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  2. Sequential alpha and theta dynamics resolve competition between rival visual stimuli

    1. Wen Wen
    2. Yichen Wu
    3. Robert M.G. Reinhart
    4. Sheng Li

    • Curated by eLife

      eLife Assessment

      In this study, electroencephalography was recorded during a binocular-rivalry paradigm in which participants viewed a target and a distractor stimulus. The stimuli were independently frequency-tagged, allowing the researchers to track target and distractor processing over time. The findings suggest that parietal alpha oscillations initially segregate competing inputs, followed by frontal theta activity associated with suppression of distractor representations. The significance of these findings is valuable, although the strength of the evidence remains incomplete, because of specific experiment design choices and methodological limitations.

    Reviewed by eLife

    4 evaluationsAppears in 1 listLatest version Latest activity

  4. Topological structure in human spatial representation revealed through drawing

    1. Mahwish Kittur
    2. Agnes Zhang
    3. Nessa V. Bryce
    4. Sami R. Yousif

    • Curated by eLife

      eLife Assessment

      This important paper provides evidence that visual representations, as observed through drawing, preferentially preserve topological features over metric features. Across three experiments with different age groups and creative converging methods, they demonstrate that holes and T-junctions are relatively preserved as compared to topologically irrelevant L-junctions, and Euclidian features like length or precise angle. Together, these data provide convincing evidence for topology as an organizing principle for spatial representation, but the work would be strengthened by considering a broader range of topological features, or by ruling out alternative accounts, like preserved memory for complex features, motor production limitations, or noisy compression, that may produce a similar pattern without a topological prior.

    Reviewed by eLife

    4 evaluationsAppears in 1 listLatest version Latest activity
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