Hence, TBI may be a risk factor for Central Auditory Processing Disorders (CAPD), which can be identified with electrophysiological and behavioral tests that assess central auditory function. Acoustic signals must be adequately analyzed and interpreted to convey a meaningful message. ![]() Central auditory processing refers to the efficiency and effectiveness with which the Central Auditory Nervous System (CANS) uses auditory information. TBI potentially damages the Central Nervous System (CNS) and, consequently, the central auditory pathways and the auditory cortex. 5 However, no recent studies on the epidemiological incidence of TBI in Brazil were found, particularly such that included children and adolescents. In Brazil, TBI is responsible for more than 75% of child deaths. 3 It can also be classified based on the severity of the lesion, following the Glasgow Coma Scale (GCS). 2ĭepending on its mechanism, TBI can be classified as closed or penetrating – which is the most common in childhood, due to falling, being run over, or suffering car accidents or aggressions. 1 These lesions may be caused by impact and/or acceleration/deceleration movement of the brain in the skull. Traumatic Brain Injury (TBI) is any traumatic aggression resulting in an anatomical lesion or functional impairment of the meninges, brain, or vessels. ConclusionĬentral auditory processing disorders were identified in all subjects of the study group, especially involving auditory closure and temporal processing skills, in comparison with subjects without a history of traumatic brain injury. The central auditory processing tests with abnormal results in the comparison group were different from those in the study group. The study group performed statistically worse than the comparison group in auditory closure, figure-ground in verbal dichotic listening, and temporal ordering. These individuals were matched for sex and age with other subjects without a history of traumatic brain injury and submitted to behavioral assessment of the central auditory processing with special tests to assess hearing skills (namely, auditory closure, figure-ground, and temporal processing), selected according to their chronological age and response-ability. The sample comprised 8- to 18-year-old individuals of both sexes who suffered moderate or severe closed traumatic brain injury 3 to 24 months before their participation in the study and whose hearing thresholds were normal. To characterize and compare the performance of children and adolescents with and without a history of traumatic brain injury in behavioral tests that assess central auditory processing. ![]() Hence, individuals who suffered a traumatic brain injury may be at risk of central auditory processing disorders, which can be identified with behavioral tests that assess central auditory function. Traumatic brain injury can impair the central auditory pathways and auditory cortex.
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