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Effects of Alphabet-Supplemented Speech (Fercho et al., 2015) ...
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Effects of Alphabet-Supplemented Speech (Fercho et al., 2015) ...
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Abstract:
Purpose: The purpose of this article was to examine the neural mechanisms associated with increases in speech intelligibility brought about through alphabet supplementation. Method: Neurotypical participants listened to dysarthric speech while watching an accompanying video of a hand pointing to the 1st letter spoken of each word on an alphabet display (treatment condition) or a scrambled display (control condition). Their hemodynamic response was measured with functional magnetic resonance imaging, using a sparse sampling event-related paradigm. Speech intelligibility was assessed via a forced-choice auditory identification task throughout the scanning session. Results: Alphabet supplementation was associated with significant increases in speech intelligibility. Further, alphabet supplementation increased activation in brain regions known to be involved in both auditory speech and visual letter perception above that seen with the scrambled display. Significant increases in functional activity were observed ...
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Keyword:
170204 Linguistic Processes incl. Speech Production and Comprehension; FOS Psychology
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URL: https://asha.figshare.com/articles/journal_contribution/Effects_of_Alphabet-Supplemented_Speech_Fercho_et_al_2015_/14963610/1 https://dx.doi.org/10.23641/asha.14963610.v1
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The effect of omitted cues on alphabet -supplemented intelligibility
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In: ETD collection for University of Nebraska - Lincoln (2005)
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