<unk>  (MPI), also called<unk>  sociogenic<unk> ,<unk><unk>  disorder, epidemic hysteria, or<unk>  hysteria, involves the spread of<unk>  symptoms through a population where there is no infectious agent responsible for contagion. It is the rapid spread of<unk>  signs and symptoms affecting members of a cohesive group, originating from a nervous system disturbance involving excitation, loss, or alteration of function, whereby physical complaints that are exhibited unconsciously have no corresponding organic aetiology.
Mass psychogenic illness
Factitious disorder imposed on another
Factitious disorder imposed on self
Malingering of post-traumatic stress disorder
Treatment-resistant depression
Outline of bipolar disorder
Chronic hallucinatory psychosis
Jurosomatic illness