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Wilson, K. Ryan; O'Rourke, Heather; Wozniak, Linda A.; Kostopoulos, Ellina; Marchand, Yannick; Newman, Aaron J. – Brain and Language, 2012
Our goal was to characterize the effects of intensive aphasia therapy on the N400, an electrophysiological index of lexical-semantic processing. Immediately before and after 4 weeks of intensive speech-language therapy, people with aphasia performed a task in which they had to determine whether spoken words were a "match" or a "mismatch" to…
Descriptors: Speech Therapy, Aphasia, Cognitive Measurement, Language Processing
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Mayer, Jamie F.; Murray, Laura L. – Journal of Communication Disorders, 2012
Purpose: Many adults with aphasia demonstrate concomitant deficits in working memory (WM), but such deficits are difficult to quantify because of a lack of validated measures as well as the complex interdependence between language and WM. We examined the feasibility, reliability, and internal consistency of an "n"-back task for…
Descriptors: Stimuli, Reaction Time, Aphasia, Short Term Memory