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The planning of refixation saccades in reading

The planning of refixation saccades in reading,Dorine Vergilino,Cecile Beauvillain

The planning of refixation saccades in reading   (Citations: 29)
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The planning of the refixation saccade, i.e. the second saccade on 9- and 11-letter-strings, was assessed in two reading experiments that examined the influence of a length change at different times during the first fixation on a letter string. The results showed that the saccadic system was able to modify the first motor program if the new length information was available 150-190 ms before the execution of the refixation saccade. Moreover, the amplitude of the refixation saccade was found to be planned as a constant movement relative to the length of the item, regardless of the position of the initial fixation on the item. Finally, the refixation saccade seems to be preprogrammed before the primary saccade, depending on the length integrated at that time. Overall, these results suggest that the refixation saccade is programmed on the basis of the intrinsic properties of the item, such as its length. © 2000 Published by Elsevier Science Ltd.
Published in 2000.
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    • ...This lack of adaptation for within-object saccades could be explained by the fact that the critical coding parameter for within-object saccades is not the position but the object size (Vergilino and Beauvillain 2000)...

    Louisa Lavergneet al. Adaptation of within-object saccades can be induced by changing stimul...

    • ...Second, longer words are often fixated more than once before leaving the word; that is, they are refixated (see McConkie, Kerr, Reddix, Zola, & Jacobs, 1989; McDonald & Shillcock, 2004; Vergilino & Beauvillain, 2000, 2001; Vergilino-Perez, Collins, & Dore-Mazars, 2004)...

    Keith Rayner. Eye movements and attention in reading, scene perception, and visual s...

    • ...Recent studies using isolated word or letter-string reading argue for an alternative view in which the refixation saccade may be preplanned before the word is fixated (Beauvillain, Vergilino, & Dukic, 2000; Vergilino & Beauvillain, 2000, 2001; Vergilino-Perez & Beauvillain, in press)...
    • ...A second argument for the refixation saccade preplanning hypothesis comes from an experiment in which the length of a target letter string was changed during the first saccade directed to it or at different times during the first fixation on it (Vergilino & Beauvillain, 2000)...
    • ...Notably, whereas an artificial error does not involve a correction of the refixation saccade preprogram, the length change occurring during the first fixation permits a modification of the refixation program if the new information is provided sufficiently early, 150–200 ms before the end of the first fixation (Vergilino & Beauvillain, 2000)...
    • ...These first results replicating Vergilino and Beauvillain (2000, 2001) suggest that the refixation saccade is preplanned before the word is fixated and simply applied during the first fixation without any influence of word frequency...
    • ...As demonstrated recently by Vergilino and Beauvillain (2000, 2001) and Beauvillain et al. (2000), we found here that the refixation saccade amplitude depends mainly on...

    Dorine Vergilino-Perezet al. Decision and metrics of refixations in reading isolated words

    • ...Although the location of intra-word refixations has been examined in a number of specialised tasks (see Beauvillain, Dukic, & Vergilino, 1999; O’Regan & Lévy-Schoen, 1987; Vergilino & Beauvillain, 2000, 2001; Vergilino-Perez, Collins, & Dore-Mazars, 2004), very little research has been undertaken on refixation locations in normal reading (McConkie et al., 1989)...

    Holly S. S. L. Josephet al. Word length and landing position effects during reading in children an...

    • ...In this case, the amplitude of the second saccade was constant and based on the object size integrated before the first saccade (Vergilino and Beauvillain, 2000)...

    Thérèse Collinset al. Saccadic adaptation depends on object selection: Evidence from between...

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