期刊论文详细信息
Frontiers in Psychology
Hemispheric asymmetries in word recognition as revealed by the orthographic uniqueness point effect
Cristina Izura1 
关键词: orthographic uniqueness point;    visual word recognition;    cerebral hemispheres;    N170;    serial/parallel processing;    event-related potential;   
DOI  :  10.3389/fpsyg.2014.00244
学科分类:心理学(综合)
来源: Frontiers
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【 摘 要 】

The orthographic uniqueness point (OUP) refers to the first letter of a word that, reading from left to right, makes the word unique. It has recently been proposed that OUPs might be relevant in word recognition and their influence could inform the long-lasting debate of whether – and to what extent – printed words are recognized serially or in parallel. The present study represents the first investigation of the neural and behavioral effects of OUP on visual word recognition. Behaviourally, late OUP words were identified faster and more accurately in a lexical decision task. Analysis of event-related potentials demonstrated a hemispheric asymmetry on the N170 component, with the left hemisphere appearing to be more sensitive to the position of the OUP within a word than the right hemisphere. These results suggest that processing of centrally presented words is likely to occur in a partially parallel manner, as an ends-in scanning process.

【 授权许可】

CC BY   

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