Affective and Cognitive Symptoms in the Elderly: Review and Case Report of Co-Occurring Klein-Levin Syndrome and Cerebellar Cognitive Affective Syndrome

Michael Keem, Yew Li Dang, Faculty of Medicine, Nursing and Health Sciences, Monash University, Austin Health, Mental Health Division, Department of Medicine, Faculty of Medicine, Dentistry and Health Sciences, University of Melbourne, Department of Neurology, Austin Health

Journal of Geriatric Psychiatry and Neurology

Published online on April 16, 2026

Abstract

Journal of Geriatric Psychiatry and Neurology, Ahead of Print.
Illnesses with both cognitive and affective symptoms are common in older adults and have a broad neuropsychiatric differential diagnosis. We present a case of a 66-year-old female with fluctuating affective symptoms on a background of chronic dysexecutive ...