通过特定型式的心理学刺激诱发癫癎发作或脑电图上出现癫癎波型活动的文献报导较少。作者报告一例在数学计算时脑电图上表现出局灶性右额区以棘波为主的脑电活动。病例报告:女性、41岁,右利者,因抽搐发作两年于1951年2月就诊。无其它症状,没有产期产伤史及抽搐或其它神经精神病家族史。受过8年教育,除数学一贯较差 Less literature has been reported on epileptic activity induced by a specific type of psychological stimulus or epileptic activity on EEG. The authors report an example of a spike-dominated EEG activity on the focal EEG in the EEG on math calculations. Case report: Female, 41 years old, right-winger, two-year episode of convulsions in February 1951. No other symptoms, no history of labor during childbirth and convulsions or other family history of neuropsychiatric disorders. After eight years of education, except mathematics has always been poor