Publications
- Socioeconomic and clinical predictors of all-cause mortality among older adults in India from 2017 to 2024: the importance of cognitive health and dementia
Nichols E, Dey S, Khobragade P, et al
The Journals of Gerontology: Series A Biological Sciences & Medical Sciences, 2026
DOI: 10.1093/gerona/glag026
- The exposome of brain aging across 34 countries
Legaz A, Moguilner S, Barttfeld P, et al
Nature Medicine, 2026
DOI: 10.1038/s41591-026-04302-z
- Seven routine blood markers predict five-year mortality in older Indians: a risk score from the LASI-DAD cohort
Jain B, Dey S, Dey A
Research Square, 2026
DOI: 10.21203/rs.3.rs-9979288/v1
- Risk and protective factors for cognitive decline in older adults from a nationally representative sample in India: Results from the LASI‐DAD
Gross AL, Nichols E, Arce Rentería M, et al
Alzheimer's & Dementia, 2026
DOI: 10.1002/alz.71602
- Recommended best practices for construct-centered adaptation of the Harmonized Cognitive Assessment Protocol
Briceño EM, Bassil DT, Khobragade P, et al
The Journals of Gerontology: Series B Psychological Sciences & Social Sciences , 2026
DOI: 10.1093/geronb/gbaf201
- Plasma‐based neurobiological protein biomarkers as predictors of dementia progression: Insights from longitudinal aging study in India – Diagnostic assessment of dementia
Pradhan R, Anwar M, Rao AR, et al
Alzheimer's & Dementia, 2026
DOI: 10.1002/alz.71650
- Missing data and imputation in the international studies following the Harmonized Cognitive Assessment Protocol
Meijer E, Liu Y
The Journals of Gerontology: Series B Psychological Sciences & Social Sciences, 2026
DOI: 10.1093/geronb/gbaf223
- Longitudinal Associations Between Neurodegenerative Biomarkers and Cognitive Decline in Older Adults: Insights From the LASI-DAD Study
Rao AR, Pradhan R, Anwar M, et al
Journal of the American Geriatrics Society, 2026
DOI: 10.1111/jgs.70336
- Intrinsic capacity and survival among older adults in India: LASI-DAD study (wave 1 and wave 2)
Rao AR, Bhagwasia M, Rao A, Waris M, Kiruthika S, George S, Vedula M, Biswal S, Mallick R, Ranganatha TS, Chakrawarty A, Lee J, Dey S, Dey AB
Lancet Regional Health - Southeast Asia, 2026
DOI: 10.1016/j.lansea.2026.100775
- Indian‐enriched genetic variants are associated with cognitive function
Abu‐Amara H, Zhao W, Li Z, et al
Alzheimer's & Dementia, 2026
DOI: 10.1002/alz.71115
- Harmonized Cognitive Assessment Protocol: What makes an HCAP an HCAP? An adaptive architecture for measuring cognitive aging around the world
Gross AL, Mani SS, Weir D, et al
The Journals of Gerontology: Series B Psychological Sciences & Social Sciences, 2026
DOI: 10.1093/geronb/gbaf202
- Epigenetic aging and blood based neurodegeneration markers in LASI-DAD
Kim JK, Arpawong TE, Thyagarajan B, et al
The Journal of Prevention of Alzheimer's Disease, 2026
DOI: 10.1016/j.tjpad.2026.100595
- Development of a food composition database for nutrient analysis of dietary intake among older Indians: The LASI-DAD diet study
Logan D, Banerjee J, Chutani AM, Kapur K, Lee J, Dey AB, McEvoy C
Journal of Food Composition and Analysis, 2026
DOI: 10.1016/j.jfca.2026.109228
- Deconstructing bilingualism and its sociocultural determinants in cognitive aging and Alzheimer's disease and related dementias
Arce Rentería M, Strangmann IM, Ghazi Saidi L, et al
Alzheimer's & Dementia, 2026
DOI: 10.1002/alz.71393
- Cognitive Function and Neurodegenerative Blood Biomarkers in an Aging Indian Population: Insights From LASI-DAD Wave 2
Rao AR, Pradhan R, Anwar M, et al
Journal of the American Geriatrics Society, 2026
