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Confluence of Dementia and Epilepsy Pathologies Atsushi Iwata 1,2 1Department of Neurology, The University of Tokyo Hospital 2Japan Science and Technology Agency PRESTO Keyword: 認知症 , てんかん , アルツハイマー病 , アミロイドβ , 可塑性 , dementia , epilepsy , Alzheimer's disease , amyloid beta , plasticity pp.1379-1384
Published Date 2014/11/1
DOI https://doi.org/10.11477/mf.1416200043
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Abstract

Epilepsy in patients with Alzheimer's disease (AD) is not a mere complication of another common disease, but a result of synaptic dysfunction due to accumulation of toxic amyloid β (Aβ). An epileptic attack triggers formation of a new neuronal circuit to lower the threshold of the next attack, which is a result of inherent neuronal plasticity. In patients with AD, this plasticity is impaired such that a "seizures beget seizures" situation does not occur. Thus, patients with epilepsy in AD often respond well to medication.


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電子版ISSN 1344-8129 印刷版ISSN 1881-6096 医学書院

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