Abnormalities in central auditory maturation in children with language-based learning problems.

Abnormalities in central auditory maturation in children with language-based learning problems. Research Abstract Details 

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Abnormalities in central auditory maturation in children with language-based learning problems. Abstract Text:

Phillip M Gilley,Anu Sharma,Michael Dorman,Kathryn Martin,

OBJECTIVE: To examine maturation of the central auditory pathways in children with language-based learning problems (LP). METHODS: Cortical auditory evoked potentials (CAEPs) recorded from 26 children with LP were compared to CAEPs recorded from 38 typical children. CAEP responses were recorded in response to a speech sound, /uh/, which was presented in a stimulus train with decreasing inter-stimulus intervals (ISIs) of 2000, 1000, 560, and 360 ms. RESULTS: We identified three atypical morphological categories of CAEP responses in the LP group. Category 1 responses revealed delayed P1 latencies and absent N1/P2 components. Category 2 responses revealed typical P1 responses, but delayed N1 and P2 responses. Category 3 responses revealed generally low-amplitude CAEP responses. A fourth sub-group of LP children had normal CAEP responses. CONCLUSIONS: Overall, the majority of children with LP had abnormal CAEP responses. These children fell into distinct categories based on the abnormalities in maturational patterns of their CAEP responses. SIGNIFICANCE: We describe a rate sensitive stimulation paradigm which may be used to identify and categorize LP children who exhibit abnormal patterns of central auditory maturation.

Abnormalities in central auditory maturation in children with language-based learning problems. Publishing Authors By Initials

PM Gilley,A Sharma,M Dorman,K Martin,

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Abnormalities in central auditory maturation in children with language-based learning problems. Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: Clinical neurophysiology : official journal of the

VOLUME: 117

Page Numbers: 1949-56

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ISSN: 1388-2457

DAY: 18

MONTH: 07

YEAR: 2006

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LANGUAGE: eng

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Grant and Affiliation Information for Abnormalities in central auditory maturation in children with language-based learning problems.

AFFILIATION: The University of Texas at Dallas, School of Behavioral and Brain Sciences, Callier Advanced Hearing Research Center, 1966 Inwood Rd., Dallas, TX 75206, USA. pgilley@utdallas.edu

Country: Netherlands

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MEDLINETA: Clin Neurophysiol

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