Auditory processing deficit in a patient with Rett syndrome

Because of the consistent and prominent language failure in Rett syndrome, a patient with the characteristic phenotype was tested for subtle auditory processing deficits by visual reinforcement audiometry. In spite of excellent detection threshold and frequency discrimination, frequency sweep discri...

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Bibliographic Details
Published in:	American journal of medical genetics. Supplement Vol. 1; p. 153
Main Authors:	Lenn, N J, Olsho, L W, Turk, W R
Format:	Journal Article
Language:	English
Published:	United States 1986
Subjects:	Audiometry Auditory Cortex - physiopathology Auditory Perception - physiology Child, Preschool Female Humans Inferior Colliculi - physiopathology Intellectual Disability - physiopathology Movement Disorders - physiopathology Syndrome
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Summary:	Because of the consistent and prominent language failure in Rett syndrome, a patient with the characteristic phenotype was tested for subtle auditory processing deficits by visual reinforcement audiometry. In spite of excellent detection threshold and frequency discrimination, frequency sweep discrimination was at a chance level. This discrimination is normally performed by 5-8 month old infants. This observation suggests a defect in the specialized units of the inferior colliculus or higher auditory centers which subserve frequency sweep discrimination.
ISSN:	1040-3787
DOI:	10.1002/ajmg.1320250517