Perception of Dynamic Acoustic Patterns by an Individual with Unilateral Verbal Auditory Agnosia  

Oleh:

Wang, Emily ; Peach, Richard K. ; Xu, Yi ; Schneck, Michael

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Brain and Language (Full Text) vol. 73 no. 3 (2000), page 442-455.
Topik: verbal auditory agnosia; pure word-deafness; speech acoustics; speech perception; auditory perception
Fulltext: 73_03_Wang.pdf (105.74KB)

Isi artikel

Previous studies have found that subjects diagnosed with verbal auditory agnosia (VAA) from bilateral brain lesions may experience difficulties at the prephonemic level of acoustic processing. In this case study, we administered a series of speech and nonspeech discrimination tests to an individual with unilateral VAA as a result of left-temporal-lobe damage. The results indicated that the subject’s ability to perceive steady-state acoustic stimuli was relatively intact but his ability to perceive dynamic stimuli was drastically reduced. We conclude that this particular aspect of acoustic processing may be a major contributing factor that disables speech perception in subjects with unilateral VAA.

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