101
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Osumi M, Sumitani M, Otake Y, Imai R, Morioka S. Fear of movement disturbs inter-limb coupling in complex regional pain syndrome. Ann Phys Rehabil Med 2020; 63:258-261. [DOI: 10.1016/j.rehab.2019.08.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2019] [Revised: 07/21/2019] [Accepted: 08/01/2019] [Indexed: 12/01/2022]
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102
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Rudisch J, Müller K, Kutz DF, Brich L, Sleimen-Malkoun R, Voelcker-Rehage C. How Age, Cognitive Function and Gender Affect Bimanual Force Control. Front Physiol 2020; 11:245. [PMID: 32292353 PMCID: PMC7121519 DOI: 10.3389/fphys.2020.00245] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Accepted: 03/02/2020] [Indexed: 02/06/2023] Open
Abstract
Coordinated bimanual control depends on information processing in different intra- and interhemispheric networks that differ with respect to task symmetry and laterality of execution. Aging and age-related cognitive impairments, but also sex can have detrimental effects on connectivity of these networks. We therefore expected effects of age, cognitive function and sex on bimanual force coordination. We furthermore expected these effects to depend on the characteristics of the task (i.e., difficulty and symmetry). 162 right handed participants (19 younger adults [YA], 21–30 years, 9 females; 52 cognitively healthy older adults [HOA], 80–91 years, 32 females; and 91 older adults with mild cognitive impairments [MCI] 80–91 years, 37 females) performed isometric bimanual force control tasks that required following constant or alternating (cyclic sine-wave) targets and varied in symmetry, i.e., (i) constant symmetric, asymmetric [with constant left and alternating right (ii) or vice versa (iii)], (iv) alternating in- and (v) alternating antiphase (both hands alternating with 0° or 180° relative phase, respectively). We analyzed general performance (time on target), bimanual coordination as coupling between hands (linear correlation coefficient) and structure of variability (i.e., complexity measured through detrended fluctuation analysis). Performance and coupling strongly depended on task symmetry and executing hand, with better performance in symmetric tasks and in asymmetric tasks when the left hand produced a constant and the right hand an alternating force. HOA and MCI, compared to YA, showed poorer performance (time on target) and reduced coupling in in- and antiphase tasks. Furthermore, both groups of OA displayed less complex structure in alternating force production tasks, a marker of reduced control. In addition, we found strong sex effects with females displaying reduced coupling during in- and antiphase coordination and less complex variably structure in constant force production. Results of this study revealed strong effects of age, but also sex on bimanual force control. Effects depended strongly on task symmetry and executing hand, possibly due to different requirements in interhemispheric information processing. So far, we found no clear relationship between behavioral markers of bimanual force control and age-related cognitive decline (compared to healthy aging), making further investigation necessary.
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Affiliation(s)
- Julian Rudisch
- Institute of Human Movement Science and Health, Faculty of Behavioral and Social Sciences, Chemnitz University of Technology, Chemnitz, Germany.,Department of Neuromotor Behavior and Exercise, Institute of Sport and Exercise Sciences, University of Muenster, Muenster, Germany
| | - Katrin Müller
- Institute of Human Movement Science and Health, Faculty of Behavioral and Social Sciences, Chemnitz University of Technology, Chemnitz, Germany
| | - Dieter F Kutz
- Institute of Human Movement Science and Health, Faculty of Behavioral and Social Sciences, Chemnitz University of Technology, Chemnitz, Germany.,Department of Neuromotor Behavior and Exercise, Institute of Sport and Exercise Sciences, University of Muenster, Muenster, Germany
| | - Louisa Brich
- Institute of Human Movement Science and Health, Faculty of Behavioral and Social Sciences, Chemnitz University of Technology, Chemnitz, Germany.,Department of Pediatrics, Technical University Munich, Munich, Germany
| | - Rita Sleimen-Malkoun
- CNRS, Institute of Movement Sciences, Aix-Marseille Université, Marseille, France
| | - Claudia Voelcker-Rehage
- Institute of Human Movement Science and Health, Faculty of Behavioral and Social Sciences, Chemnitz University of Technology, Chemnitz, Germany.,Department of Neuromotor Behavior and Exercise, Institute of Sport and Exercise Sciences, University of Muenster, Muenster, Germany
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103
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Veldema J, Jansen P. Ergometer Training in Stroke Rehabilitation: Systematic Review and Meta-analysis. Arch Phys Med Rehabil 2020; 101:674-689. [DOI: 10.1016/j.apmr.2019.09.017] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Accepted: 09/27/2019] [Indexed: 12/22/2022]
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104
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Generalization of the resource-rationality principle to neural control of goal-directed movements. Behav Brain Sci 2020; 43:e10. [PMID: 32159469 DOI: 10.1017/s0140525x19001559] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
We review evidence that the resource-rationality principle generalizes to human movement control. Optimization of the use of limited neurocomputational resources is described by the inclusion of the "neurocomputational cost" of sensory information processing and decision making in the optimality criterion of movement control. A resulting tendency to decrease this cost can account for various phenomena observed during goal-directed movements.
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105
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Bakkum A, Donelan JM, Marigold DS. Challenging balance during sensorimotor adaptation increases generalization. J Neurophysiol 2020; 123:1342-1354. [PMID: 32130079 DOI: 10.1152/jn.00687.2019] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
From reaching to walking, real-life experience suggests that people can generalize between motor behaviors. One possible explanation for this generalization is that real-life behaviors often challenge our balance. We propose that the exacerbated body motions associated with balance-challenged whole body movements increase the value to the nervous system of using a comprehensive internal model to control the task. Because it is less customized to a specific task, a more comprehensive model is also a more generalizable model. Here we tested the hypothesis that challenging balance during adaptation would increase generalization of a newly learned internal model. We encouraged participants to learn a new internal model using prism lenses that created a new visuomotor mapping. Four groups of participants adapted to prisms while performing either a standing-based reaching or precision walking task, with or without a manipulation that challenged balance. To assess generalization after the adaptation phase, participants performed a single trial of each of the other groups' tasks without prisms. We found that both the reaching and walking balance-challenged groups showed significantly greater generalization to the equivalent, nonadapted task than the balance-unchallenged groups. Additionally, we found some evidence that all groups generalized across tasks, for example, from walking to reaching and vice versa, regardless of balance manipulation. Overall, our results demonstrate that challenging balance increases the degree to which a newly learned internal model generalizes to untrained movements.NEW & NOTEWORTHY Real-life experience indicates that people can generalize between motor behaviors. Here we show that challenging balance during the learning of a new internal model increases the degree of generalization to untrained movements for both reaching and walking tasks. These results suggest that the effects of challenging balance are not specific to the task but instead apply to motor learning more broadly.
