Association Between False Memories and Delusions in Alzheimer Disease

Author:

McLachlan Emma1,Ocal Dilek2,Burgess Neil34,Reeves Suzanne1,Howard Robert1,Weiner Michael W.5,Aisen Paul5,Petersen Ronald5,Jack Clifford R.5,Jagust William5,Trojanowki John Q.5,Toga Arthur W.5,Beckett Laurel5,Green Robert C.5,Saykin Andrew J.5,Morris John C.5,Perrin Richard J.5,Shaw Leslie M.5,Khachaturian Zaven5,Carrillo Maria5,Potter William5,Barnes Lisa5,Bernard Marie5,González Hector5,Ho Carole5,Hsiao John K.5,Jackson Jonathan5,Masliah Eliezer5,Masterman Donna5,Okonkwo Ozioma5,Perrin Richard5,Ryan Laurie5,Silverberg Nina5,Fleisher Adam5,Truran Sacrey Diana5,Fockler Juliet5,Conti Cat5,Veitch Dallas5,Neuhaus John5,Jin Chengshi5,Nosheny Rachel5,Ashford Miriam5,Flenniken Derek5,Kormos Adrienne5,Montine Tom5,Rafii Michael5,Raman Rema5,Jimenez Gustavo5,Donohue Michael5,Gessert Devon5,Salazar Jennifer5,Zimmerman Caileigh5,Cabrera Yuliana5,Walter Sarah5,Miller Garrett5,Coker Godfrey5,Clanton Taylor5,Hergesheimer Lindsey5,Smith Stephanie5,Adegoke Olusegun5,Mahboubi Payam5,Moore Shelley5,Pizzola Jeremy5,Shaffer Elizabeth5,Sloan Brittany5,Harvey Danielle5,Forghanian-Arani Arvin5,Borowski Bret5,Ward Chad5,Schwarz Christopher5,Jones David5,Gunter Jeff5,Kantarci Kejal5,Senjem Matthew5,Vemuri Prashanthi5,Reid Robert5,Fox Nick C.5,Malone Ian5,Thompson Paul5,Thomopoulos Sophia I.5,Nir Talia M.5,Jahanshad Neda5,DeCarli Charles5,Knaack Alexander5,Fletcher Evan5,Tosun-Turgut Duygu5,Rossi Chen Stephanie5,Choe Mark5,Crawford Karen5,Yushkevich Paul A.5,Das Sandhitsu5,Koeppe Robert A.5,Reiman Eric M.5,Chen Kewei5,Mathis Chet5,Landau Susan5,Cairns Nigel J.5,Householder Erin5,Franklin Erin5,Bernhardt Haley5,Taylor-Reinwald Lisa5,Korecka Magdalena5,Figurski Michal5,Neu Scott Neu5,Nho Kwangsik5,Risacher Shannon L.5,Apostolova Liana G.5,Shen Li5,Foroud Tatiana M.5,Nudelman Kelly5,Faber Kelley5,Wilmes Kristi5,Thal Leon5,Silbert Lisa C.5,Lind Betty5,Crissey Rachel5,Kaye Jeffrey A.5,Carter Raina5,Dolen Sara5,Quinn Joseph5,Schneider Lon S.5,Pawluczyk Sonia5,Becerra Mauricio5,Teodoro Liberty5,Dagerman Karen5,Spann Bryan M.5,Brewer James5,Vanderswag Helen5,Ziolkowski Jaimie5,Heidebrink Judith L.5,Zbizek-Nulph Lisa5,Lord Joanne L.5,Mason Sara S.5,Albers Colleen S.5,Knopman David5,Johnson Kris5,Villanueva-Meyer Javier5,Pavlik Valory5,Pacini Nathaniel5,Lamb Ashley5,Kass Joseph S. Kass5,Doody Rachelle S.5,Shibley Victoria Shibley5,Chowdhury Munir5,Rountree Susan5,Dang Mimi5,Stern Yaakov5,Honig Lawrence S.5,Mintz Akiva5,Ances Beau5,Winkfield David5,Carroll Maria5,Stobbs-Cucchi Georgia5,Oliver Angela5,Creech Mary L.5,Mintun Mark A.5,Schneider Stacy5,Geldmacher David5,Natelson Love Marissa5,Griffith Randall5,Clark David5,Brockington John5,Marson Daniel5,Grossman Hillel5,Goldstein Martin A.5,Greenber Jonathan5,Mitsis Effie5,Shah Raj C.5,Lamar Melissa5,Samuels Patricia5,Duara Ranjan5,Greig-Custo Maria T.5,Rodriguez Rosemarie5,Albert Marilyn5,Onyike Chiadi5,Farrington Leonie5,Rudow Scott5,Brichko Rottislav5,Kielb Stephanie5,Smith Amanda5,Ashok Raj Balebail5,Fargher Kristin5,Sadowski Martin5,Wisniewski Thomas5,Shulman Melanie5,Faustin Arline5,Rao Julia5,Castro Karen M.5,Ulysse Anaztasia5,Chen Shannon5,Sheikh Mohammed O.5,Singleton-Garvin Jamika5,Murali Doraiswamy P.5,Petrella Jeffrey R.5,James Olga5,Wong Terence Z.5,Borges-Neto Salvador5,Karlawish Jason H.5,Wolk David A.5,Vaishnavi Sanjeev5,Clark Christopher M.5,Arnold Steven E.5,Smith Charles D.5,Jicha Gregory A.5,El Khouli Riham5,Raslau Flavius D.5,Lopez