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The temporal contributions of the le...

Samimi, Elizabeth Oster.

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The temporal contributions of the left and right hemispheres in the processing of nonliteral language.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	The temporal contributions of the left and right hemispheres in the processing of nonliteral language./
作者:	Samimi, Elizabeth Oster.
面頁冊數:	176 p.
附註:	Source: Dissertation Abstracts International, Volume: 67-03, Section: B, page: 1737.
Contained By:	Dissertation Abstracts International67-03B.
標題:	Psychology, Psychobiology. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3208813
ISBN:	9780542573859

The temporal contributions of the left and right hemispheres in the processing of nonliteral language.
Samimi, Elizabeth Oster.

The temporal contributions of the left and right hemispheres in the processing of nonliteral language. - 176 p.

Source: Dissertation Abstracts International, Volume: 67-03, Section: B, page: 1737.

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

This dissertation addressed issues of callosal relay and hemispheric asymmetries in lexical activation and the real-time comprehension of nonliteral language (i.e., metaphors) in neurologically intact populations. Results showed that the cerebral hemispheres process individual lexical items fairly similarly. Left hemisphere and right hand advantages were found for lexical-semantic processing, with a faster transfer of linguistic information from the right hemisphere to the left hemisphere. At the isolated word level, psycholinguistic influences (i.e., concreteness, imageability, frequency of occurrence, length) did not appear to produce any real asymmetries in hemispheric processing, revealing bilateral sensitivities in accuracy and response latencies. Both hemispheres were capable of independently activating lexical items and were able to transfer linguistic information across the corpus callosum.

ISBN: 9780542573859Subjects--Topical Terms:

1017821
Psychology, Psychobiology.

The temporal contributions of the left and right hemispheres in the processing of nonliteral language.
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245 1 4 $a The temporal contributions of the left and right hemispheres in the processing of nonliteral language.
300 $a 176 p.
500 $a Source: Dissertation Abstracts International, Volume: 67-03, Section: B, page: 1737.
500 $a Advisers: David Swinney; Lewis Shapiro.
502 $a Thesis (Ph.D.)--University of California, San Diego and San Diego State University, 2006.
520 $a This dissertation addressed issues of callosal relay and hemispheric asymmetries in lexical activation and the real-time comprehension of nonliteral language (i.e., metaphors) in neurologically intact populations. Results showed that the cerebral hemispheres process individual lexical items fairly similarly. Left hemisphere and right hand advantages were found for lexical-semantic processing, with a faster transfer of linguistic information from the right hemisphere to the left hemisphere. At the isolated word level, psycholinguistic influences (i.e., concreteness, imageability, frequency of occurrence, length) did not appear to produce any real asymmetries in hemispheric processing, revealing bilateral sensitivities in accuracy and response latencies. Both hemispheres were capable of independently activating lexical items and were able to transfer linguistic information across the corpus callosum.
520 $a In the processing of sentential metaphors, however, the hemispheres were observed to work in concert. Both hemispheres were found to play critical roles, with the right hemisphere involved in exhaustively accessing literal and metaphoric interpretations for highly familiar metaphors, and maintaining metaphoric meanings later in the sentence. The left hemisphere, in contrast, showed early activation of metaphoric meanings---suggesting that the left hemisphere is form-driven and may store lexicalized representations for figurative concepts. At the offset of the metaphor, however, the left hemisphere demonstrated dampening of those meanings, only showing activation of literal interpretations---and only for less familiar metaphors. A slow rise in activation was observed for less familiar metaphor interpretations-requiring additional time to transfer semantic features. Additionally, the left hemisphere maintained exhaustive access of literal meanings for both highly familiar and less familiar metaphors.
520 $a Exploring interhemispheric transfer revealed that callosal relay served as a motor pathway for the left hemisphere (with similar transmission times across linguistic variables) but was influenced by linguistic complexity in the right hemisphere. Importantly, the hemispheres collaborated and shared information across the corpus callosum, so that similar linguistic information was never active in both hemispheres simultaneously. Such a mechanism aids in the efficiency of the processing system, preventing redundancy during language processing, presenting a complex, but highly integrated and complementary, picture of hemispheric processing and collaboration during the on-line comprehension of metaphoric language.
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650 4 $a Health Sciences, Speech Pathology. $3 1018105
650 4 $a Psychology, Experimental. $3 517106
650 4 $a Psychology, Cognitive. $3 1017810
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710 2 $a University of California, San Diego and San Diego State University. $3 1264460
773 0 $t Dissertation Abstracts International $g 67-03B.
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790 1 0 $a Shapiro, Lewis, $e advisor
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