Show Reference: "Feature-based effects in the coupling between attention and saccades"

Feature-based effects in the coupling between attention and saccades Journal of Vision, Vol. 12, No. 11. (31 October 2012), doi:10.1167/12.11.27 by Sabine Born, Ulrich Ansorge, Dirk Kerzel
@article{born-et-al-2012,
    abstract = {Previous research has demonstrated that prior to saccade execution visual attention is imperatively shifted towards the saccade target (e.g., Deubel \& Schneider, 1996; Kowler, Anderson, Dosher, \& Blaser, 1995). Typically, observers had to make a saccade according to an arrow cue and simultaneously perform a perceptual discrimination task either at the saccade endpoint or elsewhere on the screen. Discrimination performance was poor if the location of the saccade target ({ST}) and the discrimination target ({DT}) did not coincide. However, those experiments only investigated shifts of spatial attention. In the current experiments, we examined how feature-based attention is deployed before a saccade. In Experiment 1, we randomly varied the colors of the {ST} and {DT}. Results showed that discrimination performance was better when the {DT} was shown in the same color as the {ST}. This color congruency effect was slightly larger and more reliable when {ST} color was relevant and constant across trials (Experiment 2). We conclude that selection of a colored {ST} can induce display-wide facilitative processing of stimuli sharing this color. Results are discussed in terms of saccade programming and saccade selection, color priming in visual search, color cuing, and color-based top-down contingent attentional capture. We also discuss basic mechanisms of spatial- and feature-based attention and predictive remapping of visual information across saccades.},
    author = {Born, Sabine and Ansorge, Ulrich and Kerzel, Dirk},
    day = {31},
    doi = {10.1167/12.11.27},
    issn = {1534-7362},
    journal = {Journal of Vision},
    keywords = {attention, biology, eye-movements, eye-saccades, feature-attention, motor},
    month = oct,
    number = {11},
    pmid = {23115215},
    posted-at = {2012-12-12 11:22:27},
    priority = {2},
    publisher = {Association for Research in Vision and Ophthalmology},
    title = {Feature-based effects in the coupling between attention and saccades},
    url = {http://dx.doi.org/10.1167/12.11.27},
    volume = {12},
    year = {2012}
}

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Feature-based visual attention facilitates object detection across the visual field.

There are parallels between visual attention and eye movements because both serve the purpose of directing our processing of visual information to stimuli from a region in space that is small enough to handle for our brain.

Since visual attention and eye movements are so tightly connected in the process of visual exploration of a scene, it has been suggested that the same mechanisms may be (partially) responsible for guiding them.

There is evidence suggesting that one cannot plan a saccade to one point in space and turn covert visual attention to another at the same time.

It has been found that stimulating supposed motor neurons in the SC facilitates visual processing in the part of visual cortex whose receptive field is the same as that of the SC stimulated neurons.

Feature-based visual attention facilitates neural responses across the visual field (in visual cortex).

Born et al. provided evidence which shows that preparing a saccade alone already enhances visual processing at the target of the saccade: discrimination targets presented before saccade onset were identified more successfully if they were in the location of the saccade target than when they were not.

Born et al. showed that, if the color of a saccade target stimulus is task relevant, then identification of a discrimination target with that same color is enhanced even if it is not in the same location.

It has been found that stimulating supposed motor neurons in the SC enhances responses of v4 neurons with the same receptive field as the SC neurons.