May 2008
Volume 8, Issue 6
Free
Vision Sciences Society Annual Meeting Abstract  |   May 2008
An irrelevant sound can change peri-saccadic mislocalisation
Author Affiliations
  • Femke Maij
    Facultay of Human Movement Sciences, Vrije Universiteit Amsterdam, The Netherlands
  • Eli Brenner
    Facultay of Human Movement Sciences, Vrije Universiteit Amsterdam, The Netherlands
  • Jeroen Smeets
    Facultay of Human Movement Sciences, Vrije Universiteit Amsterdam, The Netherlands
Journal of Vision May 2008, Vol.8, 528. doi:10.1167/8.6.528
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      Femke Maij, Eli Brenner, Jeroen Smeets; An irrelevant sound can change peri-saccadic mislocalisation. Journal of Vision 2008;8(6):528. doi: 10.1167/8.6.528.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

When targets are flashed around the time of a saccade, the flashed target is often mislocalised. It has been proposed that such systematical peri-saccadic mislocalisation is due to an incorrect remapping of space. However, the mislocalisation could also be due to temporal errors in the combination of retinal stimulation and extraretinal information about the eye orientation. In this study, we evaluate the extent to which temporal errors contributes to peri-saccadic mislocalisation by examining whether the time course of the mislocalisation is influenced by presenting an irrelevant tone at different moments before (200, 150, 100 and 50 ms), during (0 ms) or after (50 ms) the flash. In our experiment, the perceived position of the flash was compressed towards the target near the time of the saccade. If the tone was presented before the flash, the time course of this compression shifts in the same way as it would if the flash had been presented earlier with respect to the saccade. The shift was maximal (about 12 ms) when the tone was presented 100 ms before the flash, and negligible when the tone was presented after the flash or more than 200ms before the flash. This result suggests that temporal errors are relevant for peri-saccadic mislocalisation.

Maij, F. Brenner, E. Smeets, J. (2008). An irrelevant sound can change peri-saccadic mislocalisation [Abstract]. Journal of Vision, 8(6):528, 528a, http://journalofvision.org/8/6/528/, doi:10.1167/8.6.528. [CrossRef]
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