Abstract
ObjectiveThis study aimed to investigate the temporal processing and binaural interaction functions of central auditory processing tests according to the anatomical localizations of young and elderly individuals. It also sought to evaluate the relationships between the same individuals’ central auditory processing tests. MethodsThis observational and cross-sectional study included individuals with normal hearing between 18 and 30 and 60–75 years of age, who were referred to as the young group and the elderly group, respectively. The evaluation of the central auditory processing tests was completed using the frequency pattern test, duration pattern test, masking level difference test, and random gap detection test. Furthermore, speech discrimination and speech in noise scores were analyzed for both groups. ResultsStatistically significant differences were identified between the groups’ scores for the speech in noise test, masking level difference test, random gap detection test, frequency pattern test, and duration pattern test (p < 0.05). A statistically significant relationship was observed between the age and the results of the central auditory processing tests (p < 0.05). ConclusionWhen compared to younger individuals, elderly individuals presented with declined temporal sequences, temporal resolutions, and binaural interaction skills.
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