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Affiliation(s)
- Amanda Bakkum
- Department of Biomedical Physiology and Kinesiology, Simon Fraser University, Burnaby, British Columbia, Canada
| | - J Maxwell Donelan
- Department of Biomedical Physiology and Kinesiology, Simon Fraser University, Burnaby, British Columbia, Canada
| | - Daniel S Marigold
- Department of Biomedical Physiology and Kinesiology, Simon Fraser University, Burnaby, British Columbia, Canada
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106
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Stability of bimanual finger tapping coordination is constrained by salient phases. Neurosci Res 2020; 163:1-9. [PMID: 32088328 DOI: 10.1016/j.neures.2020.02.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Revised: 01/21/2020] [Accepted: 02/19/2020] [Indexed: 11/21/2022]
Abstract
In bimanual cyclical continuous movements, the relative timing of the most salient movement phase in each movement is a predominant constraint. This is the case for coordination when both movements have a single most salient phase (the relative-salience hypothesis). We tested whether the relative-salience hypothesis could explain results obtained for repetitive discrete movements, utilizing finger tapping. In experiment 1, participants performed unimanual alternate two-finger tapping with the metronome beat (i.e., one finger taps on the beat and the other finger taps off the beat). The stability of the tapping timing relative to the beat, which reflects the extent of salience, was higher in the index finger than the middle finger, and was lower in the ring finger than the middle finger. In experiment 2, participants performed four conditions of repetitive bimanual four-finger tapping (i.e., alternate two-finger tapping in each hand) without external pacing signals. Under all four conditions, a more stable pattern occurred when the timing of the more salient tapping in each hand was simultaneous rather than alternate, regardless of relative direction in the external space or movement coupling of the homologous fingers. The results indicated that bimanual four-finger tapping could be explained by the relative-salience hypothesis.
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107
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Temprado JJ, Torre MM, Langeard A, Julien-Vintrou M, Devillers-Réolon L, Sleimen-Malkoun R, Berton E. Intentional Switching Between Bimanual Coordination Patterns in Older Adults: Is It Mediated by Inhibition Processes? Front Aging Neurosci 2020; 12:29. [PMID: 32132919 PMCID: PMC7041435 DOI: 10.3389/fnagi.2020.00029] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2019] [Accepted: 01/28/2020] [Indexed: 12/04/2022] Open
Abstract
The study investigated the consequences of age-related decline in inhibition processes on intentional switching between bimanual coordination patterns. Fifteen young (24±2.8 years) and 20 older adults (69±5.3 years) performed Stroop tasks and bimanual coordination tasks. Stroop tasks included neutral, congruent, and incongruent conditions. Response time and error rate were measured. Bimanual coordination tasks consisted of performing in-phase (IP) and anti-phase (AP) patterns. Participants were requested to switch as quickly as possible from one pattern to the other, resulting in two different switching directions (AP to IP; IP to AP). Mean and standard deviation (SD) of the continuous relative phase (CRP) were calculated pre- and post-switching for each participant. Total switching time (TST) was measured. The switching phase was also decomposed into reaction time (RT) and reversal time (REvT). Pearson correlation analyses were performed to test for correlations between: (i) SD of CRP and response time in Stroop tasks, and (ii) switching times (TST, RT, RevT) and response time in Stroop task, respectively. In addition, parallel mediation analyses were conducted. Results showed that: (i) the AP pattern was less stable than the IP pattern in both young and older adults, (ii) coordination patterns were less stable in older adults, (iii) response times in Stroop task were longer in the incongruent condition, and (iv) RespTs were longer in older than in young participants, whatever the condition. In the bimanual coordination task, RT, RevT, and TST increased with age. The stability of the IP pattern was correlated with the response times observed in neutral and congruent conditions, while the stability of the AP pattern was correlated with response time observed in the incongruent condition. Correlation and mediation analyses showed that, in the AP to IP switching direction, RT and RevT were both significantly correlated with response times observed in the incongruent condition of Stroop task. These findings suggest that inhibition processes are involved in switching between bimanual coordination patterns, at least to trigger the early phase of switching. They also support the hypothesis that inhibition processes are more involved in maintaining the AP pattern and switching to the IP pattern. Finally, age-related changes in switching times seem to be prominently mediated by alterations of inhibition processes.
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Affiliation(s)
- Jean-Jacques Temprado
- Aix-Marseille Université and CNRS, UMR 7287 Institut des Sciences du Mouvement Etienne-Jules Marey, Marseille, France
| | - Marta Maria Torre
- Aix-Marseille Université and CNRS, UMR 7287 Institut des Sciences du Mouvement Etienne-Jules Marey, Marseille, France.,Università degli Studi di Roma "Foro Italico," Rome, Italy
| | - Antoine Langeard
- Aix-Marseille Université and CNRS, UMR 7287 Institut des Sciences du Mouvement Etienne-Jules Marey, Marseille, France.,Department of Medicine, University of Montreal, Montreal, QC, Canada.,Research Centre, Montreal Heart Institute, Montreal, QC, Canada.,Centre de Recherche, Institut Universitaire de Gériatrie de Montréal, Montreal, QC, Canada
| | - Marine Julien-Vintrou
- Aix-Marseille Université and CNRS, UMR 7287 Institut des Sciences du Mouvement Etienne-Jules Marey, Marseille, France
| | - Louise Devillers-Réolon
- Aix-Marseille Université and CNRS, UMR 7287 Institut des Sciences du Mouvement Etienne-Jules Marey, Marseille, France
| | - Rita Sleimen-Malkoun
- Aix-Marseille Université and CNRS, UMR 7287 Institut des Sciences du Mouvement Etienne-Jules Marey, Marseille, France
| | - Eric Berton
- Aix-Marseille Université and CNRS, UMR 7287 Institut des Sciences du Mouvement Etienne-Jules Marey, Marseille, France
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108
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Desrochers PC, Brunfeldt AT, Kagerer FA. Neurophysiological Correlates of Adaptation and Interference during Asymmetrical Bimanual Movements. Neuroscience 2020; 432:30-43. [PMID: 32036015 DOI: 10.1016/j.neuroscience.2020.01.044] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2019] [Revised: 12/28/2019] [Accepted: 01/29/2020] [Indexed: 12/30/2022]
Abstract
In this study, we investigated brain dynamics during interference between hands during bimanual movements. Participants performed a bimanual center-out reaching task in which a visuomotor rotation was applied to the right hand while the left hand did not receive visual feedback of its movements. This manipulation resulted in interference from the adapting right hand to the kinesthetically guided left hand. Electroencephalography (EEG) recordings during the task showed that spectral power in the high and low beta frequency bands was elevated early in exposure, but decreased throughout learning. This may be representative of error-based updating of internal models of movement. Additionally, coherence, a measure of neural functional connectivity, was elevated both within and between hemispheres in the beta frequencies during the initial presentation of the visuomotor rotation, and then decreased throughout adaptation. This suggests that beta oscillatory neural activity may be marker for transmission of conflicting motor information between hemispheres, which manifests in interference between the hands during asymmetrical bimanual movements.
