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R. Ivnik · SciRah

Researcher profile · Semantic Scholar

R. Ivnik

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R. Ivnik — researcher profile on SciRah

h-index: 94
Works: 264
Citations: 45K

Most-cited papers

Mild cognitive impairment: ten years later.
R. Petersen, R. Roberts, D. Knopman, B. Boeve +4 more
2009Archives of Neurology1,514 citations Open access
Semantic Scholar
The Mayo Clinic Study of Aging: Design and Sampling, Participation, Baseline Measures and Sample Characteristics
Rosebud O. Roberts, Y. Geda, D. Knopman, R. Cha +6 more
2008Neuroepidemiology815 citations Open access
Semantic Scholar
Prevalence of mild cognitive impairment is higher in men
R. Petersen, R. Roberts, D. Knopman, Y. Geda +6 more
2010Neurology744 citations Open access
Semantic Scholar
Detecting Dementia with the Mini-Mental State Examination (MMSE) in Highly Educated Individuals
Sid E. O'Bryant, J. Humphreys, Glenn E. Smith, R. Ivnik +3 more
2008Archives of Neurology709 citations Open access
Semantic Scholar
An Operational Approach to NIA-AA Criteria for Preclinical Alzheimer’s Disease
C. Jack, D. Knopman, Stephen D. Weigand, H. Wiste +10 more
2012Annals of Neurology610 citations Open access
Semantic Scholar
TDP-43 is a key player in the clinical features associated with Alzheimer’s disease
K. Josephs, Jennifer L. Whitwell, S. Weigand, M. Murray +12 more
2014Acta Neuropathologica459 citations Open access
Semantic Scholar
Prevalence of neuropsychiatric symptoms in mild cognitive impairment and normal cognitive aging: population-based study.
Y. Geda, R. Roberts, D. Knopman, R. Petersen +7 more
2008Archives of General Psychiatry442 citations Open access
Semantic Scholar
Assessing the temporal relationship between cognition and gait: slow gait predicts cognitive decline in the Mayo Clinic Study of Aging.
M. Mielke, R. Roberts, R. Savica, R. Cha +10 more
2013The journals of gerontology. Series A, Biological sciences and medical sciences440 citations Open access
Semantic Scholar
Higher risk of progression to dementia in mild cognitive impairment cases who revert to normal
R. Roberts, D. Knopman, M. Mielke, R. Cha +8 more
2014Neurology429 citations Open access
Semantic Scholar
Physical Exercise and Mild Cognitive Impairment: A Population-Based Study
Y. Geda, Rosebud O. Roberts, D. Knopman, Teresa J. H. Christianson +6 more
2010Archives of Neurology407 citations Open access
Semantic Scholar
Distinct anatomical subtypes of the behavioural variant of frontotemporal dementia: a cluster analysis study.
Jennifer L. Whitwell, S. Przybelski, S. Weigand, R. Ivnik +11 more
2009Brain : a journal of neurology306 citations Open access
Semantic Scholar
The incidence of MCI differs by subtype and is higher in men
R. O. Roberts, Y. Geda, D. Knopman, R. Cha +6 more
2012Neurology266 citations Open access
Semantic Scholar
Abnormal TDP-43 immunoreactivity in AD modifies clinicopathologic and radiologic phenotype
K. Josephs, Jennifer L. Whitwell, D. Knopman, William T. Hu +10 more
2008Neurology263 citations Open access
Semantic Scholar
Criteria for Mild Cognitive Impairment Due to Alzheimer’s Disease in the Community
R. C. Petersen, P. Aisen, Brad F. Boeve, Y. Geda +10 more
2013Annals of Neurology252 citations Open access
Semantic Scholar
Short-term clinical outcomes for stages of NIA-AA preclinical Alzheimer disease
D. Knopman, C. Jack, H. Wiste, S. Weigand +9 more
2012Neurology236 citations Open access
Semantic Scholar
Association of type 2 diabetes with brain atrophy and cognitive impairment
R. Roberts, D. Knopman, S. Przybelski, M. Mielke +10 more
2014Neurology209 citations Open access
Semantic Scholar
Probable REM Sleep Behavior Disorder Increases Risk for Mild Cognitive Impairment and Parkinson’s Disease: A Population-Based Study
Brendon Boot, B. Boeve, Rosebud O. Roberts, T. Ferman +10 more
2012Annals of Neurology196 citations Open access
