Michael S. Mega

17.9k citations

59 papers · 11.9k indexed · 4 hit papers · h-index 35

Impact in

Psychiatry and Mental health top 0.05%
- Dementia and Cognitive Impairment Research
- Schizophrenia research and treatment
Cognitive Neuroscience top 0.5%
- Functional Brain Connectivity Studies

Papers in ⓘ

Psychiatry and Mental health 25
- Dementia and Cognitive Impairment Research 21
Cognitive Neuroscience 29
- Functional Brain Connectivity Studies 19
- Memory and Neural Mechanisms 5

Co-authors: Jeffrey L. Cummings (20 shared papers)Jeffrey Gornbein (2 shared papers)Kevin F. Gray (1 shared paper)Susan Rosenberg-Thompson (1 shared paper)Jeffrey L. Cummings (4 shared papers)Paul M. Thompson (16 shared papers)Arthur W. Toga (19 shared papers)Roger P. Woods (8 shared papers)
Journals: Neurology (7 papers)NeuroImage (6 papers)Journal of Neuropsychiatry (3 papers)Journal of Neurology Neurosurgery & Psychiatry (2 papers)Journal of Computer Assisted Tomography (2 papers)
Partner nations: United States Taiwan Italy

In The Last Decade

Michael S. Mega

56 papers receiving 11.5k citations

Hit Papers

align trajectories log scale

Cerebral metabolic and cognitive decline in persons at genetic risk for Alzheimer's disease 2000 · 591 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.

2000 Proceedings of the National Academy of Sciences
1996 Neurology
1994 Journal of Neuropsychiatry
1994 Neurology

Peers

Countries citing papers authored by Michael S. Mega

Since Specialization

Citations

This map shows the geographic impact of Michael S. Mega'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 Michael S. Mega with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Michael S. Mega more than expected).

Fields of papers citing papers by Michael S. Mega

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Michael S. Mega. 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 Michael S. Mega. The network helps show where Michael S. Mega may publish in the future.

Co-authors

The 25 scholars most cited alongside Michael S. Mega, 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 Michael S. Mega Line = papers co-authored together Michael S. Mega links everyone, so they are left out of the graph.

All Works

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20 of 20 papers shown

Showing the 20 most-cited of 59 papers — load more, or switch the sort, to bring in the rest.

