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This paper presents a scheme, derived both rationally and empirically, for the analysis of body movements occurring spontaneously in psychotherapeutic interviews. Focussing on hand movements, a distinction is made between two broad, conceptually different, and independent classes of movements: those accompanying speech (object-focussed), and those involving some form of self-stimulation but not speech-related (body-focussed). Furthermore, different kinds of object-focussed movements are identified according to their integration with and primacy vis-a-vis speech. Observations on two paranoid patients, each at two different points in his treatment, suggest that the coding scheme can reflect the patient's altered clinical states.
Freedman et al. (Sat,) studied this question.