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Fabre M, Antoine M, Robitaille MG, Ribot-Ciscar E, Ackerley R, Aimonetti JM, Chavet P, Blouin J, Simoneau M, Mouchnino L. Large Postural Sways Prevent Foot Tactile Information From Fading: Neurophysiological Evidence. Cereb Cortex Commun 2021; 2:tgaa094. [PMID: 34296149 PMCID: PMC8152841 DOI: 10.1093/texcom/tgaa094] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Revised: 11/25/2020] [Accepted: 12/15/2020] [Indexed: 11/15/2022] Open
Abstract
Cutaneous foot receptors are important for balance control, and their activation during quiet standing depends on the speed and the amplitude of postural oscillations. We hypothesized that the transmission of cutaneous input to the cortex is reduced during prolonged small postural sways due to receptor adaptation during continued skin compression. Central mechanisms would trigger large sways to reactivate the receptors. We compared the amplitude of positive and negative post-stimulation peaks (P50N90) somatosensory cortical potentials evoked by the electrical stimulation of the foot sole during small and large sways in 16 young adults standing still with their eyes closed. We observed greater P50N90 amplitudes during large sways compared with small sways consistent with increased cutaneous transmission during large sways. Postural oscillations computed 200 ms before large sways had smaller amplitudes than those before small sways, providing sustained compression within a small foot sole area. Cortical source analyses revealed that during this interval, the activity of the somatosensory areas decreased, whereas the activity of cortical areas engaged in motor planning (supplementary motor area, dorsolateral prefrontal cortex) increased. We concluded that large sways during quiet standing represent self-generated functional behavior aiming at releasing skin compression to reactivate mechanoreceptors. Such balance motor commands create sensory reafference that help control postural sway.
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Affiliation(s)
- Marie Fabre
- Laboratoire de Neurosciences Cognitives, Aix Marseille Université, CNRS, FR 3C, Marseille 13331, France
| | - Marine Antoine
- Département de kinésiologie, Faculté de médecine, Université Laval, Québec, QC G1V 0A6, Canada
| | | | - Edith Ribot-Ciscar
- LNSC (Laboratoire de Neurosciences Sensorielles et Cognitives - UMR 7260, FR3C), Aix Marseille Université, CNRS, Marseille 13331, France
| | - Rochelle Ackerley
- LNSC (Laboratoire de Neurosciences Sensorielles et Cognitives - UMR 7260, FR3C), Aix Marseille Université, CNRS, Marseille 13331, France
| | - Jean-Marc Aimonetti
- LNSC (Laboratoire de Neurosciences Sensorielles et Cognitives - UMR 7260, FR3C), Aix Marseille Université, CNRS, Marseille 13331, France
| | - Pascale Chavet
- Institut des Sciences du Mouvement, Aix Marseille Université, CNRS, Marseille 13288, France
| | - Jean Blouin
- Laboratoire de Neurosciences Cognitives, Aix Marseille Université, CNRS, FR 3C, Marseille 13331, France
| | - Martin Simoneau
- Département de kinésiologie, Faculté de médecine, Université Laval, Québec, QC G1V 0A6, Canada
| | - Laurence Mouchnino
- Laboratoire de Neurosciences Cognitives, Aix Marseille Université, CNRS, FR 3C, Marseille 13331, France
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Billot M, Teasdale N, Léandre GL, Germain Robitaille M, Simoneau M. Erratum. J Hum Kinet 2017; 56:1. [PMID: 28539986 PMCID: PMC5384047 DOI: 10.1515/hukin-2017-0017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Teasdale N, Furmanek MP, Germain Robitaille M, de Oliveira FCL, Simoneau M. Sensory Integration during Vibration of Postural Muscle Tendons When Pointing to a Memorized Target. Front Hum Neurosci 2017; 10:682. [PMID: 28133448 PMCID: PMC5233676 DOI: 10.3389/fnhum.2016.00682] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2016] [Accepted: 12/21/2016] [Indexed: 11/13/2022] Open
Abstract
