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Abstract
This study investigates the information content of epidural field potentials (EFPs) in macaque primary visual cortex (V1) regarding visual stimulus features. Two monkeys were presented with various combinations of location, size, shape, and color. Results show EFPs are highly specific for location and significantly modulated by size, shape, and color, enabling high stimulus classification rates even at the single-trial level. This suggests EFPs are a valuable, minimally invasive signal source for long-term recordings in both basic and applied neuroscience.
Publisher
Communications Biology
Published On
Jun 07, 2021
Authors
Benjamin Fischer, Detlef Wegener
DOI
https://doi.org/10.1038/s42003-021-02207-w
Tags
epidural field potentials
visual cortex
macaque
neuroscience
stimulus classification
non-invasive

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