catalepsy(redirected from Catalepsis)
Also found in: Dictionary, Thesaurus, Medical.
Related to Catalepsis: cataleptic
catalepsy(kăt`əlĕp'sē), pathological condition characterized by a loss of consciousness accompanied by rigidity of muscles that keeps limbs in any position in which they are placed. Attacks vary from several minutes to days and occur in a variety of clinical syndromes, most frequently in schizophrenia, epilepsy, and hysteria.
the phenomenon of “waxy rigidity,” observed incatatonia or hypnotic sleep (hypnosis). With an increase in mus-cle tonus, there is an onset of rigidity (flexible rigidity), so thateither the entire body or the extremities remain in any positionin which they are placed.