Is delayed foveal feedback critical for extra-foveal perception?

Christopher D. Chambers*, Christopher P G Allen, Leah Maizey, Mark A. Williams

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    18 Citations (Scopus)

    Abstract

    Recent neuroimaging evidence suggests that visual inputs arising beyond the fovea can be 'fed back' to foveal visual cortex to construct a new retinotopic representation. However, whether these representations are critical for extra-foveal perception remains unclear. Using transcranial magnetic stimulation we found that relatively late (350-400 msec) disruption of foveal retinotopic cortex impaired perceptual discrimination of objects in the periphery. These results are consistent with the hypothesis that feedback to the foveal retinotopic cortex is crucial for extra-foveal perception, and provide additional evidence for 'constructive' feedback in human vision.

    Original languageEnglish
    Pages (from-to)327-335
    Number of pages9
    JournalCortex
    Volume49
    Issue number1
    DOIs
    Publication statusPublished - Jan 2013

    Fingerprint Dive into the research topics of 'Is delayed foveal feedback critical for extra-foveal perception?'. Together they form a unique fingerprint.

    Cite this