A Case of Eating Epilepsy with Depersonalization, Funniness and Aphasia

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  • Saiki Hidemoto
    Department of Neurology, Graduate School of Medicine, Kyoto University
  • Ikeda Akio
    Department of Neurology, Graduate School of Medicine, Kyoto University
  • Ishikura Daisuke
    Department of Neurology, Graduate School of Medicine, Kyoto University
  • Shimohama Shun
    Department of Neurology, Graduate School of Medicine, Kyoto University
  • Takahashi Ryosuke
    Department of Neurology, Graduate School of Medicine, Kyoto University

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  • 食後に離人症体験，おかしみの情動，失語から始まるｅａｔｉｎｇ　ｅｐｉｌｅｐｓｙの１例

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Abstract

Eating epilepsy manifesting all the seizures only after meals is rarely reported in Japanese, and we herewith report a 26-year-old man with eating epilepsy. The patient started having a series of auras (depersonalization, funniness and aphasia) since the age 20 years, loss of awareness attacks since age 24 and generalized convulsions since age 26. All of those attacks occurred within a half or an hour after meals. There was no family history of epilepsy. General and neurological examination was normal. Brain MRI and FDG-PET were normal and repeated EEGs recorded intermittent irregular slow and ill defined sharp transients in the left middle temporal area. The patient could describe a series of auras which consisted of depersonalization associated with machinery rhythmic sensation, funniness and impaired verbal recognition and expression. In this patient, it was most likely that gastric distension by meals gave rise to autonomic afferent stimuli that subsequently elicit epileptic activity in the limbic system and spread to the language area, without consciousness disturbance during a series of auras.<br>

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