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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.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Applying near-infrared spectroscopy (NIRS) to the study of speech perception in infants./
作者:	Wruck, Eric Michael.
面頁冊數:	67 p.
附註:	Chair: Heather Bortfeld.
Contained By:	Dissertation Abstracts International66-04B.
標題:	Psychology, Cognitive. -
電子資源:	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.
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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.
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