Abstract
Accessibility issues, especially in developing countries, have prevented the evaluation of diverse hearing abilities beyond the pure tone audiogram in the general population. PART is a free-access automated auditory measurement tool that can address accessibility issues by providing a wide variety of auditory psychophysical measures in multiple languages on standard relatively low-cost commercial interfaces such as tablets and smart phones. Here, we show that PART can complement traditional audiological tests to better account for people’s hearing complaints. Forty-four adults between 40 and 80 years old were tested in Mexico City with a traditional clinical battery (otoacoustic emissions and pure tone audiogram) and a battery of PART-based central auditory processing and speech-on-speech competition measures. Several measures from the PART battery correlated with self-reported hearing difficulties, and the spatial release from masking task was best able to capture this variance. These preliminary data support the inclusion of a speech-on-speech masking as a complement to traditional clinical measures to better account for the hearing complaints of the public. Furthermore, we show PART-based version of this test can be implemented in a clinical setting in Mexico and produce comparable results to those obtained in developed countries like the United States of America.
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