Cited by 71Action Observation and SynchronizationVisual perception and processing mechanismsTactile and Sensory Interactions

EEG μ rhythm in virtual reality reveals that motor coding of visual objects in peripersonal space is task dependent

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Wamain, Yannick, Gabrielli, François, Coello, Yann·2016·Cortex

Abstract

Previous fMRI studies have shown that the visual perception of manipulable objects spontaneously involves the sensorimotor system, especially when the objects are located in peripersonal space. However, it has also been suggested that the motor coding of manipulable objects perceived in peripersonal space depends on an anticipation to interact with them. The present study aims at clarifying this issue by analyzing healthy adults' EEG activity on the centro-parietal region while perceptually judging intrinsic (prototypical or distorted shape) or extrinsic (reachable or not reachable location) properties of visual objects. In both the object identification and reachability judgment tasks, time-frequency decomposition of EEG signals was performed across the first 1000 ms following object presentation for trials on which no post-stimulus response was required (90% of the trials). Event-Related-(De)Synchronization (ERD/S) of μ rhythm was computed using the 150 ms pre-stimulus period as baseline. In the reachability judgment task, EEG analysis showed a desynchronization of μ rhythm starting 300 ms after object presentation, but only when the objects were presented with a prototypical shape in peripersonal space. For those objects, desynchronization of μ rhythm diminished progressively from peripersonal to extrapersonal space. By contrast, no such gradient was observed in the object identification task. On the whole, these data indicate that motor coding of visual objects expressed…

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  • Such behavioral effects may be accompanied by changes in motor cortex excitability.

    “Such behavioral effects may be accompanied by changes in motor cortex excitability”

    From The Peripersonal Space in a social world (2021) · cites this paper as Wamain, Gabrielli, & Coello, 2016

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Authors
Wamain, Y., Gabrielli, F., & Coello, Y.
Affiliations
Centre National de la Recherche Scientifique (FR)
Corresponding author
Coello, Yann
Venue
Cortex
Publisher
Elsevier BV
Published
2016-01
Volume
74
Pages
20-30
ISSN
0010-9452 (ISSN-L)
OpenAlex
W2224748451
Cited by
71
References
77
Citations by year
2026: 6 · 2025: 4 · 2024: 2 · 2023: 8 · 2022: 7 · 2021: 15 · 2020: 5 · 2019: 6 · 2018: 9 · 2017: 4 · 2016: 5
FWCI
9.83
Type
journal article
Language
en
Open access
Locations
  • Cortex (publishedVersion)
  • PubMed (publishedVersion)
  • HAL (submittedVersion, other-oa)
  • LillOA (Université de Lille (University Of Lille)) (submittedVersion)
  • LillOA (Université de Lille (University Of Lille)) (submittedVersion, other-oa)
Funders
French National Research Agency (ANR-11-EQPX-0023)
Topics
  • Social Sciences › Psychology › Social Psychology › Action Observation and Synchronization
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Visual perception and processing mechanisms
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Tactile and Sensory Interactions
Keywords
mu rhythm, peripersonal space, virtual reality, object identification, object shape, sensorimotor integration, task dependence, event-related desynchronization
MeSH terms
Adult, Cerebral Cortex, Electroencephalography, Female, Form Perception, Humans, Judgment, Male, Photic Stimulation, Reaction Time, Space Perception, Visual Perception, Young Adult, Brain Waves

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