Constantine G. Lyketsos

43.9k citations

389 papers · 23.5k indexed · 11 hit papers · h-index 85

Impact in

Psychiatry and Mental health top 0.02%
- Dementia and Cognitive Impairment Research
- Schizophrenia research and treatment
Biological Psychiatry top 0.2%

Papers in

Psychiatry and Mental health 238
- Dementia and Cognitive Impairment Research 206
- Schizophrenia research and treatment 47
Biological Psychiatry 10

Co-authors: Helen C. Kales Laura N. Gitlin John C.S. Breitner Peter V. Rabins Maria C. Norton Paul B. Rosenberg Michelle M. Mielke David C. Steffens
Journals: Alzheimer s & Dementia (52 papers)International Journal of Geriatric Psychiatry (43 papers)American Journal of Geriatric Psychiatry (39 papers)International Psychogeriatrics (27 papers)Journal of Alzheimer s Disease (15 papers)
Partner nations: United States Canada United Kingdom

In The Last Decade

Constantine G. Lyketsos

375 papers receiving 22.7k citations

Hit Papers

11 papers align trajectories log scale

Psychosis in Alzheimer disease — mechanisms, genetics and therapeutic opportunities 2022 · 116 citations

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if any of the following hold:

it has ≥500 total citations;
it reaches ≥1.5× the top-1% citation threshold for papers in the same subfield and year (the threshold is the minimum needed to enter the top 1%, not the average within it);
it reaches the top citation threshold in at least one of its specific research topics.

2022 Nature Reviews Neurology
2018 Journal of General Internal Medicine
2017 Journal of Alzheimer s Disease
2015 BMJ
2015 Alzheimer s & Dementia
2014 Journal of the American Geriatrics Society
2014 JAMA
2010 Journal of Nuclear Medicine
2007 International Journal of Geriatric Psychiatry
2006 New England Journal of Medicine
2000 American Journal of Psychiatry

Peers

Countries citing papers authored by Constantine G. Lyketsos

Since Specialization

Citations

This map shows the geographic impact of Constantine G. Lyketsos's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Constantine G. Lyketsos with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Constantine G. Lyketsos more than expected).

Fields of papers citing papers by Constantine G. Lyketsos

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Constantine G. Lyketsos. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Constantine G. Lyketsos. The network helps show where Constantine G. Lyketsos may publish in the future.

Co-authors

The 25 scholars most cited alongside Constantine G. Lyketsos, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with Constantine G. Lyketsos Line = papers co-authored together Constantine G. Lyketsos links everyone, so they are left out of the graph.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

