Guy Chéron
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View article: Brain power comparison between microgravity and head-down tilt bed rest: an electroencephalography approach
Brain power comparison between microgravity and head-down tilt bed rest: an electroencephalography approach Open
This study examines neurophysiological changes in microgravity by comparing EEG data from two ground analog 60-day head-down tilt bed rest (HDBR) experiments (ESA/DLR “Cocktail” and “RSL”) and the NEUROSPAT experiment in space. The primary…
View article: Cortical and subcortical alpha EEG network involved in the interpersonal space sensitivity
Cortical and subcortical alpha EEG network involved in the interpersonal space sensitivity Open
View article: EEG oscillations and related brain generators of phonation phases in long utterances
EEG oscillations and related brain generators of phonation phases in long utterances Open
While the role of brain rhythms in respiratory and speech motor control has been mainly explored during brief utterances, the specific involvement of brain rhythms in the transition of regulating subglottic pressure phases which are concom…
View article: Beyond vision: Response of the mouse visual cortex to multimodal stimulation
Beyond vision: Response of the mouse visual cortex to multimodal stimulation Open
View article: Polarity-dependent modulation of sensory circuits by cerebellar tDCS: local and distant effects
Polarity-dependent modulation of sensory circuits by cerebellar tDCS: local and distant effects Open
Cerebellar transcranial direct current stimulation (Cb-tDCS) is a promising tool for non-invasive modulation of cerebellar function and is under investigation for treating cerebellum-related disorders. However, its local and remote effects…
View article: Changes of EEG beta band power and functional connectivity during spaceflight: a retrospective study
Changes of EEG beta band power and functional connectivity during spaceflight: a retrospective study Open
Spaceflight exposes astronauts to unique conditions like microgravity, which may affect brain function, though it remains underexplored compared to other physiological systems. Astronauts often report temporary neurological symptoms, such …
View article: Cerebellar dysfunction in the <i>mdx</i> mouse model of Duchenne muscular dystrophy: An electrophysiological and behavioural study
Cerebellar dysfunction in the <i>mdx</i> mouse model of Duchenne muscular dystrophy: An electrophysiological and behavioural study Open
Patients with Duchenne muscular dystrophy (DMD) commonly show specific cognitive deficits in addition to a severe muscle impairment caused by the absence of dystrophin expression in skeletal muscle. These cognitive deficits have been relat…
View article: TOWARDS RIEMANNIAN EEG CLASSIFIERS TO DETECT AWAKE AND ANESTHETIZED STATES USING MEDIAN NERVE STIMULATION
TOWARDS RIEMANNIAN EEG CLASSIFIERS TO DETECT AWAKE AND ANESTHETIZED STATES USING MEDIAN NERVE STIMULATION Open
International audience
View article: Median Nerve Stimulation to Detect Awake and Anesthetized States with Riemannian Classifiers
Median Nerve Stimulation to Detect Awake and Anesthetized States with Riemannian Classifiers Open
National audience
View article: Long-lasting negativity in the left motoric brain structures during word memory inhibition in the Think/No-Think paradigm
Long-lasting negativity in the left motoric brain structures during word memory inhibition in the Think/No-Think paradigm Open
View article: Machine learning for hand pose classification from phasic and tonic EMG signals during bimanual activities in virtual reality
Machine learning for hand pose classification from phasic and tonic EMG signals during bimanual activities in virtual reality Open
Myoelectric prostheses have recently shown significant promise for restoring hand function in individuals with upper limb loss or deficiencies, driven by advances in machine learning and increasingly accessible bioelectrical signal acquisi…
View article: Electroencephalography microstates highlight specific mindfulness traits
Electroencephalography microstates highlight specific mindfulness traits Open
The present study aimed to investigate the spontaneous dynamics of large‐scale brain networks underlying mindfulness as a dispositional trait, through resting‐state electroencephalography (EEG) microstates analysis. Eighteen participants h…
View article: EMG subspace alignment and visualization for cross-subject hand gesture classification
EMG subspace alignment and visualization for cross-subject hand gesture classification Open
Electromyograms (EMG)-based hand gesture recognition systems are a promising technology for human/machine interfaces. However, one of their main limitations is the long calibration time that is typically required to handle new users. The p…
View article: Editorial: Insights in movement science and sport psychology 2021
Editorial: Insights in movement science and sport psychology 2021 Open
EDITORIAL article Front. Psychol., 05 September 2023Sec. Movement Science Volume 14 - 2023 | https://doi.org/10.3389/fpsyg.2023.1267376
View article: Sleep-push movement performance in elite field hockey champions with and without training specialization
Sleep-push movement performance in elite field hockey champions with and without training specialization Open
Objective To investigate kinematic and muscle activity differences during the sleep-push movement in elite field hockey players. We hypothesized that players with specialized sleep-push movement training (specialists) would possess a lower…