Semantic Scholar
Prominent phenotypic variability associated with mutations in Progranulin.
B. Kelley, Wael N. Haidar, B. Boeve, M. Baker +18 more
2009Neurobiology of Aging193 citations Open access
Semantic Scholar
Association of diabetes with amnestic and nonamnestic mild cognitive impairment
Rosebud O. Roberts, D. Knopman, Y. Geda, R. Cha +7 more
2013Alzheimer's & Dementia182 citations Open access
Semantic Scholar
Diffusion tensor imaging and cognitive function in older adults with no dementia
K. Kantarci, M. Senjem, R. Avula, B. Zhang +11 more
2011Neurology181 citations Open access
Semantic Scholar
Two distinct subtypes of right temporal variant frontotemporal dementia
K. Josephs, Jennifer L. Whitwell, D. Knopman, B. Boeve +7 more
2009Neurology165 citations Open access
Semantic Scholar
Practice effects and longitudinal cognitive change in normal aging vs. incident mild cognitive impairment and dementia in the Mayo Clinic Study of Aging
M. Machulda, V. Pankratz, T. Christianson, R. Ivnik +5 more
2013Clinical Neuropsychologist157 citations Open access
Semantic Scholar
Vegetables, Unsaturated Fats, Moderate Alcohol Intake, and Mild Cognitive Impairment
R. Roberts, Y. Geda, James R. Cerhan, D. Knopman +7 more
2010Dementia and Geriatric Cognitive Disorders156 citations Open access
Semantic Scholar
TDP-43 and pathological subtype of Alzheimer’s disease impact clinical features
K. Josephs, Jennifer L. Whitwell, Nirubol Tosakulwong, Stephen D. Weigand +8 more
2015Annals of Neurology150 citations Open access
Semantic Scholar
Voxel-based morphometry patterns of atrophy in FTLD with mutations in MAPT or PGRN
J. Whitwell, C. Jack, B. Boeve, M. Senjem +7 more
2009Neurology136 citations Open access
Semantic Scholar
Association of C-reactive protein with mild cognitive impairment
Rosebud O. Roberts, Y. Geda, D. Knopman, Brad F. Boeve +6 more
2009Alzheimer's & Dementia123 citations Open access
Semantic Scholar
Engaging in Cognitive Activities, Aging and Mild Cognitive Impairment: A Population-Based Study
Y. Geda, H. Topazian, Robert A. Lewis, Rosebud O. Roberts +7 more
2011The Journal of Neuropsychiatry and Clinical Neurosciences111 citations Open access
Semantic Scholar
MRI and MRS predictors of mild cognitive impairment in a population-based sample
K. Kantarci, S. Weigand, S. Przybelski, G. Preboske +13 more
2013Neurology108 citations Open access
Semantic Scholar
The anatomic correlate of prosopagnosia in semantic dementia
K. Josephs, Jennifer L. Whitwell, P. Vemuri, M. Senjem +6 more
2008Neurology108 citations Open access
Semantic Scholar
Late-Onset Alzheimer Risk Variants in Memory Decline, Incident Mild Cognitive Impairment and Alzheimer Disease
M. Carrasquillo, Julia E. Crook, O. Pedraza, Colleen S. Thomas +15 more
2014Neurobiology of Aging100 citations Open access
Semantic Scholar
Metabolic Syndrome, Inflammation, and Non-Amnestic Mild Cognitive Impairment in Older Persons: A Population-Based Study
R. Roberts, Y. Geda, D. Knopman, R. Cha +5 more
2010Alzheimer Disease and Associated Disorders92 citations Open access
Semantic Scholar
Association of Prior Stroke with Cognitive Function and Cognitive Impairment: A Population-based Study
D. Knopman, R. Roberts, Y. Geda, B. Boeve +5 more
2009Archives of Neurology90 citations Open access
Semantic Scholar
Functional MRI Changes in Amnestic and Non-Amnestic MCI During Encoding and Recognition Tasks
M. Machulda, M. Senjem, S. Weigand, Glenn E. Smith +5 more
2009Journal of the International Neuropsychological Society89 citations Open access
Semantic Scholar
Hippocampal Volumes, Proton Magnetic Resonance Spectroscopy Metabolites, and Cerebrovascular Disease in Mild Cognitive Impairment Subtypes
K. Kantarci, R. Petersen, S. Przybelski, S. Weigand +8 more
2008Archives of Neurology89 citations Open access
Semantic Scholar
Spectrum of cognition short of dementia
D. Knopman, A. Beiser, M. Machulda, J. Fields +14 more
