noun
catatonia
Medical term for a psychomotor syndrome involving abnormal movement and behavior, often associated with schizophrenia or mood disorders.
緊張病の症状には、無言や無動、奇妙な姿勢をとることなどがある。
Symptoms of catatonia include mutism, immobility, and assuming strange postures.
Compound of 緊張 (tension, nervousness) and 病 (illness), literally 'tension illness', a calque from German 'Spannungsirresein' or similar early psychiatric terminology.