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Quantitative Assessment of Cortical Auditory-tactile Processing in Children with Disabilities
Published on: January 29, 2014
Reduced auditory processing capacity during vocalization in children with Selective Mutism
Miri Arie1, Yael Henkin, Dominique Lamy
1Adler Center for Research in Child Development and Psychopathology, Department of Psychology, Tel Aviv University, Israel.
Background:
Because abnormal Auditory Efferent Activity (AEA) is associated with auditory distortions during vocalization, we tested whether auditory processing is impaired during vocalization in children with Selective Mutism (SM).
Methods:
Participants were children with SM and abnormal AEA, children with SM and normal AEA, and normally speaking controls, who had to detect aurally presented target words embedded within word lists under two conditions: silence (single task), and while vocalizing (dual task). To ascertain specificity of auditory-vocal deficit, effects of concurrent vocalizing were also examined during a visual task.
Results:
Children with SM and abnormal AEA showed impaired auditory processing during vocalization relative to children with SM and normal AEA, and relative to control children. This impairment is specific to the auditory modality and does not reflect difficulties in dual task per se.
Conclusions:
The data extends previous findings suggesting that deficient auditory processing is involved in speech selectivity in SM.
