Normative data on audiovisual speech integration using sentence recognition and capacity measures.

Objective: The ability to use visual speech cues and integrate them with auditory information is important, especially in noisy environments and for hearing-impaired (HI) listeners. Providing data on measures of integration skills that encompass accuracy and processing speed will benefit researchers...

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Detalles Bibliográficos
Publicado en:International Journal of Audiology Vol. 55; no. 4; pp. 206 - 215
Autores principales: Altieri, Nicholas, Hudock, Daniel
Formato: equations & formulas research tables/charts Journal Article
Publicado: Taylor & Francis Ltd Apr2016
Acceso en línea:Ver este registro en EBSCOhost
Descripción
Sumario:Objective: The ability to use visual speech cues and integrate them with auditory information is important, especially in noisy environments and for hearing-impaired (HI) listeners. Providing data on measures of integration skills that encompass accuracy and processing speed will benefit researchers and clinicians.Design: The study consisted of two experiments: First, accuracy scores were obtained using City University of New York (CUNY) sentences, and capacity measures that assessed reaction-time distributions were obtained from a monosyllabic word recognition task.Study sample: We report data on two measures of integration obtained from a sample comprised of 86 young and middle-age adult listeners:Results: To summarize our results, capacity showed a positive correlation with accuracy measures of audiovisual benefit obtained from sentence recognition. More relevant, factor analysis indicated that a single-factor model captured audiovisual speech integration better than models containing more factors. Capacity exhibited strong loadings on the factor, while the accuracy-based measures from sentence recognition exhibited weaker loadings.Conclusions: Results suggest that a listener’s integration skills may be assessed optimally using a measure that incorporates both processing speed and accuracy.