Development of auditory selective attention: event-related potential measures of channel selection and target detection.

Development of auditory selective attention: event-related potential measures of channel selection and target detection. Research Abstract Details 

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Development of auditory selective attention: event-related potential measures of channel selection and target detection. Abstract Text:

Hilary Gomes,Martin Duff,Jack Barnhardt,Sophia Barrett,Walter Ritter,

In this study, we examined developmental changes in auditory selective attention using both electrophysiological (Nd, P3b) and behavioral measures while two groups of children (9- and 12-year-olds) and adults were engaged in a two-channel selective attention task. Channel was determined by frequency (1000 or 2000 Hz). Targets in one condition were shorter than the standards (duration target) and in the other were softer (intensity target). We found that the Nd onset and peak latencies for the children were significantly longer than for the adults. Nd amplitude, however, did not differ between the groups. Further, all groups evidenced P3b to attended targets but not to unattended deviants. Hits, reaction times, and false alarms to unattended deviants continued to evidence improvements through adolescence. Taken together, our data are most consistent with a model of developmental improvement in the speed and efficiency of attention allocation.

Development of auditory selective attention: event-related potential measures of channel selection and target detection. Publishing Authors By Initials

H Gomes,M Duff,J Barnhardt,S Barrett,W Ritter,

For similar reaction time research abstracts see: reaction time research

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Development of auditory selective attention: event-related potential measures of channel selection and target detection. Journal Published:

PUBLICATION TYPE: Research Support, N.I.H., Extr

Journal: Psychophysiology

VOLUME: 44

Page Numbers: 711-27

Journal Abbreviation:

ISSN: 0048-5772

DAY: 3

MONTH: 07

YEAR: 2007

Development of auditory selective attention: event-related potential measures of channel selection and target detection. Information

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LANGUAGE: eng

NlmUniqueID: 142657

Development of auditory selective attention: event-related potential measures of channel selection and target detection. Keywords Mesh Terms:

KEYWORDS: Reaction Time

MESH TERMS: physiology

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Grant and Affiliation Information for Development of auditory selective attention: event-related potential measures of channel selection and target detection.

AFFILIATION: Cognitive Neuroscience Program, City College of New York, New York, New York 10031, USA. hgomes@earthlink.net

Country: United States

AGENCY: United States NIDCD

GRANT: DC 04992

ACRONYM: DC

MEDLINETA: Psychophysiology

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