Comparative validity of two measures of psychomotor function in patients with severe depression

Author(s): Mason, C., Parker, G.

Journal/Book: J Affective Disord. 1996; 37: PO Box 211, 1000 AE Amsterdam, Netherlands. Elsevier Science BV. 143-149.

Abstract: Psychomotor function is a key construct in depressed patients and two measures have been developed for systematic rating. Parker and colleagues utilise an observer-rated scale (CORE) while the scale (DRRS) developed by Widlocher assesses motor and ideational aspects. Associations between the scales and their relative capacity to predict ECT response were investigated in a sample of 81 depressed patients. Both predicted ECT response. While the CORE scale rates a wider variety of phenomena (including non-interactiveness and agitation) and does not rely on the subject's capacity to report aspects of their cognitive function, the study supports the predictive and comparitive validity of both scales.

Note: Article I Hickie, St George Hosp & Community Serv, Acad Dept Psychiat, 7 Chapel St, Kogarah, NSW 2217, Australia

Keyword(s): depression; psychomotor disturbance; electroconvulsive therapy; treatment outcome; melancholia; ELECTROCONVULSIVE-THERAPY; RETARDATION; VALIDATION; PREDICTION

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