psychogeny
n．心理发生：指心理现象、行为或心理特征的起源和发展。
例句
The positive rate of symptoms of peripheral nerves, central nerves and psychogeny except auditory and visual hallucination after poisoning was significantly higher than that before(P<0.05).
患者中毒后周围神经系统症状和体征阳性率、中枢神经系统症状阳性率、各种精神症状阳性率（除幻听幻视外）均高于中毒前，差异有统计学意义（P<0.05）；