#	Work
1	Geographic Distribution and Future Projections of Mild Cognitive Impairment and Dementia in Greece: Analysis from 1991 to 2050 Brain Sciences ·Themis P. Exarchos, Konstantina Skolariki, Vasiliki Mahairaki, Constantine G. Lyketsos, Panagiotis Vlamos, Nikolaos Scarmeas, Efthimios Dardiotis, (unknown)	2025	1
2	Neuropsychiatric symptoms and white matter hyperintensities in older adults without dementia International Psychogeriatrics ·Ioannis Liampas, Vasileios Siokas, Elli Zoupa, Panayiota Kyriakoulopoulou, Polyxeni Stamati, Antonios Provatas, Zisis Tsouris, Vana Tsimourtou, Constantine G. Lyketsos, Efthimios Dardiotis	2024	2
3	Escitalopram for Agitation in Alzheimer’s Dementia Alzheimer s & Dementia ·Tarek K. Rajji, Sheriza Baksh, David Shade, Zahinoor Ismail, Amer M. Burhan, Hamid Okhravi, Prasad R. Padala, Paul B. Rosenberg, Lon S. Schneider, Anton P. Porsteinsson, Constantine G. Lyketsos	2024	1
4	Sleep Disorders and Cognitive Aging Among Cognitively Impaired Versus Unimpaired Older Adults The Gerontologist ·Soomi Lee, Monica Nelson, Fumiko Hamada, Meredith L. Wallace, Ross Andel, Orfeu M. Buxton, David M. Almeida, Constantine G. Lyketsos, Brent J. Small	2023	3
5	Generation and Characterization of a Human-Derived and Induced Pluripotent Stem Cell (iPSC) Line from an Alzheimer’s Disease Patient with Neuropsychiatric Symptoms Biomedicines ·Ram Sagar, Cristina Zivko, Ariadni Xydia, David C. Weisman, Constantine G. Lyketsos, Vasiliki Mahairaki	2023	4
6	Excitatory Neurons Derived from Human-Induced Pluripotent Stem Cells Show Transcriptomic Differences in Alzheimer’s Patients from Controls Cells ·Ram Sagar, Ioannis Azoidis, Cristina Zivko, Ariadni Xydia, Esther S. Oh, Paul B. Rosenberg, Constantine G. Lyketsos, Vasiliki Mahairaki, Dimitrios Avramopoulos	2023	4
7	Umbrella review and Delphi study on modifiable factors for dementia risk reduction Alzheimer s & Dementia ·Colin Rosenau, Sebastian Köhler, Lion M. Soons, Kaarin J. Anstey, Carol Brayne, Henry Brodaty, Knut Engedal, Francesca R Farina, Mary Ganguli, Gill Livingston, Constantine G. Lyketsos, Francesca Mangialasche, Laura E. Middleton, Marcel G. M. Olde Rikkert, Ruth Peters, Perminder S. Sachdev, Nikolaos Scarmeas, Geir Salbæk, Martin P.J. van Boxtel, Kay Deckers	2023	24
8	Cognitive Dysfunction, Psychiatric Distress, and Functional Decline After COVID-19 Journal of the Academy of Consultation-Liaison Psychiatry ·Tracy D. Vannorsdall, Emily Brigham, Ashraf Fawzy, Sarath Raju, Alesandra Gorgone, Alexandra Pletnikova, Constantine G. Lyketsos, Ann M. Parker, Esther S. Oh	2021	61
9	When Less is More, but Still Not Enough: Why Focusing on Limiting Antipsychotics in People With Dementia Is the Wrong Policy Imperative Journal of the American Medical Directors Association ·Helen C. Kales, Laura N. Gitlin, Constantine G. Lyketsos	2019	44
10	History of traumatic brain injury interferes with accurate diagnosis of Alzheimer’s dementia: a nation-wide case-control study International Review of Psychiatry ·Tejus Pradeep, Michael J. C. Bray, Siddharth Arun, Lisa N. Richey, Sahar Jahed, Barry R. Bryant, Christian LoBue, Constantine G. Lyketsos, Paul S. Kim, Matthew E. Peters	2019	8
11	Effect of the WeCareAdvisor™ on family caregiver outcomes in dementia: a pilot randomized controlled trial BMC Geriatrics ·Helen C. Kales, Laura N. Gitlin, Barbara Stanislawski, H. Myra Kim, Katherine Marx, Molly Turnwald, Claire Chiang, Constantine G. Lyketsos	2018	46
12	Head injury serum markers for assessing response to trauma: Design of the HeadSMART study Brain Injury ·Matthew E. Peters, Vani Rao, Kathleen T. Bechtold, Durga Roy, Haris I. Sair, Jeannie‐Marie Leoutsakos, Ramon Diaz‐Arrastia, Robert D. Stevens, D. Scott Batty, Hayley Falk, Christopher Fernandez, Uju Ofoche, Alexandra Vassila, Anna J. Hall, Braden Anderson, Edward S. Bessman, Constantine G. Lyketsos, Allen D. Everett, Jennifer E. Van Eyk, Frederick K. Korley	2017	13
13	Characterizing Highly Benefited Patients in Randomized Clinical Trials The International Journal of Biostatistics ·Vivek Charu, Paul A. Rosenberg, Lon S. Schneider, Lea T. Drye, Lisa Rein, David Shade, Constantine G. Lyketsos, Constantine Frangakis	2017	4
14	Empirically Defining Trajectories of Late-Life Cognitive and Functional Decline Publisher ·Helen Hochstetler, Paula T. Trzepacz, Shufang Wang, Peng Yu, Michael Case, David Henley, Elisabeth K. Degenhardt, Jeannie‐Marie Leoutsakos, Constantine G. Lyketsos	2015	1
15	Neuropsychiatric symptoms as early manifestations of emergent dementia: Provisional diagnostic criteria for mild behavioral impairment Alzheimer s & Dementia ·Zahinoor Ismail, Eric E. Smith, Yonas E. Geda, David L. Sultzer, Henry Brodaty, Gwenn S. Smith, Luis Agüera-Ortíz, R. D. Sweet, David S. Miller, Constantine G. Lyketsos, (unknown) Hit paper breakdown →	2015	517
16	Time to Response to Citalopram Treatment for Agitation in Alzheimer Disease American Journal of Geriatric Psychiatry ·Daniel Weintraub, Lea T. Drye, Anton P. Porsteinsson, Paul B. Rosenberg, Bruce G. Pollock, Devangere Devanand, Constantine Frangakis, Zahinoor Ismail, Christopher Marano, Curtis L. Meinert, Jacobo Mintzer, Cynthia A. Munro, Gregory H. Pelton, Peter V. Rabins, Lon S. Schneider, David Shade, Jerome A. Yesavage, Constantine G. Lyketsos	2015	19
17	Variants in PPP3R1 and MAPT are associated with more rapid functional decline in Alzheimer's disease: The Cache County Dementia Progression Study Alzheimer s & Dementia ·David B. Peterson, Caitlin Munger, Jared Crowley, Chris Corcoran, Carlos Cruchaga, Alison Goate, Maria C. Norton, Robert C. Green, Ronald G. Munger, John C.S. Breitner, Kathleen A. Welsh‐Bohmer, Constantine G. Lyketsos, JoAnn T. Tschanz, John Kauwe, (unknown)	2013	28
18	In Vivo Imaging of Amyloid Deposition in Alzheimer Disease Using the Radioligand ¹⁸F-AV-45 (Flobetapir F 18) Journal of Nuclear Medicine ·Dean F. Wong, Paul B. Rosenberg, Yun Zhou, Anil Kumar, Vanessa Raymont, Hayden T. Ravert, Robert F. Dannals, Ayon Nandi, James Robert Brašić, Weiguo Ye, John Hilton, Constantine G. Lyketsos, Hank F. Kung, Abhinay D. Joshi, Daniel Skovronsky, Michael J. Pontecorvo Hit paper breakdown →	2010	517
19	Caring for Medical Students as Patients Academic Medicine ·Laura Weiss Roberts, Teddy D. Warner, Darren Carter, Erica Frank, Linda Ganzini, Constantine G. Lyketsos	2000	58
20	The Life Chart Interview: A standardized method to describe the course of psychopathology. International Journal of Methods in Psychiatric Research ·Constantine G. Lyketsos, Gerald Nestadt, Joan Cwi, Kim A. Heithoff	1994	179

