Word processing speed in peripheral vision measured with a saccadic choice task

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• 作者：Myriam Chanceaux^a ; ^{myriam.chanceaux@univ-provence.fr} ; Franç ; oise Vitu^a ; Luisa Bendahman^a ; Simon Thorpe^b ; Jonathan Grainger^a
• 关键词：Eye movements ; Saccadic choice task ; Word processing ; Peripheral vision
• 刊名：Vision Research
• 出版年：2012
• 期刊代码：268_00426989
• 类别：med
• 出版时间：1 March, 2012
• 卷：56
• 期：Complete
• 页码：10-19
• 文件大小：619 K

摘要

A saccadic choice task () was used to measure word processing speed in peripheral vision. To do so, word targets were accompanied by distractor stimuli, which were random strings of consonants presented in the contralateral visual field. Participants were also tested with the animal stimuli of Kirchner and Thorpe鈥檚 original study. The results obtained with the animal stimuli provide a straightforward replication of prior findings, with the estimated fastest saccade latencies to animal targets being 140 ms. With the word targets, the fastest reliable saccades occurred with latencies of around 200 ms. The results obtained with word targets provide a timing estimate for word processing in peripheral vision that is incompatible with sequential-attention-shift (SAS) accounts of eye movement control in reading.