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Affiliation(s)
- Phillip C Desrochers
- Department of Kinesiology, Michigan State University, East Lansing, MI 48824, USA
| | | | - Florian A Kagerer
- Department of Kinesiology, Michigan State University, East Lansing, MI 48824, USA; Neuroscience Program, Michigan State University, East Lansing, MI 48824, USA.
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109
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Yao K, Billard A. An inverse optimization approach to understand human acquisition of kinematic coordination in bimanual fine manipulation tasks. BIOLOGICAL CYBERNETICS 2020; 114:63-82. [PMID: 31907609 PMCID: PMC7062861 DOI: 10.1007/s00422-019-00814-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Accepted: 12/19/2019] [Indexed: 06/10/2023]
Abstract
Tasks that require the cooperation of both hands and arms are common in human everyday life. Coordination helps to synchronize in space and temporally motion of the upper limbs. In fine bimanual tasks, coordination enables also to achieve higher degrees of precision that could be obtained from a single hand. We studied the acquisition of bimanual fine manipulation skills in watchmaking tasks, which require assembly of pieces at millimeter scale. It demands years of training. We contrasted motion kinematics performed by novice apprentices to those of professionals. Fifteen subjects, ten novices and five experts, participated in the study. We recorded force applied on the watch face and kinematics of fingers and arms. Results indicate that expert subjects wisely place their fingers on the tools to achieve higher dexterity. Compared to novices, experts also tend to align task-demanded force application with the optimal force transmission direction of the dominant arm. To understand the cognitive processes underpinning the different coordination patterns across experts and novice subjects, we followed the optimal control theoretical framework and hypothesize that the difference in task performances is caused by changes in the central nervous system's optimal criteria. We formulated kinematic metrics to evaluate the coordination patterns and exploit inverse optimization approach to infer the optimal criteria. We interpret the human acquisition of novel coordination patterns as an alteration in the composition structure of the central nervous system's optimal criteria accompanied by the learning process.
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Affiliation(s)
- Kunpeng Yao
- Learning Algorithms and Systems Laboratory (LASA), École Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland.
| | - Aude Billard
- Learning Algorithms and Systems Laboratory (LASA), École Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland
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110
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Köchli S, Scharfenberger T, Dietz V. Coordination of bilateral synchronous and asynchronous hand movements. Neurosci Lett 2020; 720:134757. [DOI: 10.1016/j.neulet.2020.134757] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2019] [Revised: 01/09/2020] [Accepted: 01/12/2020] [Indexed: 11/16/2022]
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111
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Using visual and/or kinesthetic information to stabilize intrinsic bimanual coordination patterns is a function of movement frequency. PSYCHOLOGICAL RESEARCH 2020; 85:865-878. [PMID: 31989241 DOI: 10.1007/s00426-020-01288-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Accepted: 01/09/2020] [Indexed: 10/25/2022]
Abstract
Coordination dynamics suggest that both in-phase and anti-phase movements are intrinsic and can be readily performed without practice. As movement frequency increases, individuals performing anti-phase movement inevitably switch to perform in-phase movement. However, due to different frames of reference used to define intrinsic coordination patterns in visual and kinesthetic domains, the perception of intrinsic coordination patterns could be ambiguous, which leads to the question whether the visually or kinesthetically perceived information is used to maintain the intrinsic coordination patterns. The current study explored how the consistency between visual and kinesthetic information would impact the performance and the associated metabolic energy consumption of intrinsic bimanual coordination patterns as movement frequency increased. Thirty participants were recruited and randomly assigned to one of three groups ("Info + Spatial +", "Info + Spatial -", and "Info-Spatial +") to perform intrinsic bimanual coordination tasks using a computer-joystick system at low, high, and self-selected frequencies. The visual and kinesthetic information were manipulated to be either consistent or inconsistent by changing the spatial mapping between the motion of display and motion of joysticks. The results showed that the kinesthetic information was largely used to maintain the stability of intrinsic coordination patterns at high frequency, which could be an energy-conserving solution. However, spatial mapping alone seemed to be beneficial for keeping the visually perceived in-phase and anti-phase coordination patterns equally stable at low movement frequency, and spatially mapping the visual information to be consistent with kinesthetic information greatly enhanced the stability of anti-phase coordination. The dynamical use of visual and kinesthetic information for control of bimanual coordination is discussed.
