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Biases in the perceived timing of perisaccadic perceptual and motor events

Whiteley, L., Yarrow, K., Haggard, P. and Rothwell, J. C. (2006). Biases in the perceived timing of perisaccadic perceptual and motor events. Attention, Perception and Psychophysics, 68(7), pp. 1217-1226. doi: 10.3758/BF03193722

Abstract

Subjects typically experience the temporal interval immediately following a saccade as longer than a comparable control interval. One explanation of this effect is that the brain antedates the perceptual onset of a saccade target to around the time of saccade initiation. This could explain the apparent continuity of visual perception across eye movements. Thisantedating account was tested in three experiments in which subjects made saccades of differing extents and then judged either the duration or the temporal order of key events. Postsaccadic stimuli underwent subjective temporal lengthening and had early perceived onsets. A temporally advanced awareness of saccade completion was also found, independently of antedating effects. These results provide convergent evidence supporting antedating and differentiating it from other temporal biases.

Publication Type: Article
Additional Information: The final publication is available at www.springerlink.com.
Publisher Keywords: SACCADIC EYE-MOVEMENTS, LOCALIZATION ERRORS, VISUAL-PERCEPTION, PRIOR ENTRY, TIME, SPACE, MONKEY, ORDER, REPRESENTATION, CHRONOSTASIS
Subjects: Q Science > QP Physiology
Departments: School of Arts & Social Sciences > Psychology
URI: http://openaccess.city.ac.uk/id/eprint/331
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