Abstract

The objective of this study was to examine the relationship between spectrotemporal modulation (STM) sensitivity and the ability to perceive music. Ten normal-hearing (NH) listeners, ten hearing aid (HA) users with moderate hearing loss, and ten cochlear Implant (CI) users participated in this study. Three different types of psychoacoustic tests including spectral modulation detection (SMD), temporal modulation detection (TMD), and STM were administered. Performances on these psychoacoustic tests were compared to music perception abilities. In addition, psychoacoustic mechanisms involved in the improvement of music perception through HA were evaluated. Music perception abilities in unaided and aided conditions were measured for HA users. After that, HA benefit for music perception was correlated with aided psychoacoustic performance. STM detection study showed that a combination of spectral and temporal modulation cues were more strongly correlated with music perception abilities than spectral or temporal modulation cues measured separately. No correlation was found between music perception performance and SMD threshold or TMD threshold in each group. Also, HA benefits for melody and timbre identification were significantly correlated with a combination of spectral and temporal envelope cues though HA.

Highlights

  • The objective of this study was to examine the relationship between spectrotemporal modulation (STM) sensitivity and the ability to perceive music

  • The current study evaluated the relationship between music perception abilities and STM detection thresholds for NH listeners, hearing aid (HA) users, and cochlear Implant (CI) users

  • It has been well established that people with hearing impairment, including CI and HA users, can perceive musical rhythm similar to those with normal hearing[7]

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Summary

Introduction

The objective of this study was to examine the relationship between spectrotemporal modulation (STM) sensitivity and the ability to perceive music. Three different types of psychoacoustic tests including spectral modulation detection (SMD), temporal modulation detection (TMD), and STM were administered. Performances on these psychoacoustic tests were compared to music perception abilities. STM detection study showed that a combination of spectral and temporal modulation cues were more strongly correlated with music perception abilities than spectral or temporal modulation cues measured separately. The primary goal of the present study was to measure music perception abilities using three different psychoacoustic tests including spectral modulation detection (SMD) test, temporal modulation detection (TMD) test, and STM detection test in NH listeners, HA users and CI users with their own devices and examine the relationship between psychoacoustic and music perception abilities. Psychoacoustic mechanisms related to HA benefit for music perception (the difference of music perception abilities between aided and unaided conditions) was investigated

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