DOI: 10.1111/jgs.70339
- Association between neurofilament light chain, glial fibrillary acidic protein, and sarcopenia in older Indian adults: evidence from LASI-DAD
Rao AR, Bhagwasia M, Anwar M, et al
BMC Geriatrics, 2026
DOI: 10.1186/s12877-026-07151-0
- Cross-sectional associations between lifecourse dementia risk factors, plasma neurodegenerative biomarkers, and cognition in older adults in India
Gao S, Gross AL, Aksman LM, Anwar M, Crimmins EM, Dey S, Gupta A, Thyagarajan B, Lee J, Nichols E
Journal of Alzheimer's Disease, 2026
DOI: 10.1177/13872877251393588
- Cardiometabolic-Inflammatory Risk Factors and Cognitive Decline Among Older Indians—Report From a Nationally Representative, Longitudinal Study
Banerjee J, Kim JK, Nichols E, Khobragade P, Dey AB, Dey S, Crimmins EM, Flood D, Langa KM, Lee J, Hu P
Journal of the American Geriatrics Society, 2026
DOI: 10.1111/jgs.70249
- The relationship between anaemia, haemoglobin levels, and cognitive function: Evidence in two population-based cohorts from India and the United States
Winchester LM, Newby D, Ghose U, Hu P, Green H, Chien S, Ranson JM, Faul J, Llewellyn D, Lee J, Bauermeister S, Nevado‑Holgado A
Neurobiology of Disease, 2025
DOI: 10.1016/j.nbd.2025.107112
- The association between multilingualism and cognitive function among literate and illiterate older adults with low education in India
Strangmann IM, Briceño E, Petrosyan S, Meijer E, Rentería MA
Alzheimer's & Dementia, 2025
DOI: 10.1002/bsa3.70018
- The association between adult child education and cognitive functioning among older parents: A cross-national comparison of diverse contexts
Nichols E, Romero KRF, Dipti Govil, Jinkook Lee, Jaqueline M Torres
Alzheimer's & Dementia, 2025
DOI: 10.1002/alz.14562
- The Association of Multilingualism With Diverse Language Families and Cognition Among Adults With and Without Education in India.
Petrosyan S, Strangmann IM, Nichols E, Meijer E, Briceño EM, Narayanan S, Lee J, Arce Rentería M
Neuropsychology, 2025
DOI: 10.1037/neu0000988
- Revisiting the Evolution of Lactase Persistence: Insights from South Asian Genomes
Kerdoncuff E, Marohn M, Cramer N, et al
bioRxiv, 2025
DOI: 10.1101/2025.11.05.686799
- Region-based analysis with functional annotation identifies genes associated with cognitive function in cohort of South Asians from India
Abu-Amara H, Zhao W, Li Z, et al
Genes, 2025
DOI: 10.3390/genes16060640
- Prevalence and causes of anemia among older adults in India: findings from wave 2 of the Harmonized Diagnostic Assessment of Dementia for the Longitudinal Aging Study in India (LASI-DAD)
Dhankhar A, Khobragade P, Chopra G, et al
International Journal for Equity in Health, 2025
DOI: 10.1186/s12939-025-02671-4
- Particulate Air Pollution from Different Emission Sources, Cognitive Performance, and Cognitive Declines in India
Zhang B, Adar SD, Nichols E, Gross AL, Shaddick G, Thomas ML, D’Souza J, Petrosyan S, Chien S, Weerman A, Langa KM, Dey AB, Dey S, Lee J
Environment International, 2025
DOI: 10.1016/j.envint.2025.109826
- Methodology of community-based venous blood specimen collection for the harmonized diagnostic assessment of dementia for the Longitudinal Aging Study in India (LASI-DAD): Wave 2
Dhankhar A, Khobragade P, Banerjee J, Chopra G, Jacob S, Dey AB, Lee J, Crimmins E, Thyagarajan B, Dey S, Hu P
PLOS One, 2025
DOI: 10.1371/journal.pone.0326917
- Methodological considerations of diet assessment of the older Indian population in the longitudinal aging study in India—Harmonised Diagnostic Assessment of Dementia (LASI-DAD)
