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Language impairment in Alzheimer's disease and benefits of acetylcholinesterase inhibitors

Authors Ferris SH, Farlow M

Received 5 November 2012

Accepted for publication 6 February 2013

Published 2 August 2013 Volume 2013:8 Pages 1007—1014

DOI https://doi.org/10.2147/CIA.S39959

Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 6

Steven H Ferris,1 Martin Farlow2

1Alzheimer's Disease Center, Comprehensive Center on Brain Aging, New York University Langone Medical Center, New York, NY, 2Department of Neurology, Indiana University School of Medicine, Indianapolis, IN, USA

Abstract: Alzheimer's disease is characterized by progressively worsening deficits in several cognitive domains, including language. Language impairment in Alzheimer's disease primarily occurs because of decline in semantic and pragmatic levels of language processing. Given the centrality of language to cognitive function, a number of language-specific scales have been developed to assess language deficits throughout progression of the disease and to evaluate the effects of pharmacotherapy on language function. Trials of acetylcholinesterase inhibitors, used for the treatment of clinical symptoms of Alzheimer's disease, have generally focused on overall cognitive effects. However, in the current report, we review data indicating specific beneficial effects of acetylcholinesterase inhibitors on language abilities in patients with Alzheimer’s disease, with a particular focus on outcomes among patients in the moderate and severe disease stages, during which communication is at risk and preservation is particularly important.

Keywords: Alzheimer's disease, donepezil, cognition, language, communication, clinical trials

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