Alexander Ivan B. Posis

Also affiliated with Naval Health Research Center, University of California, Davis

MedicineSocial SciencesNeurosciencePsychology

Pilot corpus only

This score is computed over theSindex pilot corpus and does not cover the full scientific literature. Scores are relative to papers we have ingested — papers, authors, and institutions outside the pilot are not represented. Methodology.

Top 100%percentile

0Author DataRank

Indexed papers

0in pilot corpus

datarank_citation_only_1hop_v6· scope data_onlyMethodology

Papers

Driven by 14 papers. Top paper: “Associations of Accelerometer-Measured Physical Activity and Sedentary Time With All-Cause Mortality by Genetic Predisposition for Longevity”.

Associations of Accelerometer-Measured Physical Activity and Sedentary Time With All-Cause Mortality by Genetic Predisposition for Longevity

Journal of Aging and Physical Activity(2022)10.1123/japa.2022-0067

N/A

0.328DataRank · unranked

5 citations

John Bellettiere, Rany M. Salem, Michael J. Lamonte, JoAnn E. Manson, Ramon Casanova +3 more

Loneliness, social isolation, and cardiovascular disease among nonveteran and Veteran women

Journal of Women & Aging(2024)10.1080/08952841.2024.2336655

N/A

0.269DataRank · unranked

5 citations

Alexander Ivan B. Posis, Steve Nguyen, Julie C. Weitlauf, John Bellettiere, Nazmus Saquib +7 more

Depressive symptoms are associated with hippocampal volume in the oldest-old: The LifeAfter90 study

Psychiatry Research Neuroimaging(2025)10.1016/j.pscychresns.2025.111967

N/A

0.241DataRank · unranked

4 citations

L. Paloma Rojas‐Saunero, Yi Lor, Kristen M. George, Paola Gilsanz, Pauline Maillard +3 more

The association of leukocyte telomere length with exceptional longevity among older women

GeroScience(2023)10.1007/s11357-023-00964-6

N/A

0.238DataRank · unranked

3 citations

Andrea Z. LaCroix, Bernhard Haring, Jean Wactawski‐Wende, JoAnn E. Manson, Alexander Ivan B. Posis +2 more

Psychometric Analysis of the Modified Differential Emotions Scale and the Six-Item Life Orientation Test-Revised in a Cohort of Older Women from the Women's Health Initiative

Journal of Women s Health(2023)10.1089/jwh.2023.0056

N/A

0.208DataRank · unranked

3 citations

Natalie M. Yarish, Rita Ryu, Hilary A. Tindle, Yvonne L. Michael, Jean Wactawski‐Wende +2 more

Does education promote resilience and brain health in those with exceptional longevity? The LifeAfter90 study

Alzheimer s & Dementia(2025)10.1002/alz.70820

N/A

0.104DataRank · unranked

1 citations

Alexander Ivan B. Posis, Hilary Colbeth, Kristen M. George, Adam M. Brickman, Pauline Maillard +5 more

Associations of history of traumatic brain injury with markers of brain health among older men in the Vietnam Era Twin Study of Aging

NeuroImage Clinical(2025)10.1016/j.nicl.2025.103831

N/A

0DataRank · unranked

0 citations

Jeremy A. Elman, John E. Alcaraz, Humberto Parada, Aladdin H. Shadyab, Christine Fennema‐Notestine +8 more

The Mediating Role of SES on the Relationship between Pregnancy History and Later Life Cognition

medRxiv(2021)10.1101/2021.09.29.21264303

N/A

0DataRank · unranked

0 citations

Ursula G. Saelzler, Aladdin H. Shadyab, Alexander Ivan B. Posis, Erin E. Sundermann, Sarah J. Banks +2 more

Is grip strength a marker for cognitive function, neurodegeneration, and resilience?

GeroScience(2025)10.1007/s11357-025-02057-y

N/A

0DataRank · unranked

0 citations

Hilary Colbeth, Mihika Deshpande, Kristen M. George, Batool Rizvi, Rifat Alam +6 more

Effusion-synovitis worsening mediates the association between body mass index and Kellgren-Lawrence progression in obese individuals: data from the Osteoarthritis Initiative

Osteoarthritis and Cartilage(2022)10.1016/j.joca.2022.05.011

N/A

0DataRank · unranked

29 citations

Alecio F. Lombardi, Alexander Ivan B. Posis, Aladdin H. Shadyab, Eric Y. Chang, Nancy E. Lane +2 more

Association of Social Support with Mild Cognitive Impairment and Dementia Among Older Women: The Women’s Health Initiative Memory Study

Journal of Alzheimer s Disease(2022)10.3233/jad-220967

N/A

0DataRank · unranked

10 citations

Natalie M. Yarish, Linda K. McEvoy, Purva Jain, Candyce H. Kroenke, Nazmus Saquib +7 more

Multimorbidity, Social Engagement, and Age-Related Cognitive Decline in Older Adults from the Rancho Bernardo Study of Healthy Aging

Journal of Alzheimer s Disease(2024)10.3233/jad-230809

N/A

0DataRank · unranked

12 citations

Aladdin H. Shadyab, Humberto Parada, John E. Alcaraz, William S. Kremen, Linda K. McEvoy +1 more

Infrapatellar fat pad size and subcutaneous fat in knee osteoarthritis radiographic progression: data from the osteoarthritis initiative

Arthritis Research & Therapy(2024)10.1186/s13075-024-03367-w

N/A

0DataRank · unranked

7 citations

M. Banuls-Mirete, Alecio F. Lombardi, Alexander Ivan B. Posis, Eric Y. Chang, Nancy E. Lane +2 more

Association Between Traumatic Brain Injury and Cognitive Decline Among Middle-to-Older Aged Men in the Vietnam Era Twin Study of Aging

Neurotrauma Reports(2024)10.1089/neur.2024.0034

N/A

0DataRank · unranked

0 citations

John E. Alcaraz, Humberto Parada, Aladdin H. Shadyab, Jeremy A. Elman, Matthew S. Panizzon +5 more