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112
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Zivari Adab H, Chalavi S, Monteiro TS, Gooijers J, Dhollander T, Mantini D, Swinnen SP. Fiber-specific variations in anterior transcallosal white matter structure contribute to age-related differences in motor performance. Neuroimage 2020; 209:116530. [PMID: 31931154 DOI: 10.1016/j.neuroimage.2020.116530] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Revised: 12/11/2019] [Accepted: 01/08/2020] [Indexed: 12/11/2022] Open
Abstract
Age-related differences in bimanual motor performance have been extensively documented, but their underlying neural mechanisms remain less clear. Studies applying diffusion MRI in the aging population have revealed evidence for age-related white matter variations in the corpus callosum (CC) which are related to bimanual motor performance. However, the diffusion tensor model used in those studies is confounded by partial volume effects in voxels with complex fiber geometries which are present in up to 90% of white matter voxels, including the bilateral projections of the CC. A recently developed whole-brain analysis framework, known as fixel-based analysis (FBA), enables comprehensive statistical analyses of white matter quantitative measures in the presence of such complex fiber geometries. To investigate the contribution of age-related fiber-specific white matter variations to age-related differences in bimanual performance, a cross-sectional lifespan sample of healthy human adults (N = 95; 20-75 years of age) performed a bimanual tracking task. Furthermore, diffusion MRI data were acquired and the FBA metrics associated with fiber density, cross-section, and combined fiber density and cross-section were estimated. Whole-brain FBA revealed significant negative associations between age and fiber density, cross-section, and combined metrics of multiple white matter tracts, including the bilateral projections of the CC, indicative of white matter micro- and macrostructural degradation with age. More importantly, mediation analyses demonstrated that age-related variations in the combined (fiber density and cross-section) metric of the genu, but not splenium, of the CC contributed to the observed age-related differences in bimanual coordination performance. These findings highlight the contribution of variations in interhemispheric communication between prefrontal (non-motor) cortices to age-related differences in motor performance.
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Affiliation(s)
- Hamed Zivari Adab
- Movement Control and Neuroplasticity Research Group, Department of Movement Sciences, Group Biomedical Sciences, KU Leuven, Leuven, Belgium; Leuven Brain Institute (LBI), KU Leuven, Leuven, Belgium.
| | - Sima Chalavi
- Movement Control and Neuroplasticity Research Group, Department of Movement Sciences, Group Biomedical Sciences, KU Leuven, Leuven, Belgium; Leuven Brain Institute (LBI), KU Leuven, Leuven, Belgium
| | - Thiago S Monteiro
- Movement Control and Neuroplasticity Research Group, Department of Movement Sciences, Group Biomedical Sciences, KU Leuven, Leuven, Belgium; Leuven Brain Institute (LBI), KU Leuven, Leuven, Belgium
| | - Jolien Gooijers
- Movement Control and Neuroplasticity Research Group, Department of Movement Sciences, Group Biomedical Sciences, KU Leuven, Leuven, Belgium; Leuven Brain Institute (LBI), KU Leuven, Leuven, Belgium
| | - Thijs Dhollander
- The Florey Institute of Neuroscience and Mental Health, Melbourne, Australia; The Florey Department of Neuroscience and Mental Health, University of Melbourne, Melbourne, Australia
| | - Dante Mantini
- Movement Control and Neuroplasticity Research Group, Department of Movement Sciences, Group Biomedical Sciences, KU Leuven, Leuven, Belgium; Brain Imaging and Neural Dynamics Research Group, IRCCS San Camillo Hospital, Venice, Italy
| | - Stephan P Swinnen
- Movement Control and Neuroplasticity Research Group, Department of Movement Sciences, Group Biomedical Sciences, KU Leuven, Leuven, Belgium; Leuven Brain Institute (LBI), KU Leuven, Leuven, Belgium
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113
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Kato K, Vogt T, Kanosue K. Brain Activity Underlying Muscle Relaxation. Front Physiol 2019; 10:1457. [PMID: 31849707 PMCID: PMC6901433 DOI: 10.3389/fphys.2019.01457] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2018] [Accepted: 11/11/2019] [Indexed: 01/04/2023] Open
Abstract
Fine motor control of not only muscle contraction but also muscle relaxation is required for appropriate movements in both daily life and sports. Movement disorders such as Parkinson’s disease and dystonia are often characterized by deficits of muscle relaxation. Neuroimaging and neurophysiological studies suggest that muscle relaxation is an active process requiring cortical activation, and not just the cessation of contraction. In this article, we review the neural mechanisms of muscle relaxation, primarily utilizing research involving transcranial magnetic stimulation (TMS). Several studies utilizing single-pulse TMS have demonstrated that, during the relaxation phase of a muscle, the excitability of the corticospinal tract controlling that particular muscle is more suppressed than in the resting condition. Other studies, utilizing paired-pulse TMS, have shown that the intracortical inhibition is activated just before muscle relaxation. Moreover, muscle relaxation of one body part suppresses cortical activities controlling other body parts in different limbs. Therefore, the cortical activity might not only be a trigger for muscle relaxation of the target muscles but could also bring about an inhibitory effect on other muscles. This spread of inhibition can hinder the appropriate contraction of muscles involved in multi-limb movements such as those used in sports and the play of musical instruments. This may also be the reason why muscle relaxation is so difficult for beginners, infants, elderly, and the cognitively impaired.
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Affiliation(s)
- Kouki Kato
- Physical Education Center, Nanzan University, Nagoya, Japan.,Faculty of Sport Sciences, Waseda University, Tokorozawa, Japan
| | - Tobias Vogt
- Institute of Professional Sport Education and Sport Qualifications, German Sport University Cologne, Cologne, Germany
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114
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115
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Kovacs AJ, Wang Y, Kennedy DM. Accessing interpersonal and intrapersonal coordination dynamics. Exp Brain Res 2019; 238:17-27. [PMID: 31754737 DOI: 10.1007/s00221-019-05676-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2019] [Accepted: 11/07/2019] [Indexed: 12/16/2022]
Abstract
Both intrapersonal and interpersonal coordination dynamics have traditionally been investigated using relative phase patterns of in-phase (ϕ = 0°) and/or anti-phase (ϕ = 180°). Numerous investigations have demonstrated that coordination tasks that require other relative phase patterns (e.g., 90°) are difficult or near impossible to perform without extended practice. Recent findings, however, have demonstrated that an individual can produce a wide range of intrapersonal bimanual patterns within a few minutes of practice when provided integrated feedback. The present experiment was designed to directly compare intra- and interpersonal coordination performance and variability when provided Lissajous feedback or pacing metronome. Single participants (N = 12) and pairs of participants (N = 24, 12 pairs) were required to produce relative phase patterns between 0° and 180° in 30° increments using either pacing metronomes or Lissajous displays. The Lissajous displays involved a goal template and a cursor providing integrated feedback regarding the position of the two effectors. The results indicated both single and pairs of participants could effectively produce a large range of coordination patterns that typically act as repellers after only 6 min of practice when provided integrated feedback. However, single participants performed the in-phase coordination pattern more accurately and with less variability than paired participants, regardless of the feedback condition. These results suggest an advantage for intrapersonal coordination when performing in-phase coordination, possibly due to the stabilizing effect occurring via the neuro-muscular linkage between effectors.