Banerjee J, Chutani AM, McEvoy C, Logan D, Khobragade P, Jacob S, Dhankhar A, Vishwakarma H, Chien S, Petrosyan S, Markot M, Agrawat D, Deka AJ, Alam K, Mohan BM, Ali I, Weerman B, Hu P, Dey S, Lee J, Dey AB
BMC Public Health, 2025
DOI: 10.1186/s12889-025-24970-9
- Impact of hemolysis on the levels of proteins associated with aging and age-related neurodegenerative diseases in a multicentric clinical research
Anwar M, Renu Km, Singh AK, Nayal A, Thyagarajan B, Hu P, Lee J, Dey S, Dey AB
Practical Laboratory Medicine, 2025
DOI: 10.1016/j.plabm.2025.e00455
- Immigration, acculturation, and diabetes: a comparative study of diabetes prevalence among Asian Indian immigrants living in the United States and native-born populations in India and the United States
Nichols E, Green H, Jin H, Flood D, Mayeda ER, Glymour MM, Kandula NR, Kanaya AM, Lee J
SSM - Population Health, 2025
DOI: 10.1016/j.ssmph.2025.101777
- Estimating cognitive decline in longitudinal studies with high mortality and a long interwave period: A comparison of approaches and considerations around integrating end-of-life interview data
Nichols E, Gross AL, Hayes-Larson E, Meijer E, Kobayashi LC, Lee J
Alzheimer's & Dementia, 2025
DOI: 10.1002/alz.70951
- Dual sensory loss and cognitive performance among older adults in India
Myers C, Zhang W, Nagarajan N, Lee J, Dey AB, Dey S, Prakash J, Khobragade P, Dhankhar A, Reed NS, Ehrlich J
Journal of Alzheimer's Disease, 2025
DOI: 10.1177/13872877251362829
- Dementia caregiving in India: New evidence from a national representative sample
Angrisani M, Reed NS, Banerjee J, Lee J
Alzheimer's and Dementia, 2025
DOI: 10.1002/alz.70266
- Dementia ascertainment in India and development of nation-specific cutoffs: A machine learning and diagnostic analysis
Maupin D, Gao H, Nichols E, Gross AL, Meijer E, Jin H
Alzheimer's and Dementia: Diagnosis, Assessment & Disease Monitoring, 2025
DOI: 10.1002/dad2.70049
- Can speech foundation models effectively identify languages in low-resource multilingual aging populations?
Kommineni A, Hebbar R, Petrosyan S, Khobragade P, Kadiri S, Arce Rentería M, Lee J, Narayanan S
JASA Express Letters, 2025
DOI: 10.1121/10.0039265
- Associations between blood-based neurodegenerative biomarkers and cognitive functioning and decline in India
Nichols E, Lee J, Gross AL, Anwar M, Crimmins EM, Thyagarajan B, Dey S
Journal of Alzheimer's Disease, 2025
DOI: 10.1177/13872877251361934
- Association of blood-based neurodegenerative biomarkers with cognitive functioning and dementia in India (LASI-DAD) and the United States (HRS)
Kim JK, Anwar M, Gupta A, et al
American Journal of Epidemiology, 2025
DOI: 10.1093/aje/kwaf179
- Alzheimer's Disease Sequencing Project release 4 whole genome sequencing dataset
Leung YY, Lee WP, Kuzma AB, et al
Alzheimer's & Dementia, 2025
DOI: 10.1002/alz.70237
- A reference panel for linkage disequilibrium and genotype imputation using whole-genome sequencing data from 2,680 participants across India
Li Z, Zhao W, Zhou X, et al
bioRxiv, 2025
DOI: 10.1016/j.xhgg.2026.100579
- 50,000 years of evolutionary history in India: Impact on health and disease variation
Kerdoncuff E, Skov L, Patterson N, et al
Cell, 2025
DOI: 10.1016/j.cell.2025.04.027
- Trajectories and correlates of poor mental health in India over the course of the COVID-19 pandemic: a nationwide survey
Nichols E, Petrosyan S, Khobragade P, Banerjee J, Angrisani M, Dey S, Bloom DE, Schaner S, Dey AB, Lee J
BMJ Global Health, 2024
DOI: 10.1136/bmjgh-2023-013365
- The economic burden of dementia in India.
