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Monkey V1 epidural field potentials provide detailed information about stimulus location, size, shape, and color

Medicine and Health

Monkey V1 epidural field potentials provide detailed information about stimulus location, size, shape, and color

B. Fischer and D. Wegener

This groundbreaking study by Benjamin Fischer and Detlef Wegener explores the rich information content of epidural field potentials (EFPs) from macaque primary visual cortex. The research reveals how EFPs can distinguish subtle differences in visual stimuli, making them a promising tool for advanced neuroscience applications.

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Playback language: English
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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