Abstract
This study aimed to measure the effects of a Computer-based Auditory Training Program (CBATP) on an adolescent diagnosed with Autism Spectrum Disorder (ASD) and Central Auditory Processing Disorder (CAPD). This is the case report of a male, 14-year-old adolescent diagnosed with ASD. The individual was submitted to basic audiological evaluation, central auditory processing assessment and hearing electrophysiology (EP), pre- and post-therapeutic intervention. Central auditory processing (CAP) was assessed by means of the following instruments: Time-compressed Speech Test (TCST), Random Gap Detection Test (RGDT), Staggered Spondaic Word Test (SSWT), Frequency (Pitch) Pattern Sequence Test (FPST), and Duration Pattern Test (DPT). The P300 component of the Event-related Potential (ERP) was used in the hearing EP. Pre-intervention assessment of CAP showed changes in the auditory skills of closure, figure-ground and temporal ordering, but normal temporal resolution ability. Post-intervention evaluation of CAP showed improvement in all previously mentioned auditory skills, except for the figure-ground ability, which remained unchanged. Regarding the findings of the hearing EP, a decrease in the latency of the P300 component was observed pre- and post-intervention. This study demonstrated that the use of a CBATP resulted in improvement in the hearing abilities assessed in an adolescent diagnosed with ASD.
Highlights
Autism Spectrum Disorder (ASD) is characterized by difficulty in social interaction and communicative skills
Results of the present study showed improvement in the auditory performance of the individual assessed after the Computer-based Auditory Training Program (CBATP)
Results obtained with application the Scale of Auditory Behavior (SAB) showed that the individual of this study presented positive functional changes perceived by the caregiver, that is, increased questionnaire scores after the CBATP
Summary
Autism Spectrum Disorder (ASD) is characterized by difficulty in social interaction and communicative skills. Individuals with ASD may show physical or visual discomfort, delay or absence in verbal and gestural language, few responses to sound stimuli, and difficulties in accepting changes, mainly in routine activities. They may present repetitive, restricted and stereotyped behaviors[1]. Considering the difficulties in communicative abilities and the perceptual disturbances associated with the condition, individuals with ASD may present changes in auditory skills This population may show low performance in the processing of acoustic information in the auditory Central Nervous System (CNS), resulting in Central Auditory Processing Disorder (CAPD)(2,3). It should be emphasized that such auditory changes result in damages in both language acquisition and its functional use
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