Evidence for direct control of eye movements during reading

Authors: Dambacher, M., Slattery, T.J., Yang, J., Kliegl, R. and Rayner, K.

Journal: Journal of Experimental Psychology: Human Perception and Performance

Volume: 39

Issue: 5

Pages: 1468-1484

ISSN: 0096-1523

DOI: 10.1037/a0031647

Abstract:

It is well established that fixation durations during reading vary with processing difficulty, but there are different views on how oculomotor control, visual perception, shifts of attention, and lexical (and higher cognitive) processing are coordinated. Evidence for a one-to-one translation of input delay into saccadic latency would provide a much needed constraint for current theoretical proposals. Here, we tested predictions of such a direct-control perspective using the stimulus-onset delay (SOD) paradigm. Words in sentences were initially masked and, on fixation, were individually unmasked with a delay (0-, 33-, 66-, 99-ms SODs). In Experiment 1, SODs were constant for all words in a sentence; in Experiment 2, SODs were manipulated on target words, while nontargets were unmasked without delay. In accordance with predictions of direct control, nonzero SODs entailed equivalent increases in fixation durations in both experiments. Yet, a population of short fixations pointed to rapid saccades as a consequence of low-level information at nonoptimal viewing positions rather than of lexical processing. Implications of these results for theoretical accounts of oculomotor control are discussed. © 2013 American Psychological Association.

http://eprints.bournemouth.ac.uk/22642/

Source: Scopus

Evidence for direct control of eye movements during reading.

Authors: Dambacher, M., Slattery, T.J., Yang, J., Kliegl, R. and Rayner, K.

Journal: J Exp Psychol Hum Percept Perform

Volume: 39

Issue: 5

Pages: 1468-1484

eISSN: 1939-1277

DOI: 10.1037/a0031647

Abstract:

It is well established that fixation durations during reading vary with processing difficulty, but there are different views on how oculomotor control, visual perception, shifts of attention, and lexical (and higher cognitive) processing are coordinated. Evidence for a one-to-one translation of input delay into saccadic latency would provide a much needed constraint for current theoretical proposals. Here, we tested predictions of such a direct-control perspective using the stimulus-onset delay (SOD) paradigm. Words in sentences were initially masked and, on fixation, were individually unmasked with a delay (0-, 33-, 66-, 99-ms SODs). In Experiment 1, SODs were constant for all words in a sentence; in Experiment 2, SODs were manipulated on target words, while nontargets were unmasked without delay. In accordance with predictions of direct control, nonzero SODs entailed equivalent increases in fixation durations in both experiments. Yet, a population of short fixations pointed to rapid saccades as a consequence of low-level information at nonoptimal viewing positions rather than of lexical processing. Implications of these results for theoretical accounts of oculomotor control are discussed.

http://eprints.bournemouth.ac.uk/22642/

Source: PubMed

Evidence for Direct Control of Eye Movements During Reading

Authors: Dambacher, M., Slattery, T.J., Yang, J., Kliegl, R. and Rayner, K.

Journal: JOURNAL OF EXPERIMENTAL PSYCHOLOGY-HUMAN PERCEPTION AND PERFORMANCE

Volume: 39

Issue: 5

Pages: 1468-1484

eISSN: 1939-1277

ISSN: 0096-1523

DOI: 10.1037/a0031647

http://eprints.bournemouth.ac.uk/22642/

Source: Web of Science (Lite)

Evidence for direct control of eye movements during reading.

Authors: Dambacher, M., Slattery, T.J., Yang, J., Kliegl, R. and Rayner, K.

Journal: Journal of Experimental Psychology: Human Perception and Performance

Volume: 39

Pages: 1468

Publisher: American Psychological Association

http://eprints.bournemouth.ac.uk/22642/

Source: Manual

Evidence for direct control of eye movements during reading.

Authors: Dambacher, M., Slattery, T.J., Yang, J., Kliegl, R. and Rayner, K.

Journal: Journal of experimental psychology. Human perception and performance

Volume: 39

Issue: 5

Pages: 1468-1484

eISSN: 1939-1277

ISSN: 0096-1523

DOI: 10.1037/a0031647

Abstract:

It is well established that fixation durations during reading vary with processing difficulty, but there are different views on how oculomotor control, visual perception, shifts of attention, and lexical (and higher cognitive) processing are coordinated. Evidence for a one-to-one translation of input delay into saccadic latency would provide a much needed constraint for current theoretical proposals. Here, we tested predictions of such a direct-control perspective using the stimulus-onset delay (SOD) paradigm. Words in sentences were initially masked and, on fixation, were individually unmasked with a delay (0-, 33-, 66-, 99-ms SODs). In Experiment 1, SODs were constant for all words in a sentence; in Experiment 2, SODs were manipulated on target words, while nontargets were unmasked without delay. In accordance with predictions of direct control, nonzero SODs entailed equivalent increases in fixation durations in both experiments. Yet, a population of short fixations pointed to rapid saccades as a consequence of low-level information at nonoptimal viewing positions rather than of lexical processing. Implications of these results for theoretical accounts of oculomotor control are discussed.

http://eprints.bournemouth.ac.uk/22642/

Source: Europe PubMed Central

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