Alexandre CHALARD

DOCTORANT

Tél : +33 (0)5 62 74 62 02

Bureau : E 308 (3ème étage)

Toulouse Neuroimaging Center UMR1214 – Inserm/UPS
CHU PURPAN – Pavillon BAUDOT

Abstracts rédigés ou co-rédigés

> Stroke alters intermuscular communication of agonist and antagonist muscles during active movement
Célia Delcamp, David Amarantini, Camille Cormier, Alexandre Chalard, Philippe Marque, David Gasq
37ème Congrès de la Société Française de Médecine Physique et de Réadaptation,Rennes, France
> The common descending neural drive to agonist and antagonist muscles is higher in stroke subjects compared to controls
Célia Delcamp, Camille Cormier, Alexandre Chalard, David Amarantini, David Gasq
FENS 2022 (Federation of European Neurosciences Societies) –
> FUNCTIONAL SIMPLIFICATION OF MOTOR CONTROL OF ANTAGONIST MUSCLES AFTER STROKE.
Célia Delcamp, Camille Cormier, Alexandre Chalard, David Gasq, David Amarantini
27th Congress of the the European Society of Biomechanics – Porto Portugal
> Effects of botulinum toxin injections and rehabilitation on the brain-muscle functional connectivity assessed by cortico-muscular coherence in post-stroke patients
Delcamp, C., Cormier, C., Chalard, A., Gasq, D., Amarantini, D
36ème Congrès de la SOFMER, 14-16 octobre 2021, Lille, France.
> Phasic alteration of corticomuscular coupling in post-stroke subjects is associated with decreased motor function during active elbow extensions.
Maxime Fauvet, Alexandre Chalard, David Gasq, David Amarantini.
11th World Congress for Neurorehabilitation, 7-10 octobre 2020, digital WFNR & SOFMER congress.
> Neuromodulation of cortical beta oscillatory activity following botulinum injection in post-stroke.
Alexandre Chalard, David Amarantini, Joseph Tisseyre, Philippe Marque, David Gasq.
11th World Congress for Neurorehabilitation, 7-10 octobre 2020, digital WFNR & SOFMER congress.
> Généralisation des analyses temps-fréquence à des essais présentant une forte variabilité de durée.
Maxime Fauvet, Sylvain Cremoux, Alexandre Chalard, Joseph Tisseyre, David Gasq, David Amarantini
Congrès SOFAMEA, 23-24 janvier 2020, Nice
> L’étendue de l’activité corticale EEG : un outil pour l’évaluation du patient AVC chronique.
Célia Pinto, Alexandre Chalard, David Gasq, David Amarantini
Congrès SOFAMEA, 23-24 janvier 2020, Nice
> Association entre le niveau de l’activité oscillatoire corticale et la présence de cocontractions spastiques du membre supérieur chez le patient en post-AVC.
Alexandre Chalard, Joseph Tisseyre, Philippe Marque, David Amarantini, David Gasq.
XIXème congrès de la SOFAMEA, 22-24 janvier 2020, Nice.
> Modifications de l’activité corticale oscillatoire suite à une injection de toxine botulique chez le patient post-AVC
Alexandre Chalard, Joseph Tisseyre, Philippe Marque, David Amarantini, David Gasq.
XIXème congrès de la SOFAMEA, 22-24 janvier 2020, Nice.
> Les modifications de l’activité corticale oscillatoire au cours de mouvements actifs d’extension du coude sont un marqueur de plasticité cérébrale chez le sujet cérébrolésé
Célia Pinto, Alexandre Chalard, David Gasq, David Amarantini