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Affiliation(s)
| | - Yiyu Wang
- Department of Health and Kinesiology, Texas A&M University, College Station, TX, 77802, USA
| | - Deanna M Kennedy
- Department of Health and Kinesiology, Texas A&M University, College Station, TX, 77802, USA.
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116
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Singh S, Mandziak A, Barr K, Blackwell AA, Mohajerani MH, Wallace DG, Whishaw IQ. Human string-pulling with and without a string: movement, sensory control, and memory. Exp Brain Res 2019; 237:3431-3447. [DOI: 10.1007/s00221-019-05684-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2019] [Accepted: 11/07/2019] [Indexed: 01/04/2023]
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117
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Ballardini G, Ponassi V, Galofaro E, Carlini G, Marini F, Pellegrino L, Morasso P, Casadio M. Interaction between position sense and force control in bimanual tasks. J Neuroeng Rehabil 2019; 16:137. [PMID: 31703703 PMCID: PMC6839077 DOI: 10.1186/s12984-019-0606-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Accepted: 10/10/2019] [Indexed: 12/03/2022] Open
Abstract
Background Several daily living activities require people to coordinate the motion and the force produced by both arms, using their position sense and sense of effort. However, to date, the interaction in bimanual tasks has not been extensively investigated. Methods We focused on bimanual tasks where subjects were required:
(Experiment 1) to move their hands until reaching the same position – equal hand position implied identical arm configurations in joint space - under different loading conditions; (Experiment 2) to produce the same amount of isometric force by pushing upward, with their hands placed in symmetric or asymmetric positions.
The arm motions and forces required for accomplishing these tasks were in the vertical direction. We enrolled a healthy population of 20 subjects for Experiment 1 and 25 for Experiment 2. Our primary outcome was the systematic difference between the two hands at the end of each trial in terms of position for Experiment 1 and force for Experiment 2. In both experiments using repeated measure ANOVA we evaluated the effect of each specific condition, namely loading in the former case and hand configuration in the latter. Results In the first experiment, the difference between the hands’ positions was greater when they were concurrently loaded with different weights. Conversely, in the second experiment, when subjects were asked to exert equal forces with both arms, the systematic difference between left and right force was not influenced by symmetric or asymmetric arm configurations, but by the position of the left hand, regardless of the right hand position. The performance was better when the left hand was in the higher position. Conclusions The experiments report the reciprocal interaction between position sense and sense of effort inbimanual tasks performed by healthy subjects. Apart for the intrinsic interest for a better understanding of basic sensorimotor processes, the results are also relevant to clinical applications, for defining functional evaluation and rehabilitative protocols for people with neurological diseases or conditions that impair the ability to sense and control concurrently position and force.
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Affiliation(s)
- Giulia Ballardini
- Department of Informatics, Bioengineering, Robotics, and Systems Engineering, University of Genoa, Genoa, Italy.
| | - Valentina Ponassi
- Department of Informatics, Bioengineering, Robotics, and Systems Engineering, University of Genoa, Genoa, Italy
| | - Elisa Galofaro
- Department of Informatics, Bioengineering, Robotics, and Systems Engineering, University of Genoa, Genoa, Italy
| | - Giorgio Carlini
- Department of Informatics, Bioengineering, Robotics, and Systems Engineering, University of Genoa, Genoa, Italy
| | | | - Laura Pellegrino
- Department of Informatics, Bioengineering, Robotics, and Systems Engineering, University of Genoa, Genoa, Italy
| | | | - Maura Casadio
- Department of Informatics, Bioengineering, Robotics, and Systems Engineering, University of Genoa, Genoa, Italy
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Pflug A, Gompf F, Muthuraman M, Groppa S, Kell CA. Differential contributions of the two human cerebral hemispheres to action timing. eLife 2019; 8:e48404. [PMID: 31697640 PMCID: PMC6837842 DOI: 10.7554/elife.48404] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2019] [Accepted: 10/08/2019] [Indexed: 01/22/2023] Open
Abstract
Rhythmic actions benefit from synchronization with external events. Auditory-paced finger tapping studies indicate the two cerebral hemispheres preferentially control different rhythms. It is unclear whether left-lateralized processing of faster rhythms and right-lateralized processing of slower rhythms bases upon hemispheric timing differences that arise in the motor or sensory system or whether asymmetry results from lateralized sensorimotor interactions. We measured fMRI and MEG during symmetric finger tapping, in which fast tapping was defined as auditory-motor synchronization at 2.5 Hz. Slow tapping corresponded to tapping to every fourth auditory beat (0.625 Hz). We demonstrate that the left auditory cortex preferentially represents the relative fast rhythm in an amplitude modulation of low beta oscillations while the right auditory cortex additionally represents the internally generated slower rhythm. We show coupling of auditory-motor beta oscillations supports building a metric structure. Our findings reveal a strong contribution of sensory cortices to hemispheric specialization in action control.
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Affiliation(s)
- Anja Pflug
- Cognitive Neuroscience Group, Brain Imaging Center and Department of NeurologyGoethe UniversityFrankfurtGermany
| | - Florian Gompf
- Cognitive Neuroscience Group, Brain Imaging Center and Department of NeurologyGoethe UniversityFrankfurtGermany
| | - Muthuraman Muthuraman
- Movement Disorders and Neurostimulation, Biomedical Statistics and Multimodal Signal Processing Unit, Department of NeurologyJohannes Gutenberg UniversityMainzGermany
| | - Sergiu Groppa
- Movement Disorders and Neurostimulation, Biomedical Statistics and Multimodal Signal Processing Unit, Department of NeurologyJohannes Gutenberg UniversityMainzGermany
| | - Christian Alexander Kell
- Cognitive Neuroscience Group, Brain Imaging Center and Department of NeurologyGoethe UniversityFrankfurtGermany
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119
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Response biases: the influence of the contralateral limb and head position. Exp Brain Res 2019; 237:3253-3264. [PMID: 31650213 DOI: 10.1007/s00221-019-05667-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2019] [Accepted: 10/03/2019] [Indexed: 10/25/2022]
Abstract
Two experiments were designed to determine response biases resulting from production of force in the contralateral limb and head position. Participants were required to react with one limb while tracking a sinewave template by generating a pattern of force defined by the sinewave with the contralateral limb or watching a cursor move through the sinewave. In Experiment 1, participants had to react with their right or left limb while their head was in a neutral position. In Experiment 2, participants had to react with their left limb while their head was turned 60° to the left or right. A color change of the waveform signaled participants to produce an isometric contraction with the reacting limb. Reaction time was calculated as the time interval between the color change of the waveform and the initiation of the response. The results indicated mean reaction time for the left limb was significantly influenced by force production in the right limb. During left limb reactions, reaction time was faster for trials in which both limbs initiated force simultaneously as compared to trials in which the left limb initiated force while the right limb was producing force. Mean reaction time for the right limb was not influenced by force production in the contralateral limb. The results are consistent with the notion that crosstalk can influence the time required to react to stimuli but this influence occurs at the point of force initiation and is asymmetric in nature with the dominant limb exerting a stronger influence on the non-dominant limb than vice versa. However, we did not find a similar effect for head position via the tonic neck response.
