|Homocysteine and the brain in midadult life: evidence for an increased risk of leukoaraiosis in men|
P Sachdev, R Parslow, C Salonikas, O Lux, W Wen, R Kumar, D Naidoo, ...
Archives of neurology 61 (9), 1369-1376, 2004
|Corpus callosum size, reaction time speed and variability in mild cognitive disorders and in a normative sample|
KJ Anstey, HA Mack, H Christensen, SC Li, C Reglade-Meslin, J Maller, ...
Neuropsychologia 45 (8), 1911-1920, 2007
|Risk factors of transition from normal cognition to mild cognitive disorder: the PATH through Life Study|
N Cherbuin, C Reglade-Meslin, R Kumar, P Jacomb, S Easteal, ...
Dementia and geriatric cognitive disorders 28 (1), 47-55, 2009
|Akathisia and second-generation antipsychotic drugs|
R Kumar, PS Sachdev
Current opinion in psychiatry 22 (3), 293-299, 2009
|Benign brain tumours and psychiatric morbidity: a 5-years retrospective data analysis|
RK Gupta, R Kumar
Australian & New Zealand Journal of Psychiatry 38 (5), 316-319, 2004
|Prevalence of mild cognitive impairment in 60-to 64-year-old community-dwelling individuals: The Personality and Total Health through Life 60+ Study|
R Kumar, KBG Dear, H Christensen, S Ilschner, AF Jorm, C Meslin, ...
Dementia and geriatric cognitive disorders 19 (2-3), 67-74, 2005
|Pulmonary function, cognitive impairment and brain atrophy in a middle-aged community sample|
PS Sachdev, KJ Anstey, RA Parslow, W Wen, J Maller, R Kumar, ...
Dementia and geriatric cognitive disorders 21 (5-6), 300-308, 2006
|Association of type 2 diabetes with depression, brain atrophy, and reduced fine motor speed in a 60-to 64-year-old community sample|
R Kumar, KJ Anstey, N Cherbuin, W Wen, PS Sachdev
The American Journal of Geriatric Psychiatry 16 (12), 989-998, 2008
|MRI hyperintensities and depressive symptoms in a community sample of individuals 60–64 years old|
AF Jorm, KJ Anstey, H Christensen, G de Plater, R Kumar, W Wen, ...
American Journal of Psychiatry 162 (4), 699-705, 2005
|Subsyndromal depression in old age: clinical significance and impact in a multi-ethnic community sample of elderly Singaporeans|
SK Chuan, R Kumar, N Matthew, KE Heok, NT Pin
International psychogeriatrics 20 (1), 188-200, 2008
|Weekly alcohol consumption, brain atrophy, and white matter hyperintensities in a community-based sample aged 60 to 64 years|
KJ Anstey, AF Jorm, C Réglade-Meslin, J Maller, R Kumar, C von Sanden, ...
Psychosomatic Medicine 68 (5), 778-785, 2006
|Volumetrics of the caudate nucleus: reliability and validity of a new manual tracing protocol|
JCL Looi, O Lindberg, B Liberg, V Tatham, R Kumar, J Maller, E Millard, ...
Psychiatry Research: Neuroimaging 163 (3), 279-288, 2008
|Differential item functioning of the Geriatric Depression Scale in an Asian population|
BFP Broekman, SZ Nyunt, M Niti, AZ Jin, SM Ko, R Kumar, CSL Fones, ...
Journal of affective disorders 108 (3), 285-290, 2008
|Depression in mild cognitive impairment in a community sample of individuals 60-64 years old|
R Kumar, AF Jorm, RA Parslow, PS Sachdev
International psychogeriatrics 18 (3), 471, 2006
|Life event stress and chronic obstructive pulmonary disease (COPD): associations with mental well-being and quality of life in a population-based study|
Y Lu, MSZ Nyunt, X Gwee, L Feng, L Feng, EH Kua, R Kumar, TP Ng
BMJ open 2 (6), 2012
|Follow-up of mild cognitive impairment and related disorders over four years in adults in their sixties: the PATH Through Life Study|
KJ Anstey, N Cherbuin, H Christensen, R Burns, C Reglade-Meslin, ...
Dementia and geriatric cognitive disorders 26 (3), 226-233, 2008
|Characterizing mild cognitive disorders in the young-old over 8 years: prevalence, estimated incidence, stability of diagnosis, and impact on IADLs|
KJ Anstey, N Cherbuin, R Eramudugolla, K Sargent-Cox, S Easteal, ...
Alzheimer's & Dementia 9 (6), 640-648, 2013
|Resilience, stressful life events, and depressive symptomatology among older Chinese adults|
ML Lim, D Lim, X Gwee, MSZ Nyunt, R Kumar, TP Ng
Aging & Mental Health 19 (11), 1005-1014, 2015
|Biomarkers of mild cognitive impairment and Alzheimer's disease|
BL Tang, R Kumar
Ann Acad Med Singapore 37 (5), 406-5, 2008
|Clinical and neuroimaging correlates of mild cognitive impairment in a middle-aged community sample: the personality and total health through life 60+ study|
R Kumar, RA Parslow, AF Jorm, SJ Rosenman, J Maller, C Meslin, ...
Dementia and Geriatric Cognitive Disorders 21 (1), 44-50, 2006