About Constantine G. Lyketsos

Constantine G. Lyketsos is a scholar working on Psychiatry and Mental health, Biological Psychiatry, Physiology, General Health Professions and Geriatrics and Gerontology, having authored 389 papers that have together received 23.5k indexed citations. Recurring topics across this work include Dementia and Cognitive Impairment Research (206 papers), Alzheimer's disease research and treatments (72 papers), Geriatric Care and Nursing Homes (50 papers), Schizophrenia research and treatment (47 papers), Intergenerational Family Dynamics and Caregiving (19 papers), Functional Brain Connectivity Studies (19 papers), Traumatic Brain Injury Research (18 papers) and Health disparities and outcomes (17 papers). The work is most often cited by research in Psychiatry and Mental health (12.8k citations), Biological Psychiatry (885 citations), Geriatrics and Gerontology (1.4k citations), Neuropsychology and Physiological Psychology (344 citations) and Neurology (1.8k citations). Constantine G. Lyketsos has collaborated with scholars based in United States, Canada and United Kingdom. Frequent co-authors include Helen C. Kales, Laura N. Gitlin, John C.S. Breitner, Peter V. Rabins, Maria C. Norton, Paul B. Rosenberg, Michelle M. Mielke, David C. Steffens, Martin H. Steinberg and Jeannie‐Marie Leoutsakos. Their work appears in journals such as Alzheimer s & Dementia, International Journal of Geriatric Psychiatry, American Journal of Geriatric Psychiatry, International Psychogeriatrics and Journal of Alzheimer s Disease.

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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