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ERIC Number: EJ794216
Record Type: Journal
Publication Date: 2008-Jun
Pages: 12
Abstractor: Author
Reference Count: 0
ISSN: ISSN-0093-934X
Lexical Competition is Enhanced in the Left Hemisphere: Evidence from Different Types of Orthographic Neighbors
Perea, Manuel; Acha, Joana; Fraga, Isabel
Brain and Language, v105 n3 p199-210 Jun 2008
Two divided visual field lexical decision experiments were conducted to examine the role of the cerebral hemispheres in orthographic neighborhood effects. In Experiment 1, we employed two types of words: words with many substitution neighbors (high-"N") and words with few substitution neighbors (low-"N"). Results showed a facilitative effect of "N" in the left visual field (i.e., right hemisphere) and an inhibitory effect of "N" in the right visual field (left hemisphere). In Experiment 2, we examined whether the inhibitory effect of the higher frequency neighbors increases in the left hemisphere as compared to the right hemisphere. To go beyond the usual "N"-metrics, we selected words with (or without) higher frequency neighbors (addition, deletion, or transposition neighbors). Results showed that the inhibitory effect of neighborhood frequency is enhanced in the right visual field. We examine the implications of these findings for the orthographic coding schemes employed by the models of visual word recognition.
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Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A