18ème Congrès International de l’Association des Chercheurs en Activités Physiques et Sportives, 29-31 octobre 2019, Paris, France.
> Une altération de l’activité EEG est directement associée à une coactivation antagoniste excessive chez le patient post-AVC.
Alexandre Chalard, David Amarantini, Joseph Tisseyre, Philippe Marque, David Gasq
Le 18ème Congrès international de l’Association des Chercheurs en Activités Physiques et Sportives (ACAPS), 28-31 Octobre 2019, Paris
> L’altération de l’activité oscillatoire corticale participe à la détérioration des patterns du mouvement du membre supérieur chez le patient post-AVC
Alexandre Chalard, Joseph Tisseyre, Philippe Marque, David Amarantini, David Gasq
34e congrès de la SOFMER ( Société Française de Médecine Physique et Réadaptation), 17-19 Octobre 2019, Bordeaux
> Molecular gels from alkylgalactonamides : from neuronal cell culture to 3D printing.
Chalard A., L.Vaysse, , P. Joseph, L. Malaquin, S. Souleille, B. Lonetti, JC. Sol, I. Loubinoux J. Fitremann.
XXIX International Materials Research Congress, 18-23 aout 2019, Cancun, Mexique.
> Supramolecular gels from simple N-Alkyl-D-galactonamides: from neuronal cells culture to 3D-printing.
Juliette Fitremann, Anaïs Chalard, Laurence Vaysse, Isabelle Loubinoux, Jean-Christophe Sol, Barbara Lonetti, Sandrine Souleille, Pierre Joseph, Laurent Malaquin.
SupraBio 2019, International Symposium on Suprabiomolecular Systems, 6th edition 15-17 May 2019 à Barcelone, Espagne.
> A Novel Method to Generalize Time-Frequency Coherence Analysis between EEG or EMG Signals During Repetitive Trials with High Intra-Subject Variability in Duration.
Fauvet M, Cremoux S, Chalard A, Tisseyre J, Gasq D, Amarantini D
The 9th International IEEE EMBS Conference on Neural Engineering , San Francisco, CA – USA on March 20-23, 2019.
> Assessment of upper limb active movement facilitation and neuromuscular plasticity induced by abobotulinumtoxinA in chronic poststroke: A study protocol.
Chalard A, Amarantini D, Picaut P, Pons L, Marque P, Gasq D.
International Neurotoxin Association Conference (TOXINS 2019), 16-19 January 2019, Copenhagen, Denmark.
> Alteration of executive control is associated with greater mirror movements in healthy and brain-injured adults.
Tisseyre, J., Amarantini, D., Chalard, A., Marque, P., Gasq, D., Tallet, J.
20èmes Journées Toulousaines de Psychomotricité, 25-26 Mai 2018, Toulouse, France.
> Spastic cocontraction, spasticity and impairment of motor function during active elbow extension in adults with hemiparesis.
Alexandre Chalard, David Amarantini, Joseph Tisseyre, Philippe Marque, Jessica Tallet, David Gasq.
XVIIème Congrès de la Société Francophone d’Analyse du Mouvement chez l’Enfant et l’Adulte. - SOFAMEA 2018 - TOULOUSE
> Mirror movements of upper limbs are correlated with attentional and executive functions in healthy subjects and brain injury patients.
Tisseyre, J., Amarantini, D., Chalard, A., Marque, P., Gasq, D., Tallet J.
17ème Congrès International de l’Association des Chercheurs en Activités Physiques et Sportives - ACAPS 2017 - DIJON

