Just passing through? Inhibition of return in saccadic sequences

W. Joseph MacInnes, Hannah M. Krueger, Amelia R. Hunt

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Responses tend to be slower to previously fixated spatial locations, an effect known as “inhibition of return” (IOR). Saccades cannot be assumed to be independent, however, and saccade sequences programmed in parallel differ from independent eye movements. We measured the speed of both saccadic and manual responses to probes appearing in previously fixated locations when those locations were fixated as part of either parallel or independent saccade sequences. Saccadic IOR was observed in independent but not parallel saccade sequences, while manual IOR was present in both parallel and independent sequence types. Saccadic IOR was also short-lived, and dissipated with delays of more than ∼1500 ms between the intermediate fixation and the probe onset. The results confirm that the characteristics of IOR depend critically on the response modality used for measuring it, with saccadic and manual responses giving rise to motor and attentional forms of IOR, respectively. Saccadic IOR is relatively short-lived and is not observed at intermediate locations of parallel saccade sequences, while attentional IOR is long-lasting and consistent for all sequence types.
Original languageEnglish
Pages (from-to)402-416
Number of pages15
JournalQuarterly Journal of Experimental Psychology
Volume68
Issue number2
Early online date15 Sep 2014
DOIs
Publication statusPublished - 2015

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Saccades
Eye Movements

Keywords

  • visual attention
  • visual search
  • inhibition of return (IOR)
  • saccadic sequences

Cite this

Just passing through? Inhibition of return in saccadic sequences. / MacInnes, W. Joseph; Krueger, Hannah M.; Hunt, Amelia R.

In: Quarterly Journal of Experimental Psychology, Vol. 68, No. 2, 2015, p. 402-416.

Research output: Contribution to journalArticle

MacInnes, W. Joseph ; Krueger, Hannah M. ; Hunt, Amelia R. / Just passing through? Inhibition of return in saccadic sequences. In: Quarterly Journal of Experimental Psychology. 2015 ; Vol. 68, No. 2. pp. 402-416.
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