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120
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Doustan M, Namazizadeh M, Sheikh M, Naghdi N. Evaluation of learning of asymmetrical bimanual tasks and transfer to converse pattern: Load, temporal and spatial asymmetry of hand movements. ACTA GYMNICA 2019. [DOI: 10.5507/ag.2019.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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121
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Nemani A, Kruger U, Cooper CA, Schwaitzberg SD, Intes X, De S. Objective assessment of surgical skill transfer using non-invasive brain imaging. Surg Endosc 2019; 33:2485-2494. [PMID: 30334166 PMCID: PMC10756643 DOI: 10.1007/s00464-018-6535-z] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2018] [Accepted: 10/12/2018] [Indexed: 12/16/2022]
Abstract
BACKGROUND Physical and virtual surgical simulators are increasingly being used in training technical surgical skills. However, metrics such as completion time or subjective performance checklists often show poor correlation to transfer of skills into clinical settings. We hypothesize that non-invasive brain imaging can objectively differentiate and classify surgical skill transfer, with higher accuracy than established metrics, for subjects based on motor skill levels. STUDY DESIGN 18 medical students at University at Buffalo were randomly assigned into control, physical surgical trainer, or virtual trainer groups. Training groups practiced a surgical technical task on respective simulators for 12 consecutive days. To measure skill transfer post-training, all subjects performed the technical task in an ex-vivo environment. Cortical activation was measured using functional near-infrared spectroscopy (fNIRS) in the prefrontal cortex, primary motor cortex, and supplementary motor area, due to their direct impact on motor skill learning. RESULTS Classification between simulator trained and untrained subjects based on traditional metrics is poor, where misclassification errors range from 20 to 41%. Conversely, fNIRS metrics can successfully classify physical or virtual trained subjects from untrained subjects with misclassification errors of 2.2% and 8.9%, respectively. More importantly, untrained subjects are successfully classified from physical or virtual simulator trained subjects with misclassification errors of 2.7% and 9.1%, respectively. CONCLUSION fNIRS metrics are significantly more accurate than current established metrics in classifying different levels of surgical motor skill transfer. Our approach brings robustness, objectivity, and accuracy in validating the effectiveness of future surgical trainers in translating surgical skills to clinically relevant environments.
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Affiliation(s)
- Arun Nemani
- Rensselaer Polytechnic Institute, 110, 8th Street, Troy, NY, 12180, USA
| | - Uwe Kruger
- Rensselaer Polytechnic Institute, 110, 8th Street, Troy, NY, 12180, USA
| | - Clairice A Cooper
- University at Buffalo School of Medicine and Biomedical Sciences, Buffalo, NY, 14228, USA
| | - Steven D Schwaitzberg
- University at Buffalo School of Medicine and Biomedical Sciences, Buffalo, NY, 14228, USA
| | - Xavier Intes
- Rensselaer Polytechnic Institute, 110, 8th Street, Troy, NY, 12180, USA
| | - Suvranu De
- Rensselaer Polytechnic Institute, 110, 8th Street, Troy, NY, 12180, USA.
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122
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Mesquita PHC, Lage GM, Franchini E, Romano-Silva MA, Albuquerque MR. Bi-hemispheric anodal transcranial direct current stimulation worsens taekwondo-related performance. Hum Mov Sci 2019; 66:578-586. [PMID: 31254810 DOI: 10.1016/j.humov.2019.06.003] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2019] [Revised: 06/05/2019] [Accepted: 06/05/2019] [Indexed: 12/11/2022]
Abstract
Transcranial Direct Current Stimulation (tDCS) is a neuromodulatory technique that has been used as an ergogenic aid in exercise/sports performance. However, little is known about its effects on highly-trained subjects, as athletes. The present study aimed to verify the effects of bi-hemispheric anodal tDCS (a-tDCS) on the performance of taekwondo athletes. Additionally, we investigated the persistence of the effects of the a-tDCS one hour after it. Nineteen Taekwondo athletes received active or sham bi-hemispheric a-tDCS over the primary motor cortex (M1). a-tDCS was delivered at 1.5 mA for 15 min. Athletes performed Countermovement Jumps (CMJ) and the Frequency Speed of Kick Test (FSKT) immediately (Mo1) and one hour after stimulation (Mo2). The athletes also reported their session-rating of perceived exertion (session-RPE). The total number of kicks (TK) was higher in sham than in the active a-tDCS condition (p < 0.01). In addition, TK was higher at Mo2 than at Mo1 (p < 0.05). Similarly, the session-RPE was higher in the a-tDCS condition (p < 0.05) and was greater one-hour post-stimulation (p < 0.01). No differences were found for CMJ performance (p > 0.05). Thus, bi-hemispheric a-tDCS worsens performance of taekwondo athletes, and the effect remains present even 1 h after the stimulation.
