Journal article

High temporal resolution decoding of object position and category

Thomas A Carlson, Hinze Hogendoorn, Ryota Kanai, Juraj Mesik, Jeremy Turret

JOURNAL OF VISION | ASSOC RESEARCH VISION OPHTHALMOLOGY INC | Published : 2011

Abstract

We effortlessly and seemingly instantaneously recognize thousands of objects, although we rarely--if ever--see the same image of an object twice. The retinal image of an object can vary by context, size, viewpoint, illumination, and location. The present study examined how the visual system abstracts object category across variations in retinal location. In three experiments, participants viewed images of objects presented to different retinal locations while brain activity was recorded using magnetoencephalography (MEG). A pattern classifier was trained to recover the stimulus position (Experiments 1, 2, and 3) and category (Experiment 3) from the recordings. Using this decoding approach, w..

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