Oscar L.5,Oakley MaryAnn5,Simpson Donna M.5,Porsteinsson Anton P.5,Martin Kim5,Kowalski Nancy5,Keltz Melanie5,Goldstein Bonnie S.5,Makino Kelly M.5,Seleem Ismail M.5,Brand Connie5,Thai Gaby5,Pierce Aimee5,Yanez Beatriz5,Sosa Elizabeth5,Witbracht Megan5,Kelley Brendan5,Nguyen Trung5,Womack Kyle5,Mathews Dana5,Quiceno Mary5,Levey Allan I.5,Lah James J.5,Hajjar Ihab5,Cellar Janet S.5,Burns Jeffrey M.5,Swerdlow Russell H.5,Brooks William M.5,Silverman Daniel H.S.5,Kremen Sarah5,Apostolova Liana5,Tingus Kathleen5,Lu Po H.5,Bartzokis George5,Woo Ellen5,Teng Edmond5,Graff-Radford Neill R5,Parfitt Francine5,Poki-Walker Kim5,Farlow Martin R.5,Hake Ann Marie5,Matthews Brandy R.5,Brosch Jared R.5,Herring Scott5,van Dyck Christopher H.5,Mecca Adam P.5,Good Susan P.5,MacAvoy Martha G.5,Carson Richard E.5,Varma Pradeep5,Chertkow Howard5,Vaitekunis Susan5,Hosein Chris5,Black Sandra5,Stefanovic Bojana5,Heyn Chris (Chinthaka)5,Robin Hsiung Ging-Yuek5,Kim Ellen5,Mudge Benita5,Sossi Vesna5,Feldman Howard5,Assaly Michele5,Finger Elizabeth5,Pasternak Stephen5,Rachinsky Irina5,Kertesz Andrew5,Drost Dick5,Rogers John5,Grant Ian5,Muse Brittanie5,Rogalski Emily5,Robson Jordan5,Marsel Mesulam M.5,Kerwin Diana5,Wu Chuang-Kuo5,Johnson Nancy5,Liposki Kristine5,Weintraub Sandra5,Bonakdarpour Borna5,Pomara Nunzio5,Hernando Raymundo5,Sarrael Antero5,Rosen Howard J.5,Miller Bruce L.5,Perry David5,Scott Turner Raymond5,Johnson Kathleen5,Reynolds Brigid5,McCann Kelly5,Poe Jessica5,Sperling Reisa A.5,Johnson Keith A.5,Marshall Gad A.5,Yesavage Jerome5,Taylor Joy L.5,Chao Steven5,Coleman Jaila5,White Jessica D.5,Lane Barton5,Rosen Allyson5,Tinklenberg Jared5,Belden Christine M.5,Atri Alireza5,Clark Kelly A.5,Zamrini Edward5,Sabbagh Marwan5,Killiany Ronald5,Stern Robert5,Mez Jesse5,Kowall Neil5,Budson Andrew E.5,Obisesan Thomas O.5,Ntekim Oyonumo E.5,Wolday Saba5,Khan Javed I.5,Nwulia Evaristus5,Nadarajah Sheeba5,Lerner Alan5,Ogrocki Paula5,Tatsuoka Curtis5,Fatica Parianne5,Maillard Pauline5,Olichney John5,Carmichael Owen5,Bates Vernice5,Capote Horacio5,Rainka Michelle5,Borrie Michael5,Lee T-Y5,Bartha Rob5,Johnson Sterling5,Asthana Sanjay5,Carlsson Cynthia M.5,Perrin Allison5,Burke Anna5,Scharre Douglas W.5,Kataki Maria5,Tarawneh Rawan5,Hart David5,Zimmerman Earl A.5,Celmins Dzintra5,Miller Delwyn D.5,Boles Laura L.5,Ekstam Smith Karen5,Koleva Hristina5,Shim Hyungsub5,Won Nam Ki5,Schultz Susan K.5,Williamson Jeff D.5,Craft Suzanne5,Cleveland Jo5,Yang Mia5,Sink Kaycee M.5,Ott Brian R.5,Drake Jonathan5,Tremont Geoffrey5,Daielllo Lori A.5,Ritter Aaron5,Bernick Charles5,Munic Donna5,O'Connelll Abigail5,Mintzer Jacobo5,Wiliams Arthur5,Masdeu Joseph5,Shi Jiong5,Garcia Angelica5,Newhouse Paul5,Potkin Steven5,Salloway Stephen5,Malloy Paul5,Correia Stephen5,Kittur Smita5,Pearlson Godfrey D.5,Blank Karen5,Anderson Karen5,Flashman Laura A.5,Seltzer Marc5,Hynes Mary L.5,Santulli Robert B.5,Relkin Norman5,Chiang Gloria5,Lin Michael5,Ravdin Lisa5,Lee Athena5,Neylan Thomas5,Grafman Jordan5,Danowski Sarah5,Nguyen-Barrera Catherine5,Hayes Jacqueline5,Finley Shannon5,Bernstein Matthew5,Foster Norm5,Kim Sungeun5,Sood Ajay5,Blanchard Kimberly S.5,Arfanakis Konstantinos5,Fleischman Debra5,Varon Daniel5,Reist Christopher5,Sadowsky Carl5,Martinez Walter5,Villena Teresa5,Peskind Elaine R.5,Petrie Eric C.5,Li Gail5,Mackin Scott5,Drake Erin5,Nelson Craig5,Bikford David5,Butters Meryl5,Zmuda Michelle5,Reyes Denise5,Ho Au Yiu5,Scherer Kelly5,Catalinotto Daniel5,Stark Samuel5,Ong Elise5,Fernandez Dariella5,

