[Studies with a behavior-oriented evaluation scale for depressive inhibition and agitation. Results of a video-documented amitriptyline-mianserine study].

This is the first report of a new approach which is concerned with the registration and graded judgement of non-verbal behavior. We have tried to show that this is a method which helps to unveil the role of non-verbal behavior in the process of making a diagnosis and to define the concepts used.