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Applying near-infrared spectroscopy ...

Wruck, Eric Michael.

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Applying near-infrared spectroscopy (NIRS) to the study of speech perception in infants.

Record Type:	Language materials, printed : Monograph/item
Title/Author:	Applying near-infrared spectroscopy (NIRS) to the study of speech perception in infants./
Author:	Wruck, Eric Michael.
Description:	67 p.
Notes:	Chair: Heather Bortfeld.
Contained By:	Dissertation Abstracts International66-04B.
Subject:	Psychology, Cognitive. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3172087
ISBN:	9780542092565

Applying near-infrared spectroscopy (NIRS) to the study of speech perception in infants.
Wruck, Eric Michael.

Applying near-infrared spectroscopy (NIRS) to the study of speech perception in infants. - 67 p.

Chair: Heather Bortfeld.

Thesis (Ph.D.)--Texas A&M University, 2005.

Over recent decades, much has been learned about the perceptual capacity that enables infants to recognize and understand language. However, not until very recently have the neural mechanisms that are the substance of language learning been investigated. A recently developed optical imaging technique called near-infrared spectroscopy (NIRS) shows promise for being an acceptable alternative to invasive imaging techniques. NIRS measures correlates of neural activity by assessing hemoglobin concentration changes in the infant brain. The research presented here investigates neural activation in the left temporal and occipital cortex regions during exposure to speech and visual stimuli. As hypothesized, hemodynamic reaction was observed in both areas. Results indicate a significant activation in response to speech in the left temporal region, and an intriguing difference between uni- and bi-modally presented speech stimuli. These results have interesting implications for future multi-modal studies of infant speech perception.

ISBN: 9780542092565Subjects--Topical Terms:

1017810
Psychology, Cognitive.

Applying near-infrared spectroscopy (NIRS) to the study of speech perception in infants.
LDR:01946nam 2200289 a 45 001 972077
005 20110927
008 110927s2005 eng d
020 $a 9780542092565
035 $a (UMI)AAI3172087
035 $a AAI3172087
040 $a UMI $c UMI
100 1 $a Wruck, Eric Michael. $3 1296097
245 1 0 $a Applying near-infrared spectroscopy (NIRS) to the study of speech perception in infants.
300 $a 67 p.
500 $a Chair: Heather Bortfeld.
500 $a Source: Dissertation Abstracts International, Volume: 66-04, Section: B, page: 2322.
502 $a Thesis (Ph.D.)--Texas A&M University, 2005.
520 $a Over recent decades, much has been learned about the perceptual capacity that enables infants to recognize and understand language. However, not until very recently have the neural mechanisms that are the substance of language learning been investigated. A recently developed optical imaging technique called near-infrared spectroscopy (NIRS) shows promise for being an acceptable alternative to invasive imaging techniques. NIRS measures correlates of neural activity by assessing hemoglobin concentration changes in the infant brain. The research presented here investigates neural activation in the left temporal and occipital cortex regions during exposure to speech and visual stimuli. As hypothesized, hemodynamic reaction was observed in both areas. Results indicate a significant activation in response to speech in the left temporal region, and an intriguing difference between uni- and bi-modally presented speech stimuli. These results have interesting implications for future multi-modal studies of infant speech perception.
590 $a School code: 0803.
650 4 $a Psychology, Cognitive. $3 1017810
650 4 $a Psychology, Developmental. $3 1017557
650 4 $a Psychology, Psychobiology. $3 1017821
690 $a 0349
690 $a 0620
690 $a 0633
710 2 0 $a Texas A&M University. $3 718977
773 0 $t Dissertation Abstracts International $g 66-04B.
790 $a 0803
790 1 0 $a Bortfeld, Heather, $e advisor
791 $a Ph.D.
792 $a 2005
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3172087