Buchwald, Adam; Miozzo, Michele
Finding Levels of Abstraction in Speech Production: Evidence From Sound-Production Impairment
Teil von
  • Psychological science, 2011-09-01, Vol.22 (9), p.1113-1119
Ort / Verlag
Los Angeles, CA: SAGE Publications
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JSTOR Life Sciences
A widely held view in linguistics and psycholinguistics is that there are distinct levels of processing for context-independent and context-specific representations of sound structure. Recently, this view has been disputed, in part because of the absence of clear evidence that there are abstract mental representations of discrete sound-structure units. Here, we present novel evidence that separate context-independent and context-specific representations of sound structure are supported by distinct brain mechanisms that can be selectively impaired in individuals with acquired brain deficits. Acoustic data from /s/-deletion errors of 2 aphasie speakers suggest both a phonological level of processing at which sound representations (e.g., /p/) do not specify context-specific detail (e.g., aspirated or unaspirated) and a distinct level at which context-specific information is represented. These data help constrain accounts of sound-structure processing in word production and crucially support the claim that context-independent linguistic information affects language production.

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