期刊
JOURNAL OF AUTISM AND DEVELOPMENTAL DISORDERS
卷 50, 期 2, 页码 603-616出版社
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s10803-019-04299-0
关键词
Autism; Auditory P1; Mismatch negativity; Habituation; Sensory perception
Passive testing of auditory function is an important objective in individuals with ASD due to known difficulties in understanding and/or following task instructions. In present study the habituation to standard tones following deviants and the auditory discriminative processes were examined in two conditions: electronic and human sounds, in a sample of 16 ASD children. ASD children presented a reduced habituation in the P1 component and a decrease in the amplitude of the mismatch negativity indicating a lower auditory discrimination with respect to controls. MMN amplitude was related to sensory sensitivity. Results suggest an increased activation to repeatedly auditory stimulus and a poor auditory discrimination, for both: electronic and human sounds with consequences on the impaired sensory behavior of ASD subjects.
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