View article: Effects of spaceflight on the EEG alpha power and functional connectivity
Effects of spaceflight on the EEG alpha power and functional connectivity Open
View article: The oscillatory nature of the motor and perceptive kinematics invariants
The oscillatory nature of the motor and perceptive kinematics invariants Open
View article: Nucleus incertus provides eye velocity and position signals to the vestibulo-ocular cerebellum: a new perspective of the brainstem–cerebellum–hippocampus network
Nucleus incertus provides eye velocity and position signals to the vestibulo-ocular cerebellum: a new perspective of the brainstem–cerebellum–hippocampus network Open
The network formed by the brainstem, cerebellum, and hippocampus occupies a central position to achieve navigation. Multiple physiological functions are implicated in this complex behavior. Among these, control of the eye–head and body mov…
View article: Noise characteristics in spaceflight multichannel EEG
Noise characteristics in spaceflight multichannel EEG Open
The cognitive performance of the crew has a major impact on mission safety and success in space flight. Monitoring of cognitive performance during long-duration space flight therefore is of paramount importance and can be performed using c…
View article: Detection of Motor Cerebral Activity After Median Nerve Stimulation During General Anesthesia (STIM-MOTANA): Protocol for a Prospective Interventional Study
Detection of Motor Cerebral Activity After Median Nerve Stimulation During General Anesthesia (STIM-MOTANA): Protocol for a Prospective Interventional Study Open
Background Accidental awareness during general anesthesia (AAGA) is defined as an unexpected awareness of the patient during general anesthesia. This phenomenon occurs in 1%-2% of high-risk practice patients and can cause physical sufferin…
View article: Brain potential responses involved in decision-making in weightlessness
Brain potential responses involved in decision-making in weightlessness Open
View article: Effects of Pulsed-Wave Chromotherapy and Guided Relaxation on the Theta-Alpha Oscillation During Arrest Reaction
Effects of Pulsed-Wave Chromotherapy and Guided Relaxation on the Theta-Alpha Oscillation During Arrest Reaction Open
The search for the best wellness practice has promoted the development of devices integrating different technologies and guided meditation. However, the final effects on the electrical activity of the brain remain relatively sparse. Here, …
View article: Electrophysiological alterations of the Purkinje cells and deep cerebellar neurons in a mouse model of Alzheimer disease (electrophysiology on cerebellum of AD mice)
Electrophysiological alterations of the Purkinje cells and deep cerebellar neurons in a mouse model of Alzheimer disease (electrophysiology on cerebellum of AD mice) Open
Alzheimer's disease is histopathologically well defined by the presence of amyloid deposits and tau‐related neurofibrillary tangles in crucial regions of the brain. Interest is growing in revealing and determining possible pathological mar…
View article: Riemannian classification of single-trial surface EEG and sources during checkerboard and navigational images in humans
Riemannian classification of single-trial surface EEG and sources during checkerboard and navigational images in humans Open
Objective Different visual stimuli are classically used for triggering visual evoked potentials comprising well-defined components linked to the content of the displayed image. These evoked components result from the average of ongoing EEG…
View article: Review of: "Study of EEG characteristics while solving scientific problems with different mental effort"
Review of: "Study of EEG characteristics while solving scientific problems with different mental effort" Open
View article: Trait and state mindfulness modulate EEG microstates
Trait and state mindfulness modulate EEG microstates Open
The present study aimed to characterize microstate dynamics induced by non-reactive attention underlying mindfulness. Electroencephalogram signals from eighteen trained meditators and a matched non-meditators group were recorded before, du…
View article: Persistent deterioration of visuospatial performance in spaceflight
Persistent deterioration of visuospatial performance in spaceflight Open
View article: Caudate and cerebellar involvement in altered P2 and P3 components of GO/NoGO evoked potentials in children with attention‐deficit/hyperactivity disorder
Caudate and cerebellar involvement in altered P2 and P3 components of GO/NoGO evoked potentials in children with attention‐deficit/hyperactivity disorder Open
Previous studies showed reduced activity of the anterior cingulate cortex (ACC) and supplementary motor area during inhibition in children with attention‐deficit/hyperactivity disorder (ADHD). This study aimed to investigate deep brain gen…
View article: Immediate and after effects of transcranial direct-current stimulation in the mouse primary somatosensory cortex
Immediate and after effects of transcranial direct-current stimulation in the mouse primary somatosensory cortex Open
View article: Covariance matrices of EEG signals and estimated cortical sources from 15 subjects presented with visual stimuli
Covariance matrices of EEG signals and estimated cortical sources from 15 subjects presented with visual stimuli Open
Covariance matrices of EEG signals and estimated cortical sources from 15 subjects presented with visual stimuli of 3D-Tunnels and Checkerboards. This dataset is the basis of an article named "Riemannian classification of single-trial surf…