Publications rédigées ou co-rédigées

> 64- Changes in intermuscular connectivity during active elbow extension reveal a functional simplification of motor control after stroke.
Delcamp C., Cormier C., Chalard A., Amarantini D., Gasq D.
Front. Neurosci. 16:940907. doi: 10.3389/fnins.2022.940907
> 3- Botulinum toxin combined with rehabilitation decrease corticomuscular coherence in stroke patients
Delcamp C, Cormier C, Chalard A, Amarantini D, Gasq D
Clinical Neurophysiology, Volume 136, April 2022, Pages 49-57. https://doi.org/10.1016/j.clinph.2021.12.019
> 80- Effect of the combination of botulinum toxin A injection in elbow flexor muscles and rehabilitation on cortical oscillatory activity in individuals with stroke.
Chalard A., Amarantini D., Cormier C., Marque P., Gasq D.
Annals of Physical and Rehabilitation Medicine, 2021:64(4), 101434. DOI: 10.1016/j.rehab.2020.09.002
> 58- Temporal Dynamics of Corticomuscular Coherence Reflects Alteration of the Central Mechanisms of Neural Motor Control in Post-Stroke Patients.
Fauvet M, Gasq D, Chalard A, Tisseyre J, Amarantini D.
Front Hum Neurosci. 2021 Jul 23;15:682080. doi: 10.3389/fnhum.2021.682080.
> 22- Spastic co-contraction is directly associated with altered cortical beta oscillations after stroke.
Chalard A, Amarantini D, Tisseyre J, Marque P, Gasq D.
Voir la publication
Clin Neurophysiol. 2020 Mar 19;131(6):1345-1353. doi: 10.1016/j.clinph.2020.02.023.
> 10- Impact of the EMG normalization method on muscle activation and the antagonist-agonist co-contraction index during active elbow extension: Practical implications for post-stroke subjects.
Chalard A, Belle M, Montané E, Marque P, Amarantini D, Gasq D.
J Electromyogr Kinesiol. 2020 Feb 14;51:102403. doi: 10.1016/j.jelekin.2020.102403.
> 9- Spastic co-contraction, rather that spasticity, is associated with impaired active function in adults with acquired brain injury: A pilot study.
Chalard A, Amarantini D, Tisseyre J, Marque P, Tallet J, Gasq D.
J Rehabil Med. 2019 Feb 15. doi: 10.2340/16501977-2528.
> 32-Wet spinning and radial self-assembly of a carbohydrate low molecular weight gelator into well organized hydrogel filaments.
Chalard A, Joseph P, Souleille S, Lonetti B, Saffon-Merceron N, Loubinoux I, Vaysse L, Malaquin L, Fitremann J.
Nanoscale. 2019.Jun 10. doi: 10.1039/c9nr02727k
> 33- A novel method to generalize time-frequency coherence analysis between EEG or EMG signals during repetitive trials with high intra-subject variability in duration.
Fauvet M, Cremoux S, Chalard A, Tisseyre J, Gasq D, Amarantini D.
In 2019 9th International IEEE/EMBS Conference on Neural Engineering (NER), 437-440.
> 61- Assessment of upper limb active movement facilitation and neuromuscular plasticity induced by abobotulinumtoxinA in chronic poststroke: A study protocol.
Chalard A, Amarantini D, Picaut P, Pons L, Marque P, Gasq D.
Toxicon, Volume 156, Supplement 1, December 2018, Pages s15-s16. doi: 10.1016/j.toxicon.2018.11.042.
> 34- Impact of different EMG normalisation methods on muscle activations and cocontraction index in adults with chronic post-stroke hemiparesis.
Chalard, A., Amarantini, D., Belle, M., Montane, E., & Gasq, D. (2018).
Annals of Physical and Rehabilitation Medicine, 61, e444. https://doi.org/10.1016/j.rehab.2018.05.1033
> 35- Is spasticity or spastic cocontraction of the elbow flexors associated with the limitation of voluntary elbow extension in adults with acquired hemiparesis?
Chalard, A., Amarantini, D., Tisseyre, J., Marque, P., Tallet, J., & Gasq, D.
(2018). Annals of Physical and Rehabilitation Medicine, 61, e439. https://doi.org/10.1016/j.rehab.2018.05.1020
> 14- Mirror movements are linked to executive control in healthy and brain-injured adults.
Tisseyre J, Amarantini D, Chalard A, Marque P, Gasq D, Tallet J.
Neuroscience. 2018, 379, 246-256. pii: S0306-4522(18)30218-5. doi: 10.1016/j.neuroscience.2018.03.027.

Alexandre CHALARD

Abstracts rédigés ou co-rédigés

Publications rédigées ou co-rédigées

Thèmes de recherche