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Current Neurology and Neuroscience Reports

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01-11-2013 | Behavior (HS Kirshner, Section Editor)

Towards a Clearer Definition of Logopenic Progressive Aphasia

Authors: Cristian E. Leyton, John R. Hodges

Published in: Current Neurology and Neuroscience Reports | Issue 11/2013

Abstract

Logopenic progressive aphasia is the most recently described clinical variant of primary progressive aphasia (PPA), defined by impairment of lexical retrieval and sentence repetition. Unlike other PPA variants, the logopenic variant of PPA (lv-PPA) is commonly associated with Alzheimer’s disease (AD), a fact that is relevant to the selection of patients for clinical trials and disease-modifying therapies. Despite the straightforward definition and coherent pathological association, the existence of lv-PPA has been challenged, as its distinction from AD or other PPA variants can be difficult. Despite these issues, lv-PPA patients display characteristic linguistic deficits, a pattern of brain atrophy, and possibly genetic susceptibility, which warrant considering this variant as a discrete AD endophenotype. More specific clinical and anatomical markers can strengthen the consistency of this syndrome.

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Title: Towards a Clearer Definition of Logopenic Progressive Aphasia
Authors: Cristian E. Leyton
John R. Hodges
Publication date: 01-11-2013
Publisher: Springer US
Published in: Current Neurology and Neuroscience Reports / Issue 11/2013
Print ISSN: 1528-4042
Electronic ISSN: 1534-6293
DOI: https://doi.org/10.1007/s11910-013-0396-6

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Towards a Clearer Definition of Logopenic Progressive Aphasia

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