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Scharoun Benson SM, Bryden PJ. Hand selection for role‐differentiated bimanual manipulation in a beading task: An assessment of typically developing children. INFANT AND CHILD DEVELOPMENT 2019. [DOI: 10.1002/icd.2136] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Sara M. Scharoun Benson
- Department of KinesiologyUniversity of Windsor Windsor Ontario Canada
- Department of Kinesiology and Physical EducationWilfrid Laurier University Waterloo Ontario Canada
| | - Pamela J. Bryden
- Department of Kinesiology and Physical EducationWilfrid Laurier University Waterloo Ontario Canada
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124
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Qi W, Nakajima T, Sakamoto M, Kato K, Kawakami Y, Kanosue K. Walking and finger tapping can be done with independent rhythms. Sci Rep 2019; 9:7620. [PMID: 31110194 PMCID: PMC6527701 DOI: 10.1038/s41598-019-43824-0] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2018] [Accepted: 05/02/2019] [Indexed: 11/16/2022] Open
Abstract
Rhythmic movements occur in many aspects of daily life. Examples include clapping the hands and walking. The production of two independent rhythms with multiple limbs is considered to be extremely difficult. In the present study we evaluated whether two different, independent rhythms that involved finger tapping and walking could be produced. In Experiment I, twenty subjects that had no experience of musical instrument training performed rhythmic finger tapping with the right index finger and one of four different lower limb movements; (1) self-paced walking, (2) given-paced walking, (3) alternative bilateral heel tapping from a sitting position, and (4) unilateral heel tapping with the leg ipsilateral to the tapping finger from a sitting position. The target intervals of finger tapping and heel strikes for walking step/heel tapping were set at 375 ms and 600 ms, respectively. The even distribution of relative phases between instantaneous finger tapping and heel strike was taken as the criteria of independency for the two rhythms. In the self-paced walking and given-paced walking tasks, 16 out of 20 subjects successfully performed finger tapping and walking with independent rhythms without any special practice. On the other hand, in the bipedal heels striking and unipedal heel striking tasks 19 subjects failed to perform the two movements independently, falling into interrelated rhythms with the ratio mostly being 2:1. In Experiment II, a similar independency of finger tapping and walking at a given pace was observed for heel strike intervals of 400, 600, and 800 ms, as well as at the constant 375 ms for finger tapping. These results suggest that finger tapping and walking are controlled by separate neural control mechanisms, presumably with a supra-spinal locus for finger tapping, and a spinal location for walking.
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Affiliation(s)
- Weihuang Qi
- Graduate School of Sport Sciences, Waseda University, Saitama, Japan
| | - Tsuyoshi Nakajima
- Department of Integrative Physiology, Kyorin University School of Medicine, Tokyo, Japan
| | - Masanori Sakamoto
- Faculty of Education, Department of Physical Education, Kumamoto University, Kumamoto, Japan
| | - Kouki Kato
- Faculty of Sport Sciences, Waseda University, Saitama, Japan
| | - Yasuo Kawakami
- Faculty of Sport Sciences, Waseda University, Saitama, Japan
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125
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Yamaguchi A, Milosevic M, Sasaki A, Nakazawa K. Force Control of Ankle Dorsiflexors in Young Adults: Effects of Bilateral Control and Leg Dominance. J Mot Behav 2019; 52:226-235. [DOI: 10.1080/00222895.2019.1609408] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Akiko Yamaguchi
- Department of Life Sciences, Graduate School of Arts and Sciences, The University of Tokyo, Tokyo, Japan
| | - Matija Milosevic
- Graduate School of Engineering Science, Division of Bioengineering, Osaka University, Toyonaka, Japan
| | - Atsushi Sasaki
- Department of Life Sciences, Graduate School of Arts and Sciences, The University of Tokyo, Tokyo, Japan
| | - Kimitaka Nakazawa
- Department of Life Sciences, Graduate School of Arts and Sciences, The University of Tokyo, Tokyo, Japan
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126
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Schloesser DS, Kello CT, Marmelat V. Complexity matching and coordination in individual and dyadic performance. Hum Mov Sci 2019; 66:258-272. [PMID: 31078945 PMCID: PMC6842078 DOI: 10.1016/j.humov.2019.04.010] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2018] [Revised: 04/21/2019] [Accepted: 04/22/2019] [Indexed: 11/17/2022]
Abstract
Complexity matching is a measure of coordination based on information exchange between complex networks. To date, studies have focused mainly on interpersonal coordination, but complexity matching may generalize to interacting networks within individuals. The present study examined complexity matching in a double, coordinated Fitts' perceptual-motor task with comparable individual and dyadic conditions. Participants alternated touching targets with their left and right hands in the individual condition, or analogously with the left hand of one partner and the right hand of another in the dyadic condition. In Experiment 1, response coupling was manipulated by making targets drift either randomly or contingently based on prior responses. Here, drift refers to the variability in the target movements between response locations. Long-range correlations in time series of inter-response intervals exhibited complexity matching between the left and right hands of dyads and individuals. Response coupling was necessary for complexity matching in dyads but not individuals. When response coupling was absent in the dyadic condition, the degree of complexity matching was significantly reduced. Experiment 2 showed that the effect of coupling was due to interactions between left and right responses. Results also showed a weak, negative relationship between complexity matching and performance as measured by total response time. In conclusion, principles and measures of complexity matching apply similarly within and between individuals, and perceptual-motor performance can be facilitated by loose response coupling.
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Affiliation(s)
- Daniel S Schloesser
- Cognitive and Information Sciences, University of California, Merced, United States.
| | - Christopher T Kello
- Cognitive and Information Sciences, University of California, Merced, United States
| | - Vivien Marmelat
- Department of Biomechanics, University of Nebraska at Omaha, United States
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127
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Maudrich T, Kenville R, Nikulin VV, Maudrich D, Villringer A, Ragert P. Inverse relationship between amplitude and latency of physiological mirror activity during repetitive isometric contractions. Neuroscience 2019; 406:300-313. [DOI: 10.1016/j.neuroscience.2019.03.029] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2018] [Revised: 03/11/2019] [Accepted: 03/12/2019] [Indexed: 02/07/2023]
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128
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Choi W, Lee S. The Effects of Virtual Kayak Paddling Exercise on Postural Balance, Muscle Performance, and Cognitive Function in Older Adults with Mild Cognitive Impairment: A Randomized Controlled Trial. J Aging Phys Act 2019; 27:861–870. [PMID: 31034303 DOI: 10.1123/japa.2018-0020] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Deterioration of physical and psychological health is an important issue in older adults aged 65 years or more. This study aimed to determine whether a virtual kayak paddling (VKP) exercise could improve postural balance, muscle performance, and cognitive function in older adults with mild cognitive impairment. Sixty participants were randomly assigned to the VKP (n = 30) or control group (n = 30). Participants in the VKP group performed the paddling exercise in a virtual environment for 60 min twice a week for 6 weeks, while those in the control group performed home exercises. Postural balance (p < .05), muscle performance (p < .05), and cognitive function (p < .05) were significantly improved in the VKP group and were superior to those in the control group (p < .05). Thus, our findings indicate that VKP exercise improves postural balance, muscle performance, and cognitive function in older adults with mild cognitive impairment.
