Abstract
There is a long tradition to develop valid instruments for the exact assessment of psycho-motor dysfunctions in psychiatry. However, progress is hampered by the complexity of emotionally driven movements in psychiatric patients. Methods used up to now either remains unspecific due to only qualitative measurements or focus on the neurophysiological aspects too much. Thus, the results accomplished so far are only very general unspecific concerning different groups of psychiatric patients. In this paper, two own methods are presented which are aimed to avoid the two poles above mentioned. Kinematic analyses of facial expressions as well as handwriting movements provide quantitative and quite specific informations about psycho-motor dysfunctions of psychiatric patients and the effects of psychotropic substances. Thus, these methods are well suitable for relating them to other neurobiological parameters in order to contribute to the pathophysiological understanding of psycho-motor symptoms in psychiatric patients.
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