catatonia

Noun
  1. Extreme tonus;
    Muscular rigidity;
    A common symptom in catatonic schizophrenia (synset 114568647)
  2. A form of schizophrenia characterized by a tendency to remain in a fixed stuporous state for long periods;
    The catatonia may give way to short periods of extreme excitement (synset 114422520)

Other Searches