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That note sounds wrong! Age-related effects in processing of musical expectation
Andrea R Halpern1, Ioanna Zioga2, Martin Shankleman2
1Psychology Department, One Dent Drive, Bucknell University, Lewisburg, PA 17837, United States.
Brain and Cognition
|January 9, 2017
Summary
Older adults show enhanced sensitivity to unexpected musical endings, indicating lifelong music exposure refines auditory processing and neural responses. This study explores music cognition in aging.
Area of Science:
- Cognitive Neuroscience
- Music Psychology
Background:
- Musical enjoyment relies on predicting melodic continuations.
- Violating musical expectations can impact aesthetic response.
Purpose of the Study:
- To investigate if lifelong music exposure in older adults enhances their response to unexpected melodic endings.
- To compare the auditory processing of expected and unexpected musical endings between older and younger adults.
Main Methods:
- Participants (older and younger adults) listened to melodies with expected or unexpected endings.
- Behavioral ratings of goodness-of-fit were collected.
- Event-related potentials (ERPs) were recorded to analyze neural responses (N1, P200, Late Positive Component).
Main Results:
- Goodness-of-fit ratings and early ERPs (N1) were similar between age groups.
- Later ERP components (P200, Late Positive Component) showed larger amplitudes in older adults for both expected and unexpected endings, suggesting heightened sensitivity.
- Neural responses in older adults were more widespread, indicating a dedifferentiation pattern and differing lateralization.
Conclusions:
- Older adults demonstrate refined musical understanding and processing of melodic expectations throughout life.
- Lifelong music exposure appears to support enhanced auditory processing in aging, reflected in distinct neural activity patterns.
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