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Embodiment and the neural correlates...

Arevalo, Analia L.

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Embodiment and the neural correlates of gestures and word meanings: An investigation targeting different populations, languages and study techniques.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Embodiment and the neural correlates of gestures and word meanings: An investigation targeting different populations, languages and study techniques./
作者:	Arevalo, Analia L.
面頁冊數:	147 p.
附註:	Advisers: Beverly Wulfeck; Nina Dronkers.
Contained By:	Dissertation Abstracts International67-12B.
標題:	Language, Linguistics. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3244168
ISBN:	9780542999178

Embodiment and the neural correlates of gestures and word meanings: An investigation targeting different populations, languages and study techniques.
Arevalo, Analia L.

Embodiment and the neural correlates of gestures and word meanings: An investigation targeting different populations, languages and study techniques. - 147 p.

Advisers: Beverly Wulfeck; Nina Dronkers.

Thesis (Ph.D.)--University of California, San Diego and San Diego State University, 2006.

The overarching goal of this work is to understand the brain's organization for meaning (linguistic and non-linguistic). Our group began to investigate this question by comparing noun and verb processing, following previous research showing distinctions in the way these two word categories are processed across different populations and languages. In the brain-injury literature, classic aphasia theories contend that patients show differential abilities on noun vs. verb processing, resulting in a noun-verb double-dissociation between patient groups. In addition, studies using various neuroimaging techniques have suggested the involvement of different neural areas and/or networks in noun vs. verb retrieval, with the left frontal lobe being especially crucial for verb processing. However, neither imaging nor clinical results are consistent, and to date, no unified theory can account for the various findings reported in the literature.

ISBN: 9780542999178Subjects--Topical Terms:

1018079
Language, Linguistics.

Embodiment and the neural correlates of gestures and word meanings: An investigation targeting different populations, languages and study techniques.
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245 1 0 $a Embodiment and the neural correlates of gestures and word meanings: An investigation targeting different populations, languages and study techniques.
300 $a 147 p.
500 $a Advisers: Beverly Wulfeck; Nina Dronkers.
500 $a Source: Dissertation Abstracts International, Volume: 67-12, Section: B, page: 7396.
502 $a Thesis (Ph.D.)--University of California, San Diego and San Diego State University, 2006.
520 $a The overarching goal of this work is to understand the brain's organization for meaning (linguistic and non-linguistic). Our group began to investigate this question by comparing noun and verb processing, following previous research showing distinctions in the way these two word categories are processed across different populations and languages. In the brain-injury literature, classic aphasia theories contend that patients show differential abilities on noun vs. verb processing, resulting in a noun-verb double-dissociation between patient groups. In addition, studies using various neuroimaging techniques have suggested the involvement of different neural areas and/or networks in noun vs. verb retrieval, with the left frontal lobe being especially crucial for verb processing. However, neither imaging nor clinical results are consistent, and to date, no unified theory can account for the various findings reported in the literature.
520 $a Leading theories on how word types dissociate from each other include distinctions at the lexical level, correlations between featural properties, and distinct sensorimotor representations. Recent theories on embodied cognition have suggested that processing such stimuli involves imagery of the different body parts associated with a given concept, with activity in the sensorimotor areas along the cortex corresponding to those body parts.
520 $a In my dissertation work, I implemented psycholinguistic and neuroimaging techniques to systematically test these putative distinctions. Our noun-verb stimuli were tested behaviorally on healthy and aphasic participants and in an fMRI paradigm on healthy participants who were native speakers of two structurally diverse languages: English and Italian. The noun-verb distinction was consistent across healthy and patient groups and we found no convincing evidence for the classic double-dissociation. The hand imagery data, on the other hand, revealed an unexpected double-dissociation between patient and control performance, suggesting this dimension may play an important role in the process of meaning organization. These results represent a first step in the systematic testing of two major views on the mental organization for meaning. With new behavioral and imaging studies on the way targeting these distinctions directly, we hope to reveal a clearer picture of semantic organization and breakdown, bringing us one step forward in our understanding of how the brain organizes meaning.
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650 4 $a Psychology, Psychobiology. $3 1017821
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790 1 0 $a Wulfeck, Beverly, $e advisor
791 $a Ph.D.
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