کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
10467203 | 925801 | 2005 | 7 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Word frequency and the lateralization of lexical processes
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کلمات کلیدی
موضوعات مرتبط
علوم زیستی و بیوفناوری
علم عصب شناسی
علوم اعصاب رفتاری
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چکیده انگلیسی
Despite the extensive clinical and neuropsychological evidence for major differences in language function between the left and right hemispheres, it has proven difficult to demonstrate reliable differences in lexical processing. It is particularly surprising that frequency has been found to have no differential effects upon word recognition in the hemispheres, in view of the evidence that this variable has significant effects upon lexical processing. It is possible, however, that any interaction between word frequency and hemispheric processes is too subtle or too complex to be revealed by the simple dichotomous studies previously attempted. This study manipulated word frequency across seven levels in an effort to provide a fine-grained insight into the relationship between word frequency and lexical processing in the hemispheres. The results revealed a clear additivity between visual field and word frequency across all levels of frequency, for both RT and errors. Such findings create difficulties for the interpretation of studies of lateralized lexical access in general, and are particularly hard to reconcile with lateral asymmetries revealed in other aspects of lexical processing. It is proposed that a resolution of this problem may depend upon the development of theories that emphasise the notion of laterally distributed word representations, rather than discrete lexical structures on each side of the brain.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Neuropsychologia - Volume 43, Issue 1, 2005, Pages 142-148
Journal: Neuropsychologia - Volume 43, Issue 1, 2005, Pages 142-148
نویسندگان
Jeffrey Coney,