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cataplexy vs. catalepsy

[ kat-uh-plek-see ]
  1. a condition characterized by sudden, brief attacks of muscle weakness sometimes causing the body to fall helplessly, that is usually triggered by strong emotion: often associated with narcolepsy.
[ kat-l-ep-see ]
  1. a physical condition usually associated with catatonic schizophrenia, characterized by suspension of sensation, muscular rigidity, fixity of posture, and often by loss of contact with environment.

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