2015Neurology77 citations Open access
Semantic Scholar
Cardiac Disease Increases Risk of Non-amnestic Mild Cognitive Impairment: Stronger impact in women
Rosebud O. Roberts, Y. Geda, D. Knopman, R. Cha +6 more
2013JAMA Neurology73 citations Open access
Semantic Scholar
Robust and expanded norms for the Dementia Rating Scale.
O. Pedraza, J. Lucas, Glenn E. Smith, R. Petersen +2 more
2010Archives of Clinical Neuropsychology73 citations Open access
Semantic Scholar
Atrophy patterns in IVS10+16, IVS10+3, N279K, S305N, P301L, and V337M MAPT mutations
J. Whitwell, C. Jack, B. Boeve, M. Senjem +7 more
2009Neurology73 citations Open access
Semantic Scholar
Magnetic resonance spectroscopy, β-amyloid load, and cognition in a population-based sample of cognitively normal older adults
K. Kantarci, V. Lowe, S. Przybelski, M. Senjem +8 more
2011Neurology66 citations Open access
Semantic Scholar
Association of common KIBRA variants with episodic memory and AD risk
J. Burgess, O. Pedraza, N. Graff-Radford, Meron Hirpa +12 more
2010Neurobiology of Aging62 citations Open access
Semantic Scholar
Predicting functional decline in behavioural variant frontotemporal dementia.
K. Josephs, Jennifer L. Whitwell, S. Weigand, M. Senjem +6 more
2011Brain : a journal of neurology55 citations Open access
Semantic Scholar
Polyunsaturated Fatty Acids and Reduced Odds of MCI: The Mayo Clinic Study of Aging
R. Roberts, James R. Cerhan, Y. Geda, D. Knopman +6 more
2010Journal of Alzheimer's Disease55 citations Open access
Semantic Scholar
Mayo Older Americans Normative Studies: Factor Analysis of an Expanded Neuropsychological Battery
Melanie C. Greenaway, Glenn E. Smith, E. Tangalos, Y. Geda +1 more
2009Clinical Neuropsychologist52 citations Open access
Semantic Scholar
Differential Item Functioning of the Boston Naming Test in Cognitively Normal African American and Caucasian Older Adults
O. Pedraza, N. Graff-Radford, Glenn E. Smith, R. Ivnik +3 more
2009Journal of the International Neuropsychological Society50 citations Open access
Semantic Scholar
Diagnostic Validity of Age- And Education-Corrections for the Mini-Mental State Examination (MMSE) in African American Elders
O. Pedraza, J. H. Clark, Sid E. O'Bryant, Glenn E. Smith +5 more
2011Journal of The American Geriatrics Society49 citations Open access
Semantic Scholar
Evaluation of Memory Endophenotypes for Association with CLU, CR1 and PICALM variants in African-American and Caucasian Subjects
O. Pedraza, M. Allen, Kyle Jennette, M. Carrasquillo +16 more
2013Alzheimer's & Dementia44 citations Open access
Semantic Scholar
What is the quality of life in the oldest old?
Maria I. Lapid, T. Rummans, B. Boeve, Joan Mccormick +6 more
2011International Psychogeriatrics44 citations Open access
Semantic Scholar
Physical Exercise, Aging, and Mild Cognitive Impairment
Y. Geda, R. Roberts, D. Knopman, Teresa J. H. Christianson +6 more
201738 citations
Semantic Scholar
Successful Aging: Definitions and Prediction of Longevity and Conversion to Mild Cognitive Impairment
S. Negash, Glenn E. Smith, S. Pankratz, J. Aakre +6 more
2011The American journal of geriatric psychiatry34 citations Open access
Semantic Scholar
Incidence of dementia among participants and nonparticipants in a longitudinal study of cognitive aging.
D. Knopman, R. Roberts, V. Pankratz, R. Cha +7 more
2014American Journal of Epidemiology33 citations Open access
Semantic Scholar

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R. Petersen×26
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Y. Geda×24
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R. Cha — researcher profile on SciRah

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W. Rocca — researcher profile on SciRah

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M. Senjem — researcher profile on SciRah

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E. Tangalos — researcher profile on SciRah