BACKGROUND: Recently there has been a renewed interest in defining the boundaries and subdomains of the negative syndrome in schizophrenia and new scales have been asked for. Apathy is one of the symp...
The psychometric properties of the clinician, informant, and self-rated versions of the Apathy Evaluation Scale (AES-C/I/S) were examined using data on 121 outpatients seen in a behavioral neurology c...
BACKGROUND: Previous factor analyses of the Apathy Evaluation Scale (AES) have indicated the presence of one main factor comprising core symptoms of apathy. However, the factor structure of the AES ha...
OBJECTIVE: This study was designed to establish the validity and reliability of the apathy inventory (IA), a rating scale for global assessment of apathy and separate assessment of emotional blunting,...
OBJECTIVES: To evaluate the reliability and validity of the Apathy Evaluation Scale (AES) and Apathy sub-scale of the Frontal Systems Behavior Scale (FrSBe-A) for people with traumatic brain injury (T...