The Apathy Evaluation Scale: A Comparison of Subject, Informant, and Clinician Report in Cognitively Normal Elderly and Mild Cognitive Impairment.

Guercio BJ, Donovan NJ, Munro CE, Aghjayan SL, Wigman SE, Locascio JJ, Amariglio RE, Rentz DM, Johnson KA, Sperling RA, et al.
J Alzheimers Dis. 2015; 47(2):421-32. PMID: 26401564. Abstract