Sleep Disturbances and Depression Associated With Cognitive Function As Well As Activities of Daily Living in Older Adults With Very Mild to Mild Dementia

Objective: The present study compared cognitive function and the ability to perform daily activities in subjects with very mild dementia, classified by presence or absence of sleep disturbances depression. Methods: A total 1,188 psychiatric outpatients (457 males 731 females, mean age=74.65±5.83 years) were recruited. Sleep measured Korean version Neuropsychiatric Inventory depression was Geriatric Depression Scale. Cognitive assessed using Mini-Mental State Examination (K-MMSE), immediate recall, delayed verbal fluency. tasks Seoul-Instrumental Activities Daily Living (S-IADL). Results: Participants both as well those only had significantly lower K-MMSE, fluency scores higher S-IADL than normal group. Also, showed highest among groups. However, there no significant differences between group all functional areas S-IADL. Conclusion: found patients dementia according their Our findings suggest that has stronger associations decline older adults disturbances.