Vibrating ankle muscles in freely standing persons elicits a spatially oriented postural response. For instance, vibrating the Achilles tendons induces a backward displacement of the body while vibrating the tibialis anterior muscle tendons induces a forward displacement. These displacements have been called vibration induced falling (VIF) responses and they presumably are automatic. Because of the long delay between the onset of the vibration and the onset of the VIF (about 700 ms), and the widespread cortical activation following vibration, there is a possibility that the sensory signals available before the VIF can be used by the central nervous system to plan a hand pointing action. This study examined this suggestion. Ten healthy young participants stood on a force platform and initially were trained to point with and without vision to a target located in front of them. Then, they were exposed to conditions with vibration of the Achilles tendons or tibialis anterior muscle tendons and pointed at the target without vision. The vibration stopped between each trial. Trials with vision (without vibration) were given every five trials to maintain an accurate perception of the target’s spatial location. Ankle vibrations did not have an effect on the position of the center of foot pressure (COP) before the onset of the pointing actions. Furthermore, reaction and movement times of the pointing actions were unaffected by the vibration. The hypotheses were that if proprioceptive information evoked by ankle vibrations alters the planning of a pointing action, the amplitude of the movement should scale according to the muscle tendons that are vibrated. For Achilles tendon vibration, participants undershot the target indicating the planning of the pointing action was influenced by the vibration-evoked proprioceptive information (forward displacement of the body). When the tibialis anterior were vibrated (backward displacement of the body), however, shorter movements were also observed. Longer movements would have increased the backward response of the sensed body movement. Thus, it is possible that pointing actions were adjusted on the basis of the expected consequences of the planned pointing action to avoid a response that could have compromised postural stability.
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Affiliation(s)
- Normand Teasdale
- Département de Kinésiologie, Faculté de Médecine, Université LavalQuebec City, QC, Canada; Centre de Recherche sur les Soins et les Services de Première Ligne de l'Université Laval (CERSSPL-UL)Quebec City, QC, Canada
| | - Mariusz P Furmanek
- Human Motor Behavior Laboratory, Department of Human Motor Behavior, The J. Kukuczka Academy of Physical Education Katowice, Poland
| | | | | | - Martin Simoneau
- Département de Kinésiologie, Faculté de Médecine, Université Laval Quebec City, QC, Canada
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Teasdale N, Simoneau M, Hudon L, Germain Robitaille M, Moszkowicz T, Laurendeau D, Bherer L, Duchesne S, Hudon C. Older Adults with Mild Cognitive Impairments Show Less Driving Errors after a Multiple Sessions Simulator Training Program but Do Not Exhibit Long Term Retention. Front Hum Neurosci 2016; 10:653. [PMID: 28082883 PMCID: PMC5186807 DOI: 10.3389/fnhum.2016.00653] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2016] [Accepted: 12/08/2016] [Indexed: 11/30/2022] Open
Abstract
The driving performance of individuals with mild cognitive impairment (MCI) is suboptimal when compared to healthy older adults. It is expected that the driving will worsen with the progression of the cognitive decline and thus, whether or not these individuals should continue to drive is a matter of debate. The aim of the study was to provide support to the claim that individuals with MCI can benefit from a training program and improve their overall driving performance in a driving simulator. Fifteen older drivers with MCI participated in five training sessions in a simulator (over a 21-day period) and in a 6-month recall session. During training, they received automated auditory feedback on their performance when an error was noted about various maneuvers known to be suboptimal in MCI individuals (for instance, weaving, omitting to indicate a lane change, to verify a blind spot, or to engage in a visual search before crossing an intersection). The number of errors was compiled for eight different maneuvers for all sessions. For the initial five sessions, a gradual and significant decrease in the number of errors was observed, indicating learning and safer driving. The level of performance, however, was not maintained at the 6-month recall session. Nevertheless, the initial learning observed opens up possibilities to undertake more regular interventions to maintain driving skills and safe driving in MCI individuals.
