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The Williams syndrome cognitive profile.

C B Mervis¹, B F Robinson, J Bertrand

¹University of Louisville, Louisville, KY 40292, USA. cbmervis@louisville.edu

Brain and Cognition

|December 6, 2000

Summary

Williams Syndrome Cognitive Profile (WSCP) accurately identifies individuals with Williams syndrome, a rare neurodevelopmental disorder. This profile aids in psychoeducational evaluations and genetic research.

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Area of Science:

Neuroscience
Genetics
Developmental Psychology

Background:

Williams syndrome is a rare neurodevelopmental disorder.
It is caused by a deletion on chromosome 7q11.23.
Cognitive characteristics require precise definition.

Purpose of the Study:

To operationalize the cognitive characteristics of Williams syndrome.
To develop a reliable diagnostic tool for Williams syndrome.
To facilitate genotype/phenotype research.

Main Methods:

Developed the Williams Syndrome Cognitive Profile (WSCP).
Utilized subtest performance from the Differential Abilities Scales.
Assessed sensitivity and specificity with Williams syndrome and contrast groups.

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Main Results:

The WSCP demonstrated excellent sensitivity and specificity.
74 out of 84 individuals with Williams syndrome met WSCP criteria.
The WSCP showed stability across age and cognitive ability levels.

Conclusions:

The WSCP is a valid and reliable tool for identifying Williams syndrome.
Applications include psychoeducational assessments and genetic research.
This profile supports further understanding of Williams syndrome.