特別講演 Dementia and Aphasia-AD, FTD & aphasia

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  • Shinagawa Shunichiro
    Memory & Aging Center, Department of Neurology, University of California San Francisco, San Francisco, California, USA
  • Miller Bruce L.
    Memory & Aging Center, Department of Neurology, University of California San Francisco, San Francisco, California, USA

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タイトル別名
  • Dementia and Aphasia-AD, FTD & aphasia
  • トクベツ コウエン Dementia and Aphasia-AD, FTD & aphasia

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Alzheimer’s disease（AD）and frontotemporal dementia（FTD）are two different type of neurodegenerative dementia, which can cause aphasic symptoms. Problems in memory, visuospatial are the predominant symptoms in AD, while behavioral and language manifestations are core features in FTD. There have been many changes is concept and history of primary progressive aphasia （PPA）, recent studies have divided the syndromes into three subtypes based on type of aphasia, distribution of atrophy, and underlying histopathology :（i）nonfluent variant PPA ;（ii）semantic variant PPA ; and（iii）the logopenic variant of PPA. Relationship between neurodegenerative dementia and PPA provides us a unique window into brain-behavior relations.

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