陰いん性せい症しょう状じょう

noun

negative symptom

Medical term, especially in psychiatry, for symptoms that reflect a loss or decrease of normal functions (e.g., flat affect, social withdrawal, poverty of speech). Often contrasted with 陽性症状 (positive symptoms).

• 統とう合ごう失しっ調ちょう症しょうの陰いん性せい