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Absolute pitch: a case study
Absolute pitch, the ability to identify musical notes without a reference tone, can change with age. This study suggests age-related auditory changes may affect pitch perception, impacting the accuracy of absolute pitch.
Area of Science:
- Auditory Neuroscience
- Psychoacoustics
Background:
- Absolute pitch (AP) is a rare auditory skill distinct from trainable tonal height discrimination.
- The study investigates changes in AP accuracy over an individual's lifespan.
Observation:
- The author experienced a shift in AP, perceiving music progressively higher in pitch with age (from 17 to 71).
- Controlled tests confirmed this shift, with 68-95% of notes identified inaccurately (1-2 semitones high).
Findings:
- Age-related changes in the basilar membrane's elasticity are proposed as a cause, rather than memory degradation.
- This suggests peripheral auditory processing contributes to pitch perception errors.
Implications:
- Auditory system changes with age can impact the accuracy of absolute pitch.
- Complex sound resolution may occur peripherally, providing potentially erroneous data to the brain.
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