Visual memory during pauses between successive saccades.

Journal of Vision
Timothy M GerschBarbara A Dosher

Abstract

Selective attention is closely linked to eye movements. Prior to a saccade, attention shifts to the saccadic goal at the expense of surrounding locations. Such a constricted attentional field, while useful to ensure accurate saccades, constrains the spatial range of high-quality perceptual analysis. The present study showed that attention could be allocated to locations other than the saccadic goal without disrupting the ongoing pattern of saccades. Saccades were made sequentially along a color-cued path. Attention was assessed by a visual memory task presented during a random pause between successive saccades. Saccadic planning had several effects on memory: (1) fewer letters were remembered during intersaccadic pauses than during maintained fixation; (2) letters appearing on the saccadic path, including locations previously examined, could be remembered; off-path performance was near chance; (3) memory was better at the saccadic target than at all other locations, including the currently fixated location. These results show that the distribution of attention during intersaccadic pauses results from a combination of top-down enhancement at the saccadic target coupled with a more automatic allocation of attention to selected di...Continue Reading

Citations

Jan 18, 2011·Vision Research·Eileen Kowler
Nov 14, 2012·Vision Research·Alex L WhiteMarisa Carrasco
Jan 22, 2015·PloS One·Michele Burigo, Pia Knoeferle
Jun 11, 2021·Psychonomic Bulletin & Review·Janet H HsiaoLi Jingling

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