.1016\/j.comppsych.2003.09.004"},{"issue":"4","key":"bibr41-1533317518772060","first-page":"511","volume":"34","author":"Joshi KG","year":"2006","journal-title":"J Am Acad Psychiatry Law"},{"key":"bibr42-1533317518772060","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-0447.1997.tb10156.x"},{"key":"bibr43-1533317518772060","doi-asserted-by":"publisher","DOI":"10.1016\/0010-440X(93)90056-A"},{"key":"bibr44-1533317518772060","doi-asserted-by":"publisher","DOI":"10.1192\/bjp.125.3.230"},{"key":"bibr45-1533317518772060","doi-asserted-by":"publisher","DOI":"10.1159\/000069657"},{"key":"bibr46-1533317518772060","doi-asserted-by":"publisher","DOI":"10.1017\/S0790966700013975"},{"key":"bibr47-1533317518772060","doi-asserted-by":"publisher","DOI":"10.1111\/j.1399-5618.2004.00099.x"},{"issue":"6","key":"bibr48-1533317518772060","first-page":"304","volume":"51","author":"Howard R","year":"1994","journal-title":"Br J Hosp Med"},{"key":"bibr49-1533317518772060","doi-asserted-by":"publisher","DOI":"10.1016\/j.eurpsy.2003.06.003"},{"key":"bibr50-1533317518772060","doi-asserted-by":"publisher","DOI":"10.1177\/070674379103600110"},{"key":"bibr51-1533317518772060","doi-asserted-by":"publisher","DOI":"10.4103\/0019-5545.55942"},{"issue":"3","key":"bibr52-1533317518772060","first-page":"369","volume":"38","author":"Newman WJ","year":"2010","journal-title":"J Am Acad Psychiatry Law"},{"key":"bibr53-1533317518772060","first-page":"1054","volume":"93","author":"Spradley JB.","year":"1937","journal-title":"Am J Psychiatry"},{"key":"bibr54-1533317518772060","doi-asserted-by":"publisher","DOI":"10.1080\/00207411.1972.11448569"},{"key":"bibr55-1533317518772060","doi-asserted-by":"publisher","DOI":"10.1007\/BF01537943"},{"issue":"1","key":"bibr56-1533317518772060","first-page":"94","volume":"23","author":"Dhadphale M","year":"1981","journal-title":"Indian J Psychiatry"},{"key":"bibr57-1533317518772060","first-page":"181","volume":"43","author":"Jagadeesan K","year":"2001","journal-title":"Indian J Psychiatry"},{"issue":"12","key":"bibr58-1533317518772060","first-page":"1238","volume":"45","author":"Harmon C","year":"1994","journal-title":"Hosp Community Psychiatry"},{"key":"bibr59-1533317518772060","doi-asserted-by":"publisher","DOI":"10.1097\/00005053-194602000-00008"},{"key":"bibr60-1533317518772060","doi-asserted-by":"publisher","DOI":"10.1093\/brain\/68.3.213"},{"key":"bibr61-1533317518772060","doi-asserted-by":"publisher","DOI":"10.1192\/bjp.148.4.463"},{"key":"bibr62-1533317518772060","doi-asserted-by":"publisher","DOI":"10.1192\/bjp.148.3.324"},{"key":"bibr63-1533317518772060","doi-asserted-by":"publisher","DOI":"10.1176\/ajp.98.6.842"},{"key":"bibr64-1533317518772060","doi-asserted-by":"publisher","DOI":"10.1177\/070674379504000710"},{"key":"bibr65-1533317518772060","doi-asserted-by":"publisher","DOI":"10.1055\/s-2007-996368"},{"key":"bibr66-1533317518772060","first-page":"62","volume":"32","author":"Gagnon JH","year":"1979","journal-title":"J Group Psychother Psychodrama Sociom"},{"key":"bibr67-1533317518772060","doi-asserted-by":"publisher","DOI":"10.1177\/070674378703200311"},{"key":"bibr68-1533317518772060","first-page":"199","volume":"23","author":"Metzger W","year":"1996","journal-title":"Psychiatr