Question 6 · Development and Characteristics of Students with Intellectual Disabilities
A 7-year-old girl with severe intellectual disability has frequent seizures, an unsteady gait, minimal speech, and frequent laughter and smiling that are not always linked to events. Which syndrome is most consistent with this profile?
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Answer: C. Angelman syndrome
Angelman syndrome is marked by severe intellectual disability, minimal speech, seizures, an ataxic gait, and frequent laughter and smiling. Rett syndrome also affects girls and involves seizures and gait problems, but it follows a period of typical early development and features regression and hand-wringing rather than a happy demeanor. Williams syndrome involves fluent, social language, and Prader-Willi syndrome involves hyperphagia.