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Temporal resolution in elderly

ABSTRACT

Purpose:

detecting the sensitivity to evaluate the temporal resolution ability, by comparing Randon Gap Detection Test (RGDT) and Gaps- In-Noise (GIN) tests, in addition to suggesting reference values in these tests for elderly people.

Methods:

38 elderly people, 24 women and 14 men, aged between 60 and 82 years, with normal hearing or sensorineural to moderate hearing loss; with symmetry between the ears; Type A tympanogram, acoustic reflex, with auditory processing complaints. All patients underwent basic evaluations to characterize the peripheral hearing - RGDT and GIN.

Results:

the sensitivity found for RGDT regarding the identification of the temporal resolution ability was 88.64% and 67.65% in GIN. The mean values for the gap detection thresholds in GIN test were around 8ms and for the RGDT test in 23,13ms.

Conclusion:

RGDT test presented greater sensitivity for detecting the change in temporal resolution ability. The values of temporal resolution thresholds suggested as reference values for the elderly people, are 8ms for GIN and 23.13 ms for RGDT.

Keywords:
Auditory Perception; Hearing Tests; Auditory Perceptual Disorders; Hearing; Comprehension

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