发笑现象见于某些脑部疾病和癫痫的病程之中。发笑发作常表明严重的脑器质性损害,如脑瘤、脑炎、多发性硬化、延髓性瘫痪、婴儿痉挛和头部外伤。另一方面,某些颞叶癫痫患者表现有情绪异常,如恐惧、愤 Amuse is found in the course of certain brain diseases and epilepsy. Paroxysmal attacks often indicate severe brain organic damage such as brain tumors, encephalitis, multiple sclerosis, medullary paralysis, infantile spasms and head trauma. On the other hand, some patients with temporal lobe epilepsy showed abnormal emotions such as fear and anger