The diagnosis of mental illnesses is initially based primarily on conversations that explore the patient’s experiences and feelings (the doctor says explore): In addition, the therapist uses observations of the patient, questionnaires and psychological tests (02.10.2022): https://www.apotheken.de/krankheiten/hintergrundwissen/4655-der-weg-zur-diagnose-in-der-psychiatrie Peter Gamma from www.petergamma.or does not know of psychiatrists who treat their patients with brain scanners in Switzerland. …