Prax"},{"key":"bibr69-1533317518772060","doi-asserted-by":"publisher","DOI":"10.1177\/070674378202700413"},{"key":"bibr70-1533317518772060","doi-asserted-by":"publisher","DOI":"10.1016\/S0306-9877(98)90207-9"},{"key":"bibr71-1533317518772060","doi-asserted-by":"publisher","DOI":"10.1111\/1556-4029.12264"},{"key":"bibr72-1533317518772060","first-page":"179","volume-title":"Uncommon Psychiatric Syndromes","author":"Enoch D","year":"2001","edition":"4"},{"key":"bibr73-1533317518772060","doi-asserted-by":"publisher","DOI":"10.1192\/bjp.182.6.475"},{"key":"bibr74-1533317518772060","doi-asserted-by":"publisher","DOI":"10.1176\/ajp.149.3.414a"},{"issue":"3","key":"bibr75-1533317518772060","first-page":"168","volume":"9","author":"Lange E","year":"1976","journal-title":"Psychiatr Clin"},{"key":"bibr76-1533317518772060","doi-asserted-by":"publisher","DOI":"10.1176\/ajp.134.10.1146"},{"key":"bibr77-1533317518772060","doi-asserted-by":"publisher","DOI":"10.1097\/00005053-197707000-00007"},{"key":"bibr78-1533317518772060","doi-asserted-by":"publisher","DOI":"10.1192\/bjp.139.1.62"},{"key":"bibr79-1533317518772060","doi-asserted-by":"publisher","DOI":"10.1111\/j.1532-5415.1972.tb00820.x"},{"key":"bibr80-1533317518772060","doi-asserted-by":"publisher","DOI":"10.1177\/014107689909200414"},{"key":"bibr81-1533317518772060","doi-asserted-by":"publisher","DOI":"10.1159\/000341338"},{"key":"bibr82-1533317518772060","doi-asserted-by":"publisher","DOI":"10.1192\/bjp.198.4.326a"},{"key":"bibr83-1533317518772060","doi-asserted-by":"publisher","DOI":"10.3109\/00048679009077694"},{"key":"bibr84-1533317518772060","doi-asserted-by":"publisher","DOI":"10.1177\/070674378703200112"},{"key":"bibr85-1533317518772060","doi-asserted-by":"publisher","DOI":"10.1017\/S1041610297004353"},{"key":"bibr86-1533317518772060","first-page":"113","volume":"22","author":"Lai TS","year":"2001","journal-title":"Clin Gerontol"},{"issue":"4","key":"bibr87-1533317518772060","first-page":"1255","volume":"32","author":"Dodig-Curkovi\u0107 K","year":"2008","journal-title":"Coll Antropol"},{"key":"bibr88-1533317518772060","doi-asserted-by":"publisher","DOI":"10.1177\/070674378703200635"}],"container-title":["American Journal of Alzheimer's Disease &amp; Other Dementias\u00ae"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.1177\/1533317518772060","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/journals.sagepub.com\/doi\/full-xml\/10.1177\/1533317518772060","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.1177\/1533317518772060","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,4,28]],"date-time":"2026-04-28T09:20:35Z","timestamp":1777368035000},"score":1,"resource":{"primary":{"URL":"https:\/\/journals.sagepub.com\/doi\/10.1177\/1533317518772060"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2018,5,17]]},"references-count":88,"journal-issue":{"issue":"7","published-print":{"date-parts":[[2018,11]]}},"alternative-id":["10.1177\/1533317518772060"],"URL":"https:\/\/doi.org\/10.1177\/1533317518772060","relation":{},"ISSN":["1533-3175","1938-2731"],"issn-type":[{"value":"1533-3175","type":"print"},{"value":"1938-2731","type":"electronic"}],"subject":[],"published":{"date-parts":[[2018,5,17]]}}}