#	Work
1	The Neuropsychiatric Inventory Neurology ·Jeffrey L. Cummings, Michael S. Mega, Kevin F. Gray, Susan Rosenberg-Thompson, D. A. Carusi, Jeffrey Gornbein Hit paper breakdown →	1994	5981
2	The spectrum of behavioral changes in Alzheimer's disease Neurology ·Michael S. Mega, Jeffrey L. Cummings, Tara Fiorello, Jeffrey Gornbein Hit paper breakdown →	1996	871
3	Cerebral metabolic and cognitive decline in persons at genetic risk for Alzheimer's disease Proceedings of the National Academy of Sciences ·Gary W. Small, Linda M. Ercoli, Daniel Silverman, S.C. Huang, Scott Komo, Susan Y. Bookheimer, Helen Lavretsky, Karen J. Miller, Prabha Siddarth, Natalie Rasgon, John C. Mazziotta, Sanjaya Saxena, Hui‐Yuan Wu, Michael S. Mega, Jeffrey L. Cummings, Ann M. Saunders, Margaret A. Pericak‐Vance, Allen D. Roses, Jorge R. Barrio, Michael E. Phelps Hit paper breakdown →	2000	591
4	Frontal-subcortical circuits and neuropsychiatric disorders Journal of Neuropsychiatry ·Michael S. Mega, Jeffrey L. Cummings Hit paper breakdown →	1994	550
5	Cortical Change in Alzheimer's Disease Detected with a Disease-specific Population-based Brain Atlas Cerebral Cortex ·Paul M. Thompson, Michael S. Mega, Roger P. Woods, Christopher I. Zoumalan, Chris Lindshield, Ronald E. Blanton, J. Moussai, Colin J. Holmes, Jeffrey L. Cummings, Arthur W. Toga	2001	342
6	Mathematical/computational challenges in creating deformable and probabilistic atlases of the human brain Human Brain Mapping ·Paul M. Thompson, Roger P. Woods, Michael S. Mega, Arthur W. Toga	2000	264
7	Detection and Mapping of Abnormal Brain Structure with a Probabilistic Atlas of Cortical Surfaces Journal of Computer Assisted Tomography ·Paul M. Thompson, David MacDonald, Michael S. Mega, Colin J. Holmes, Alan C. Evans, Arthur W. Toga	1997	227
8	Orbitofrontal and anterior cingulate cortex neurofibrillary tangle burden is associated with agitation in Alzheimer disease Annals of Neurology ·Sibel Tekin, Michael S. Mega, Donna Masterman, Tiffany W. Chow, Justine Garakian, Harry V. Vinters, Jeffrey L. Cummings	2001	219
9	The limbic system: an anatomic, phylogenetic, and clinical perspective Journal of Neuropsychiatry ·Michael S. Mega, Jeffrey L. Cummings, Steve Salloway, Paul Malloy	1997	219
10	Orbitofrontal and anterior cingulate cortex neurofibrillary tangle burden is associated with agitation in Alzheimer disease Annals of Neurology ·Sibel Tekin, Michael S. Mega, Donna Masterman, Tiffany E. Chow, Justine Garakian, Harry V. Vinters, Jeffrey L. Cummings	2001	203
11	The Spectrum of Behavioral Responses to Cholinesterase Inhibitor Therapy in Alzheimer Disease Archives of Neurology ·Michael S. Mega, Donna Masterman, Susan O’Connor, Terry R. Barclay, Jeffrey L. Cummings	1999	197
12	Neuropsychiatric aspects of progressive supranuclear palsy Neurology ·Irene Litvan, Michael S. Mega, Jeffrey L. Cummings, Lynn A. Fairbanks	1996	165
13	Dementia with Lewy bodies Neurology ·Michael S. Mega, Donna Masterman, D. Frank Benson, Harry V. Vinters, Uwamie Tomiyasu, Ann H. Craig, Dean Foti, Daniel Kaufer, Douglas W. Scharre, Lynn A. Fairbanks, Jeffrey L. Cummings	1996	156
14	Cerebral correlates of psychotic symptoms in Alzheimer's disease Journal of Neurology Neurosurgery & Psychiatry ·Michael S. Mega	2000	151
15	Frontal White Matter Biochemical Abnormalities in Late-Life Major Depression Detected With Proton Magnetic Resonance Spectroscopy American Journal of Psychiatry ·Anand Kumar, Albert Thomas, Helen Lavretsky, Kenneth Yue, Amir Huda, John Curran, Talaignair N. Venkatraman, Laverne Estanol, Jim Mintz, Michael S. Mega, Arthur W. Toga	2002	135
16	Neuropsychiatric features of corticobasal degeneration Journal of Neurology Neurosurgery & Psychiatry ·Irene Litvan, Jeffrey L. Cummings, Michael S. Mega	1998	110
17	Behavioral Disorders and Caregivers' Reaction in Taiwanese Patients With Alzheimer's Disease International Psychogeriatrics ·Jong‐Ling Fuh, Ching-Kuan Liu, Michael S. Mega, Shuu‐Jiun Wang, Jeffrey L. Cummings	2001	107
18	Left Frontotemporal Hypoperfusion Is Associated With Aggression in Patients With Dementia Archives of Neurology ·Nobutsugu Hirono, Michael S. Mega, Ivo D. Dinov, Fred S. Mishkin, Jeffrey L. Cummings	2000	99
19	Agitation in Alzheimer’s Disease Is a Manifestation of Frontal Lobe Dysfunction Dementia and Geriatric Cognitive Disorders ·Vorapun Senanarong, Jeffrey L. Cummings, Lynn A. Fairbanks, Michael S. Mega, Donna Masterman, Susan O’Connor, Tony L. Strickland	2003	91
20	Mapping Histology to Metabolism: Coregistration of Stained Whole-Brain Sections to Premortem PET in Alzheimer's Disease NeuroImage ·Michael S. Mega, Sylvia S Chen, Paul M. Thompson, Roger P. Woods, Timur J. Karaca, Abhishek Tiwari, Harry V. Vinters, Gary W. Small, Arthur W. Toga	1997	90

About Michael S. Mega

Michael S. Mega is a scholar working on Psychiatry and Mental health, Cognitive Neuroscience, Radiology, Nuclear Medicine and Imaging, Physiology and Neurology, having authored 59 papers that have together received 11.9k indexed citations. Recurring topics across this work include Dementia and Cognitive Impairment Research (21 papers), Functional Brain Connectivity Studies (19 papers), Alzheimer's disease research and treatments (13 papers), Advanced Neuroimaging Techniques and Applications (7 papers), Neurological disorders and treatments (6 papers), Medical Image Segmentation Techniques (6 papers), Medical Imaging Techniques and Applications (5 papers) and Memory and Neural Mechanisms (5 papers). The work is most often cited by research in Psychiatry and Mental health (7.0k citations), Cognitive Neuroscience (3.1k citations), Neurology (1.2k citations), Neurology (1.9k citations) and Physiology (3.1k citations). Michael S. Mega has collaborated with scholars based in United States, Taiwan and Italy. Frequent co-authors include Jeffrey L. Cummings, Jeffrey Gornbein, Kevin F. Gray, Susan Rosenberg-Thompson, Jeffrey L. Cummings, Paul M. Thompson, Arthur W. Toga, Roger P. Woods, Donna Masterman and Irene Litvan. Their work appears in journals such as Neurology, NeuroImage, Journal of Neuropsychiatry, Journal of Neurology Neurosurgery & Psychiatry and Journal of Computer Assisted Tomography.

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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