Carlos Morra and Ernst Franzek: Psychopathological Symptoms
Definition: Sound reduction in facial expression (Ballet 1903).
Exploration: The presence of hypomimia can be established by interviewing the patient and observing his/her facial expressions during the interview.
Ballet G. Traité de Pathologie Mentale. Paris: Octave Doin; 1903. p. 133
June 11, 2020