Related Experiment Video
Updated: Apr 21, 2026

Making Sense of Listening: The IMAP Test Battery
Published on: October 11, 2010
Development of the adaptive music perception test.
Martin J Kirchberger1, Frank A Russo
11Department of Health Sciences and Technology, ETH Zürich, Zurich, Switzerland; 2Phonak AG, Stäfa, Switzerland; 3Department of Psychology, Ryerson University, Toronto, Ontario, Canada; and 4Communication Team, Toronto Rehabilitation Institute, Toronto, Ontario, Canada.
Hearing loss significantly impacts music perception, with hearing-impaired individuals showing greater difficulty in discerning melody, harmony, and timbre. The Adaptive Music Perception (AMP) test reveals these deficits, offering a new tool for research and potential clinical use.
Area of Science:
- Auditory Neuroscience
- Psychoacoustics
- Music Perception
- Hearing Impairment
Background:
- While hearing loss extensively studied for speech perception, its effects on music perception remain less understood.
- A clinical need exists for a standardized, practical tool to assess music perception in hearing-impaired (HI) individuals.
- This study introduces the Adaptive Music Perception (AMP) test to address this gap.
Purpose of the Study:
- To present and validate the Adaptive Music Perception (AMP) test.
- To quantify music perception abilities in hearing-impaired (HI) versus normal-hearing (NH) individuals.
- To assess the test-retest reliability of the AMP test.
Main Methods:
- Developed a computer-driven Adaptive Music Perception (AMP) test assessing 10 low-level physical dimensions related to musical elements (meter, harmony, melody, timbre).
- Recruited 21 HI and 19 normal-hearing (NH) participants for music perception tests.
- Evaluated test-retest reliability by having participants complete the tests on two separate occasions.
Main Results:
- Hearing-impaired (HI) participants exhibited significantly higher discrimination thresholds than normal-hearing (NH) participants in 7 out of 10 dimensions, including frequency discrimination, dissonance and intonation perception, melody-to-chord ratio, and timbre perception (brightness, spectral irregularity).
- Test-retest reliability varied across dimensions, ranging from poor to excellent.
- Some dimensions showed significant improvement between test and retest sessions, indicating potential learning effects.
Conclusions:
- The Adaptive Music Perception (AMP) test effectively identified significant differences in music perception between HI and NH listeners.
- HI listeners demonstrated particular difficulties with meter recognition, harmony perception, melody discrimination in masking conditions, and timbre discrimination.
- The AMP test serves as a valuable research tool for investigating music perception with hearing aids and evaluating music processing strategies for HI individuals, with future potential for clinical application.