Affiliation:

1. Division of Psychiatry, University College London, London, United Kingdom

2. Dementia Research Centre, University College London, London, United Kingdom

3. UCL Institute of Cognitive Neuroscience and UCL Queen Square Institute of Neurology, University College London, London, United Kingdom

4. Wellcome Centre for Human Neuroimaging, University College London, London, United Kingdom

5. for the Alzheimer’s Disease Neuroimaging Initiative

Abstract

ImportanceUnderstanding the mechanisms of delusion formation in Alzheimer disease (AD) could inform the development of therapeutic interventions. It has been suggested that delusions arise as a consequence of false memories.ObjectiveTo investigate whether delusions in AD are associated with false recognition, and whether higher rates of false recognition and the presence of delusions are associated with lower regional brain volumes in the same brain regions.Design, Setting, and ParticipantsSince the Alzheimer’s Disease Neuroimaging Initiative (ADNI) launched in 2004, it has amassed an archive of longitudinal behavioral and biomarker data. This cross-sectional study used data downloaded in 2020 from ADNI participants with an AD diagnosis at baseline or follow-up. Data analysis was performed between June 24, 2020, and September 21, 2021.ExposureEnrollment in the ADNI.Main Outcomes and MeasuresThe main outcomes included false recognition, measured with the 13-item Alzheimer’s Disease Assessment Scale–Cognitive Subscale (ADAS-Cog 13) and the Rey Auditory Verbal Learning Test (RAVLT) and volume of brain regions corrected for total intracranial volume. Behavioral data were compared for individuals with delusions in AD and those without using independent-samples t tests or Mann-Whitney nonparametric tests. Significant findings were further explored using binary logistic regression modeling. For neuroimaging data region of interest analyses using t tests, Poisson regression modeling or binary logistic regression modeling and further exploratory, whole-brain voxel-based morphometry analyses were carried out to explore the association between regional brain volume and false recognition or presence of delusions.ResultsOf the 2248 individuals in the ADNI database, 728 met the inclusion criteria and were included in this study. There were 317 (43.5%) women and 411 (56.5%) men. Their mean (SD) age was 74.8 (7.4) years. The 42 participants with delusions at baseline had higher rates of false recognition on the ADAS-Cog 13 (median score, 3; IQR, 1 to 6) compared with the 549 control participants (median score, 2; IQR, 0 to 4; U = 9398.5; P = .04). False recognition was not associated with the presence of delusions when confounding variables were included in binary logistic regression models. An ADAS-Cog 13 false recognition score was inversely associated with left hippocampal volume (odds ratio [OR], 0.91 [95% CI, 0.88-0.94], P < .001), right hippocampal volume (0.94 [0.92-0.97], P < .001), left entorhinal cortex volume (0.94 [0.91-0.97], P < .001), left parahippocampal gyrus volume (0.93 [0.91-0.96], P < .001), and left fusiform gyrus volume (0.97 [0.96-0.99], P < .001). There was no overlap between locations associated with false recognition and those associated with delusions.Conclusions and RelevanceIn this cross-sectional study, false memories were not associated with the presence of delusions after accounting for confounding variables, and no indication for overlap of neural networks for false memories and delusions was observed on volumetric neuroimaging. These findings suggest that delusions in AD do not arise as a direct consequence of misremembering, lending weight to ongoing attempts to delineate specific therapeutic targets for treatment of psychosis.

Publisher

American Medical Association (AMA)

Subject

Psychiatry and Mental health

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