Behavioral and Electrophysiological Indices of Voicing-Cue Discrimination: Laterality Patterns and Development  

Oleh:

Simos, Panagiotis G. ; Molfese, Dennis L. ; Brenden, Rebecca A.

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Brain and Language (Full Text) vol. 57 no. 1 (1997), page 122-150.
Fulltext: 57_01_Simos.pdf (131.45KB)

Isi artikel

Voicing is an important phonetic dimension that distinguishes voiced (i.e., /b/) from voiceless–aspirated stop consonants (i.e., /ph /) in English. Perception of discrete voicing categories is affected by a number of acoustic cues. The present paper reviews evidence from brain-damaged populations indicating that the perception of certain voicing cues is less dependent upon left hemisphere mechanisms than the ability to perceive place of articulation contrasts (e.g., /b/ vs. /d/). In addition, electrophysiological and dichotic listening studies with neurologically normal individuals support the view that the right hemisphere may play a special role in the categorical processing of voicing. These findings are discussed in relation to current models of hemispheric specialization and laterality for language.

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