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Affiliation(s)
- Normand Teasdale
- Department of Kinesiology, Faculty of Medicine, Université LavalQuebec City, QC, Canada; Centre intégré universitaire de santé et de services sociaux de la Capitale-Nationale et Centre d'excellence sur le vieillissement de QuébecQuebec City, QC, Canada
| | - Martin Simoneau
- Department of Kinesiology, Faculty of Medicine, Université LavalQuebec City, QC, Canada; Centre intégré universitaire de santé et de services sociaux de la Capitale-Nationale et Centre d'excellence sur le vieillissement de QuébecQuebec City, QC, Canada
| | - Lisa Hudon
- Department of Kinesiology, Faculty of Medicine, Université Laval Quebec City, QC, Canada
| | | | - Thierry Moszkowicz
- Computer Vision and Systems Laboratory, Department of Electrical Engineering, Université Laval Quebec City, QC, Canada
| | - Denis Laurendeau
- Computer Vision and Systems Laboratory, Department of Electrical Engineering, Université Laval Quebec City, QC, Canada
| | - Louis Bherer
- PERFORM Centre, Concordia UniversityMontreal, QC, Canada; Department of Medicine, University of Montreal and Montreal Heart InstituteMontreal, QC, Canada
| | - Simon Duchesne
- Centre de recherche de l'Institut universitaire en santé mentale de QuébecQuebec City, QC, Canada; Département de Radiologie, Faculté de Médecine, Université LavalQuebec City, QC, Canada
| | - Carol Hudon
- Centre de recherche de l'Institut universitaire en santé mentale de QuébecQuebec City, QC, Canada; École de psychologie, Université LavalQuebec City, QC, Canada
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Teasdale N, Simoneau M, Hudon L, Moszkowicz T, Laurendeau D, Germain Robitaille M, Bherer L, Duchesne S, Hudon C. Drivers with Amnestic Mild Cognitive Impairment Can Benefit from a Multiple-Session Driving Simulator Automated Training Program. J Am Geriatr Soc 2016; 64:e16-8. [PMID: 27564992 DOI: 10.1111/jgs.14219] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Normand Teasdale
- Department of Kinesiology, Université Laval, Québec City, Québec, Canada.,Centre de recherche, du CHU de Québec, Québec City, Québec, Canada
| | - Martin Simoneau
- Department of Kinesiology, Université Laval, Québec City, Québec, Canada.,Centre de recherche, du CHU de Québec, Québec City, Québec, Canada
| | - Lisa Hudon
- Department of Kinesiology, Université Laval, Québec City, Québec, Canada.,Centre de recherche, du CHU de Québec, Québec City, Québec, Canada
| | - Thierry Moszkowicz
- Computer Vision and Systems Laboratory, Department of Electrical Engineering and Computer Engineering, Université Laval, Québec City, Québec, Canada
| | - Denis Laurendeau
- Computer Vision and Systems Laboratory, Department of Electrical Engineering and Computer Engineering, Université Laval, Québec City, Québec, Canada
| | - Mathieu Germain Robitaille
- Department of Kinesiology, Université Laval, Québec City, Québec, Canada.,Centre de recherche, du CHU de Québec, Québec City, Québec, Canada
| | - Louis Bherer
- Centre de recherche de, l'Institut universitaire de gériatrie de Montréal, Montréal, Québec, Canada.,Department of Psychology, PERFORM Centre, Concordia University, Montréal, Québec, Canada
| | - Simon Duchesne
- Department of Radiology, Faculté de Médecine, Université Laval, Québec City, Québec, Canada.,Centre de recherche de, l'Institut universitaire en santé mentale de Québec, Québec City, Québec, Canada
| | - Carol Hudon
- Centre de recherche de, l'Institut universitaire en santé mentale de Québec, Québec City, Québec, Canada.,École de Psychologie, Université Laval, Québec City, Québec, Canada
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