The Effect of Listening to Music on Young Personal Listening Device Users

Document Type : Original article

Authors

1 Lecturer, MSc in Audiology. Shcool of Rehabilitation Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran

2 Students` Research Office. MSc in Audiology, Shcool of Rehabilitation Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran

3 Associate Professor, Department of Basic Sciences in Rehabilitation, School of Rehabilitation Sciences, Rehabilitation Research Center, Iran University of Medical Sciences, Tehran, Iran.

4 Msc in Biostatistics, Shcool of Rehabilitation Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran

Abstract

Background and Aim: In today’s world of gadgets, the use of Portable Music Players (PMP) in young people has grown faster than our ability to assess their potential health consequences. The aim of the present study is to investigate the damaging effects caused by improper use of portable music players on hearing.
Materials and Methods: Primary hearing damage caused by these devices were investigated by Distortion Product Otoacoustic Emission, whereby amplitude of DPOAE (intensity level l1= 65dBHL) was compared among 21 young adults who had used their devices at least for a year for >1 h/day, at >50% of the maximum volume setting and 21 subjects as control group. The data of the present case-control study was analyzed using Independent t-test and Mann-Whitney statistica measures.
Results: Mean DPOAE amplitude between the two groups showed a decrease in the amplitude f2= 1 & 2 kHz in the right ear and f2= 3 kHz in the left ear in the user group (p=0/011). Comparison of the two sexes showed a decrease in DPOAE amplitude greater in men than in women (p =0/042).
Conclusion: The results showed a decrease in DPOAE amplitude in users compared with that in the controls. The changes in hearing sensitivity measured by DPOAE indicate the potential harmful effects of listening to loud music on hearing and cochlea function.

Keywords


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Volume 4, Issue 4 - Serial Number 4
November and December 2015
Pages 80-88
  • Receive Date: 11 March 2015
  • Revise Date: 25 May 2015
  • Accept Date: 27 July 2015
  • First Publish Date: 22 December 2015