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Do individuals with Williams syndrome possess absolute pitch?
Pastora Martínez-Castilla1, María Sotillo, Ruth Campos
1Department of Developmental and Educational Psychology, Universidad Nacional de Educación a Distancia, Madrid, Spain. pastora.martinez@psi.uned.es
Summary
Individuals with Williams syndrome (WS) do not possess absolute pitch (AP) as commonly believed. Research indicates that WS individuals, like the general population, rarely exhibit this rare musical ability.
Area of Science:
- Neuroscience
- Psychology
- Genetics
Background:
- Absolute pitch (AP) is a rare auditory skill where individuals can identify or produce a musical note without a reference tone.
- Individuals with Williams syndrome (WS) are anecdotally reported to possess AP, but empirical research is limited.
- Williams syndrome is a genetic disorder associated with developmental delays and distinct cognitive and behavioral profiles.
Purpose of the Study:
- To investigate the prevalence and characteristics of absolute pitch (AP) in individuals with Williams syndrome (WS).
- To challenge the common assumption that individuals with WS possess AP.
- To compare AP abilities in WS participants with typically developing controls and expert musicians.
Main Methods:
- Study 1: A pitch-identification task was administered to musically trained individuals with WS, age-matched controls, and expert musicians with AP.
- Study 2: A pitch memory test for isolated tones was used to assess AP in a larger group of individuals with WS and age-matched controls, accommodating those without musical training.
- Both studies included expert musicians with AP as a benchmark for performance.
Main Results:
- Participants with WS, in both studies, performed poorly on AP tasks, achieving results comparable to typically developing controls.
- Performance patterns in WS individuals were arbitrary and significantly below that of expert musicians with AP.
- Neither study provided evidence supporting the claim that individuals with WS possess AP.
Conclusions:
- Absolute pitch (AP) is not a common or remarkable ability in individuals with Williams syndrome (WS).
- The prevalence of AP in WS appears to be as rare as in the typically developing population.
- The findings suggest that the anecdotal association of AP with WS may be unfounded.
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