At the University of Oslo, the Clinical Communication Research Laboratory has used several versions of The Observer over the years in a number of studies of clinical communication. Currently, they apply The Observer XT to study the psychophysiological aspects of clinical communication. During simulated medical consultations, blood pressure, heart rate, and electrodermal response on both doctor and patient were recorded. Results indicate that patients react with very responses to different doctor messages. Patients with alexithymia for instance were particularly sensitive to physician communication behavior.

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