Dichotic pitch: a new stimulus distinguishes normal and dyslexic auditory function.
Neuroreport
; 9(13): 3001-5, 1998 Sep 14.
Article
em En
| MEDLINE
| ID: mdl-9804305
ABSTRACT
Two patterns of appropriately filtered acoustic white noise can be binaurally fused by the human auditory system to extract pitch and location information that is not available to either ear alone. This phenomenon is called dichotic pitch. Here we present a new method for generating more effective and useful dichotic pitch stimuli. These novel stimuli allow the psychophysical assessment of dichotic pitch detection thresholds. We show that dichotic pitch detection is significantly impaired in individuals with developmental dyslexia, as compared to average readers. These results suggest a low-level auditory deficit associated with dyslexia and also demonstrate the potential value of our new dichotic pitch stimuli for assessment of auditory processing.
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Base de dados:
MEDLINE
Assunto principal:
Percepção da Altura Sonora
/
Estimulação Acústica
/
Testes com Listas de Dissílabos
/
Dislexia
Idioma:
En
Ano de publicação:
1998
Tipo de documento:
Article