Asymptomatic stroke can aggravate the severity of apathy in patients with Alzheimer's disease

Female Gender 81 (64.8%) Mean age (years) 74.22 (6.88) Mean years of education 6.78 (5.57) MMSE 18.53 (4.99) CDR 0.88 (0.43) Vascular risk factors Hypertension 81 (64.8%) Type 2 diabetes mellitus 27 (21.6%) Asymptomatic stroke 11 (8.8%) Cardiac events 19 (15.2%) Abnormal homocysteine level 16 (12.8%) E4 allele of the Apoprotein E 49 (39.2%) Yen Ying Lim, Karra Harrington, Kathryn Ellis, David Ames, Tim Ashwood, Judith Jaeger, Rebecca Lachovitzki, Ralph Martins, Colin Masters, Christopher Rowe, Greg Savage, Cassandra Szoeke, Victor Villemagne, David Darby, Paul Maruff, University of Melbourne, Parkville, Australia; The Mental Health Research Insititute of Victoria, Melbourne, Australia; Mental Health Research Institute, Parkville, Australia; National Ageing Research Institute, Parkville, Australia; AstraZeneca, Sodertalje, Sweden; AstraZeneca, Wilmington, Delaware, United States; Edith Cowan University, Joondalup, Australia; Edith Cowan University, Perth, Australia; Centre for Neuroscience, Carlton South, Australia; Austin Health, Heidelberg, Australia; Macquarie Cognitive Science (MACCS), Sydney, NSW, Australia; Austin Health, Melbourne, Australia; CogState Ltd., Melbourne Victoria, Australia; CogState Ltd., Melbourne, Australia.