Angrisani M, Casanova M, Lee J, Meijer E
AEA Papers and Proceedings, 2024
DOI: 10.1257/pandp.20241061
- The association between BMI and cognition in India: data from the Longitudinal Aging Study in India (LASI)
Nichols E, Gross AL, Hu P, Sekher TV, Dey AB, Lee J
BMC Public Health, 2024
DOI: 10.1186/s12889-024-20101-y
- The Influence of Vision Impairment on the Measurement of Cognition in Older Adults in India: Findings From LASI-DAD.
Ehrlich JR, Nichols E, Chen Y, et al.
Innovation in Aging, 2024
DOI: 10.1093/geroni/igae071
- Prevalence of DSM-5 mild and major neurocognitive disorder in India: Results from the LASI-DAD.
Gross AL, Nichols E, Angrisani M, Ganguli M, Jin H, Khobragade P, Langa KM, Meijer E, Varghese M, Dey AB, Lee J.
PLoS One, 2024
DOI: 10.1371/journal.pone.0297220
- Modifiable risk factors for dementia in India: Revisiting estimates and reassessing prevention potential and priorities
Angrisani M, Gross AL, Meijer E, Nichols E, Ehrlich JR, Varghese M, Langa KM, Dey AB, Adar SD, Lee J
BMJ Public Health, 2024
DOI: 10.1136/bmjph-2024-001362
- Mental health impacts of COVID-19: Does pre-pandemic cognition and dementia status matter?
Nichols E, Petrosyan S, Lee J
Journal of Gerontology: Medical Sciences, 2024
DOI: 10.1093/Gerona/glae028
- Lifetime occupational skill and later-life cognitive function among older adults in the United States, Mexico, India, and South Africa
Kobayashi LC, O'Shea BQ, Wixom C, Jones RN, Langa KM, Weir D, Lee J, Wong R, Gross AL
Alzheimer's & Dementia, 2024
DOI: 10.1002/alz.13665
- Effect of apolipoprotein E ε4 and its modification by sociodemographic characteristics on cognitive measures in South Asians from LASI-DAD.
Wang YZ, Zhao W, Moorjani P, Gross AL, Zhou X, Dey AB, Lee J, Smith JA, Kardia SLR
Alzheimer’s & Dementia: The Journal of the Alzheimer’s Association, 2024
DOI: 10.1002/alz.14052
- Design and methodology of the Harmonized Diagnostic Assessment of Dementia for the Longitudinal Aging Study in India: Wave 2.
Khobragade P, Petrosyan S, Dey S, Dey AB, Lee J.
Journal of Geriatric Society of America, 2024
DOI: 10.1111/jgs.19252
- Cross-national comparisons of later-life cognitive function using data from the Harmonized Cognitive Assessment Protocol (HCAP): Considerations and recommended best practices
Kobayashi LC, Jones RN, Briceño EM, Arce Rentería M, Zhang Y, Meijer E, Langa KM, Lee J, Gross AL
Alzheimer's & Dementia, 2024
DOI: 10.1002/alz.13694
- Considerations for the use of the Informant Questionnaire on Cognitive Decline in the Elderly (IQCODE) in cross-country comparisons of cognitive aging and dementia.
Nichols E, Gross AL, Zhang YS, et al.
Alzheimer's & Dementia, 2024
DOI: 10.1002/alz.13895
- Added value of timing data for the estimation of cognitive functioning in survey research.
