精神紧张一般分为弱的、适度的和强的3种。人们需要适度的精神紧张,因为这是人们解决问题的必要条件。但是,过度的精神紧张却不利于问题的解决。从生理心理学的角度来看,人若长期、反复地处于超生理强度的紧张状态中,就容易急躁、激动、恼怒,严重者会导致大脑神经功能紊 Mental stress is generally divided into three kinds of weak, moderate and strong. People need moderate stress because this is a necessary condition for people to solve the problem. However, excessive mental stress is not conducive to solving the problem. From a physiological psychology point of view, if long-term, repeated in the tensions of the super-physiological strength, it is easy irritability, agitation, irritability, severe cases can lead to brain neurological disorders