Insights into lexical-semantic processing from not only semantic but also non-fluent and logopenic primary progressive aphasia
نویسندگان
چکیده
منابع مشابه
Verbal and non-verbal semantic impairment: From fluent primary progressive aphasia to semantic dementia
Selective disturbances of semantic memory have attracted the interest of many investigators and the question of the existence of single or multiple semantic systems remains a very controversial theme in the literature. Objectives To discuss the question of multiple semantic systems based on a longitudinal study of a patient who presented semantic dementia from fluent primary progressive aphas...
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Primary progressive aphasia (PPA), typically resulting from a neurodegenerative disease such as frontotemporal lobar degeneration or Alzheimer's disease, is characterized by a progressive loss of specific language functions with relative sparing of other cognitive domains. Three variants of PPA are now recognized: semantic variant, logopenic variant, and nonfluent/agrammatic variant. We discuss...
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Differential patterns of white matter disruption have recently been reported in the non-fluent (nfvPPA) and semantic (svPPA) variants of primary progressive aphasia (PPA). No single measure is sufficient to distinguish between the PPA variants, but connected speech allows for the quantification of multiple measures. The aim of the present study was to further investigate the white matter correl...
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Aphasiology Publication details, including instructions for authors and subscription information: http://www.informaworld.com/smpp/title~content=t713393920 Progressive non-fluent aphasia is not a progressive form of non-fluent (post-stroke) aphasia Karalyn Patterson a; Naida L. Graham a; Matthew A. Lambon Ralph b; John R. Hodges a a MRC Cognition & Brain Sciences Unit, Cambridge, UK b Universit...
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To determine whether a new, simple, quick measure, the Repeat and Point test, reliably differentiates between semantic dementia (SD) and progressive non-fluent aphasia (PNFA). Fifteen patients with SD, six patients with PNFA and 18 healthy controls were administered the Repeat and Point test. Participants were required to repeat 10 multi-syllabic concrete nouns and, following each repetition, t...
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ژورنال
عنوان ژورنال: Frontiers in Human Neuroscience
سال: 2017
ISSN: 1662-5161
DOI: 10.3389/conf.fnhum.2017.223.00029