Nichols E, Markot M, Gross AL, Jones R, Schneider S, Lee J
Innovation in Aging, 2024
DOI: 10.1093/geroni/igae098.1457
- The prevalence of frailty and its relationship with sociodemographic factors, regional healthcare disparities, and healthcare utilization in the aging population across India
Singhal S, Singh S, Dewangan GC, et al
Aging Medicine, 2023
DOI: 10.1002/agm2.12263
- Prevalence of dementia in India: National and state estimates from a nationwide study
Lee J, Meijer E, Langa KM, et al
Alzheimer's & Dementia, 2023
DOI: 10.1002/alz.12928
- Polygenic Risk Scores for Alzheimer’s Disease and General Cognitive Function Are Associated With Measures of Cognition in Older South Asians
Zhao W, Smith JA, Wang YZ, Chintalapati M, Ammous F, Yu M, Moorjani P, Ganna A, Gross AL, Dey S, Benerjee J, Chatterjee P, Dey AB, Lee J, Kardia SLR
The Journals of Gerontology: Series A, 2023
DOI: 10.1093/gerona/glad057
- Measurement differences in the assessment of functional limitations for cognitive impairment classification across geographic locations
Nichols E, Ng DK, Hayat S, Langa KM, Lee J, Steptoe A, Deal JA, Gross AL
Alzheimer's & Dementia, 2023
DOI: 10.1002/alz.12994
- Investigating the factors that explain white matter hyperintensity load in older Indians
Aksman L, Lynch K, Toga A, Dey AB, Lee J
Brain Communications, 2023
DOI: 10.1093/braincomms/fcad008
- Harmonisation of later-life cognitive function across national contexts: results from the Harmonized Cognitive Assessment Protocols
Gross AL, Li C, Briceño EM, Arce Rentería M, Jones RN, Langa KM, Manly JJ, Nichols E, Weir D, Wong R, Berkman L, Lee J, Kobayashi LC
The Lancet. Healthy Longevity, 2023
DOI: 10.1016/S2666-7568(23)00170-8
- Estimating the Prevalence of Dementia in India Using a Semi-Supervised Machine Learning Approach
Jin H, Crimmins E, Langa KM, Dey AB, Lee J
Neuroepidemiology, 2023
DOI: 10.1159/000528904
- Defining anthropometric thresholds (mid-arm circumference and calf circumference) in older adults residing in the community: a cross-sectional analysis using data from the population representative Longitudinal Aging Study in India (LASI DAD)
Bhagwasia M, Rao AR, Banerjee J, et al
BMJ Open, 2023
DOI: 10.1136/bmjopen-2023-077530
- Deep phenotyping and genomic data from a nationally representative study on dementia in India
Lee J, Petrosyan S, Khobragade P, et al
Scientific Data, 2023
DOI: 10.1038/s41597-023-01941-6
- Cohort Profile: Real-Time Insights of COVID-19 in India (RTI COVID-India)
Banerjee J, Petrosyan S, Rao AR, Jacob S, Khobragade PY, Weerman B, Chien S, Angrisani M, Agarwal A, Madan N, Sethi T, Dey S, Schaner S, Bloom DE, Lee J, Dey AB
BMC Public Health, 2023
DOI: 10.1186/s12889-023-15084-1
- Association Between Cognitive Performance and Nutritional Status: Analysis From LASI-DAD
Bhagwasia M, Rao AR, Banerjee J, et al
Gerontology and Geriatric Medicine, 2023
DOI: 10.1177/23337214231194965
- Performance of the Informant Questionnaire on Cognitive Decline for the Elderly (IQCODE) in a nationally representative study in India: the LASI-DAD study
Khobragade P, Nichols E, Meijer E, Varghese M, Banerjee J, Dey AB, Lee J, Gross AL, Ganguli M
International Psychogeriatrics, 2022
DOI: 10.1017/S1041610222000606
- Linear linking for related traits (LLRT): A novel method for the harmonization of cognitive domains with no or few common items
Nichols E, Cadar D, Lee J, Jones RN, Gross AL
Methods, 2022
DOI: 10.1016/j.ymeth.2021.11.011
- How much of the female disadvantage in late-life cognition in India can be explained by education and gender inequality
Jain U, Angrisani M, Langa KM, Sekher TV, Lee J
Scientific Reports, 2022
DOI: 10.1038/s41598-022-09641-8
- Discrepancy in Fluid and Crystallized Intelligence: An Early Cognitive Marker of Dementia from the LASI-DAD Cohort
Bajpai S, Upadhayay AD, Banerjee J, Chakrawarthy A, Chatterjee P, Lee J, Dey AB
Dementia and Geriatric Disorders Extra, 2022
DOI: 10.1159/000520879
- Differences in the measurement of cognition for the assessment of dementia across geographic contexts: Recommendations for cross-national research
