Journal
JOURNAL OF THE AMERICAN ACADEMY OF AUDIOLOGY
Volume 20, Issue 1, Pages 71-82Publisher
AMER ACAD AUDIOLOGY
DOI: 10.3766/jaaa.20.1.7
Keywords
Auditory rehabilitation; cochlear implant; music; normal hearing; simulations; training
Funding
- NCRR NIH HHS [M01 RR000059-410498, M01 RR000059] Funding Source: Medline
- NIDCD NIH HHS [P50 DC000242-23, 2 P50 DC00242, P50 DC000242] Funding Source: Medline
- NATIONAL CENTER FOR RESEARCH RESOURCES [M01RR000059] Funding Source: NIH RePORTER
- NATIONAL INSTITUTE ON DEAFNESS AND OTHER COMMUNICATION DISORDERS [P50DC000242] Funding Source: NIH RePORTER
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Background: The simulation of the Cl (cochlear implant) signal presents a degraded representation of each musical instrument, which makes recognition difficult. Purpose: To examine the efficiency and effectiveness of three types of training on recognition of musical instruments as presented through simulations of the sounds transmitted through a Cl. Research Design: Participants were randomly assigned to one of three training conditions: repeated exposure, feedback, and direct instruction. Study Sample: Sixty-six adults with normal hearing. Intervention: Each participant completed three training sessions per week, over a five-week time period, in which they listened to the CI simulations of eight different musical instruments. Data Collection and Analysis: Analyses on percent of instruments identified correctly showed statistically significant differences between recognition accuracy of the three training conditions (p<.01). Results: those assigned to the direct instruction group showed the greatest improvement over the five-week training period as well as sustained improvement after training. The feedback group achieved the next highest level of recognition accuracy. The repeated exposure group showed modest improvement during the first three-week time period, but no subsequent improvements. Conclusions: These results indicate that different types of training are differentially effective with regard to improving recognition of musical instruments presented through a degraded signal, which has practical implications for the auditory rehabilitation of persons who use cochlear implants.
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