Definition and Measurement of Fatigue

摘要: Although fatigue is a key component of the chronic syndrome, its definition and measurement remain relatively undeveloped. Most research on has been oriented towards work or performance tasks involved laboratory studies healthy individuals, while study as encountered in clinical settings received minimal attention from investigators. This paper recommends that natural history various presentations be studied standardized assessment tools used this process. An investigation available for yielded single-item, unidimensional, multidimensional instruments. Additionally, apparent association between affective illness syndrome addressed, fact relationship depends issues explored.