Nichols E, Ng DK, Hayat S, Langa KM, Lee J, Steptoe A, Deal JA, Gross AL
Alzheimer's & Dementia, 2022
DOI: 10.1002/alz.12740
- Cross-national harmonization of cognitive measures across HRS HCAP (USA) and LASI-DAD (India)
Vonk JMJ, Gross AL, Zammit AR, et al
PloS One, 2022
DOI: 10.1371/journal.pone.0264166
- Blood pressure and cognitive function among older adults in India
Farron MR, Kabeto MU, Levine DA, Wixom CR, Langa KM
Journal of International Medical Research, 2022
DOI: 10.1177/03000605211068720
- Adherence to COVID-19 protective behaviours in India from May to December 2020: evidence from a nationally representative longitudinal survey
Schaner S, Theys N, Angrisani M, Banerjee J, Khobragade PY, Petrosyan S, Agarwal A, Chien S, Weerman B, Chakrawarty A, Chatterjee P, Madaan N, Bloom D, Lee J, Dey AB
BMJ Open, 2022
DOI: 10.1136/bmjopen-2021-058065
- The Association of Cognitive and Visual Function in a Nationally Representative Study of Older Adults in India
Ehrlich JR, Ndukwe T, Chien S, Lee J
Neuroepidemiology, 2021
DOI: 10.1159/000513813
- Reply to: Comment on: Sex differences in cognitive health among older adults in India
Angrisani M, Jain U, Lee J
Journal of American Geriatrics Society, 2021
DOI: 10.1111/jgs.16924
- Learning From Clinical Consensus Diagnosis in India to Facilitate Automatic Classification of Dementia: Machine Learning Study
Jin H, Chien S, Meijer E, Khobragade P, Lee J
JMIR Mental Health, 2021
DOI: 10.2196/27113
- Sex differences in cognitive health among older adults in India
Angrisani M, Jain U, Lee J
Journal of the American Geriatrics Society, 2020
DOI: 10.1111/jgs.16732
- Online clinical consensus diagnosis of dementia: Development and validation
Lee J, Ganguli M, Weerman A, Chien S, Lee DY, Varghese M, Dey AB
Journal of the American Geriatrics Society, 2020
DOI: 10.1111/jgs.16736
- New insights and knowledge on cognition and dementia from population-based cohort of older adults in India
Kenny RA
Journal of the American Geriatrics Society, 2020
DOI: 10.1111/jgs.16733
- Methodological considerations in designing and implementing the Harmonized Diagnostic Assessment of Dementia for Longitudinal Aging Study in India (LASI-DAD)
Banerjee J, Jain U, Khobragade P, et al
Biodemography and Social Biology, 2020
DOI: 10.1080/19485565.2020.1730156
- Measurement and Structure of Cognition in the Longitudinal Aging Study in India–Diagnostic Assessment of Dementia
Gross AL, Khobragade PY, Meijer E, Saxton JA
Journal of the American Geriatrics Society, 2020
DOI: 10.1111/jgs.16738
- Introduction to LASI-DAD: The Longitudinal Aging Study in India-Diagnostic Assessment of Dementia
Lee J, Dey AB
Journal of the American Geriatrics Society, 2020
DOI: 10.1111/jgs.16740
- Hypertension and Cognitive Health Among Older Adults in India
Farron MR, Kabeto MU, Dey AB, Banerjee J, Levine DA, Langa KM
Journal of the American Geriatrics Society, 2020
DOI: 10.1111/jgs.16741
- Design and Methodology of the Longitudinal Aging Study in India-Diagnostic Assessment of Dementia (LASI-DAD)
Lee J, Khobragade PY, Banerjee J, Chien S, Angrisani M, Perianayagam A, Bloom DE, Dey AB
Journal of the American Geriatrics Society, 2020
DOI: 10.1111/jgs.16737
- Cognitive function and cardio-metabolic-inflammatory risk factors among older Indians and Americans
Hu P, Lee J, Beaumaster S, Kim JK, Dey S, Weir D, Crimmins EM
Journal of the American Geriatrics Society, 2020
DOI: 10.1111/jgs.16734
- Association Between Episodic Memory and Genetic Risk Factors for Alzheimer's Disease in South Asians from the Longitudinal Aging Study in India-Diagnostic Assessment of Dementia (LASI-DAD)
Smith JA, Zhao W, Yu M, Rumfelt KE, Moorjani P, Ganna A, Dey AB, Lee J, Kardia SLR
Journal of the American Geriatrics Society, 2020
DOI: 10.1111/jgs.16735
- LASI-DAD study: a protocol for a prospective cohort study of late-life cognition and dementia in India.
Lee J, Banerjee J, Khobragade PY, Angrisani M, Dey AB
BMJ Open, 2019
DOI: 10.1136/bmjopen-2019-030300