Spatio-temporal topography of saccadic overestimation of time

Jonas Knöll, M. Concetta Morrone, Frank Bremmer

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Rapid eye movements (saccades) induce visual misperceptions. A number of studies in recent years have investigated the spatio-temporal profiles of effects like saccadic suppression or perisaccadic mislocalization and revealed substantial functional similarities. Saccade induced chronostasis describes the subjective overestimation of stimulus duration when the stimulus onset falls within a saccade. In this study we aimed to functionally characterize saccade induced chronostasis in greater detail. Specifically we tested if chronostasis is influenced by or functionally related to saccadic suppression. In a first set of experiments, we measured the perceived duration of visual stimuli presented at different spatial positions as a function of presentation time relative to the saccade. We further compared perceived duration during saccades for isoluminant and luminant stimuli. Finally, we investigated whether or not saccade induced chronostasis is dependent on the execution of a saccade itself. We show that chronostasis occurs across the visual field with a clear spatio-temporal tuning. Furthermore, we report chronostasis during simulated saccades, indicating that spurious retinal motion induced by the saccade is a prime origin of the phenomenon.

Original languageEnglish
Pages (from-to)56-65
Number of pages10
JournalVision Research
Volume83
DOIs
Publication statusPublished - May 3 2013

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Saccades
REM Sleep
Visual Fields

Keywords

  • Chronostasis
  • Eye movements
  • Perceptual distortion
  • Saccades
  • Time perception

ASJC Scopus subject areas

  • Ophthalmology
  • Sensory Systems

Cite this

Spatio-temporal topography of saccadic overestimation of time. / Knöll, Jonas; Morrone, M. Concetta; Bremmer, Frank.

In: Vision Research, Vol. 83, 03.05.2013, p. 56-65.

Research output: Contribution to journalArticle

Knöll, Jonas ; Morrone, M. Concetta ; Bremmer, Frank. / Spatio-temporal topography of saccadic overestimation of time. In: Vision Research. 2013 ; Vol. 83. pp. 56-65.
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