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Affiliation(s)
- Wonjae Choi
- 1 Institute of SMART Rehabilitation, Sahmyook University, Seoul 01795, Republic of Korea
| | - Seungwon Lee
- 1 Institute of SMART Rehabilitation, Sahmyook University, Seoul 01795, Republic of Korea
- 2 Department of Physical Therapy, Sahmyook University, Seoul 01795, Republic of Korea
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129
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Tisseyre J, Marquet-Doléac J, Barral J, Amarantini D, Tallet J. Lateralized inhibition of symmetric contractions is associated with motor, attentional and executive processes. Behav Brain Res 2019; 361:65-73. [DOI: 10.1016/j.bbr.2018.12.034] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2018] [Revised: 11/23/2018] [Accepted: 12/17/2018] [Indexed: 10/27/2022]
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130
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Washabaugh EP, Treadway E, Gillespie RB, Remy CD, Krishnan C. Self-powered robots to reduce motor slacking during upper-extremity rehabilitation: a proof of concept study. Restor Neurol Neurosci 2019; 36:693-708. [PMID: 30400120 DOI: 10.3233/rnn-180830] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND Robotic rehabilitation is a highly promising approach to recover lost functions after stroke or other neurological disorders. Unfortunately, robotic rehabilitation currently suffers from "motor slacking", a phenomenon in which the human motor system reduces muscle activation levels and movement excursions, ostensibly to minimize metabolic- and movement-related costs. Consequently, the patient remains passive and is not fully engaged during therapy. To overcome this limitation, we envision a new class of body-powered robots and hypothesize that motor slacking could be reduced if individuals must provide the power to move their impaired limbs via their own body (i.e., through the motion of a healthy limb). OBJECTIVE To test whether a body-powered exoskeleton (i.e. robot) could reduce motor slacking during robotic training. METHODS We developed a body-powered robot that mechanically coupled the motions of the user's elbow joints. We tested this passive robot in two groups of subjects (stroke and able-bodied) during four exercise conditions in which we controlled whether the robotic device was powered by the subject or by the experimenter, and whether the subject's driven arm was engaged or at rest. Motor slacking was quantified by computing the muscle activation changes of the elbow flexor and extensor muscles using surface electromyography. RESULTS Subjects had higher levels of muscle activation in their driven arm during self-powered conditions compared to externally-powered conditions. Most notably, subjects unintentionally activated their driven arm even when explicitly told to relax when the device was self-powered. This behavior was persistent throughout the trial and did not wane after the initiation of the trial. CONCLUSIONS Our findings provide novel evidence indicating that motor slacking can be reduced by self-powered robots; thus demonstrating promise for rehabilitation of impaired subjects using this new class of wearable system. The results also serve as a foundation to develop more sophisticated body-powered robots (e.g., with controllable transmissions) for rehabilitation purposes.
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Affiliation(s)
- Edward P Washabaugh
- NeuRRo Lab, Department of Physical Medicine and Rehabilitation, Michigan Medicine, Ann Arbor, MI, USA.,Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI, USA
| | - Emma Treadway
- Department of Mechanical Engineering, University of Michigan, Ann Arbor, MI, USA
| | - R Brent Gillespie
- Department of Mechanical Engineering, University of Michigan, Ann Arbor, MI, USA.,Michigan Robotics Institute, University of Michigan, Ann Arbor, MI, USA
| | - C David Remy
- Department of Mechanical Engineering, University of Michigan, Ann Arbor, MI, USA.,Michigan Robotics Institute, University of Michigan, Ann Arbor, MI, USA
| | - Chandramouli Krishnan
- NeuRRo Lab, Department of Physical Medicine and Rehabilitation, Michigan Medicine, Ann Arbor, MI, USA.,Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI, USA.,Michigan Robotics Institute, University of Michigan, Ann Arbor, MI, USA
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131
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Jin Y, Lee J, Kim S, Yoon B. Noninvasive brain stimulation over M1 and DLPFC cortex enhances the learning of bimanual isometric force control. Hum Mov Sci 2019; 66:73-83. [PMID: 30921762 DOI: 10.1016/j.humov.2019.03.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2018] [Revised: 03/04/2019] [Accepted: 03/04/2019] [Indexed: 11/19/2022]
Abstract
Motor learning plays an important role in upper-limb function and the recovery of lost functionality. This study aimed to investigate the relative impact of transcranial direct current stimulation (tDCS) on learning in relation to the left primary motor cortex (M1) and left dorsolateral prefrontal cortex (DLPFC) during bimanual isometric force-control tasks performed with both hands under different task constraints. In a single-blind cross-over design, 20 right-handed participants were randomly assigned to either the M1 group (n = 10; mean age, 22.90 ± 1.66 years, mean ± standard deviation) or the DLPFC group (n = 10; mean age, 23.20 ± 1.54 years). Each participant received 30 min of tDCS (anodal or sham, applied randomly in two experiments) while performing the bimanual force control tasks. Anodal tDCS of the M1 improved the accuracy of maintenance and rhythmic alteration of force tasks, while anodal tDCS of the DLPFC improved only the maintenance of the force control tasks compared with sham tDCS. Hence, tDCS over the left M1 and DLPFC has a beneficial effect on the learning of bimanual force control.
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Affiliation(s)
- Yan Jin
- Major in Rehabilitation Science, Graduate School, Korea University, Seoul, Republic of Korea
| | - Jaehyuk Lee
- Major in Rehabilitation Science, Graduate School, Korea University, Seoul, Republic of Korea
| | - Sungyong Kim
- Department of Physical Therapy, College of Health Sciences, Korea University, Seoul, Republic of Korea
| | - BumChul Yoon
- Major in Rehabilitation Science, Graduate School, Korea University, Seoul, Republic of Korea; Department of Physical Therapy, College of Health Sciences, Korea University, Seoul, Republic of Korea.
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132
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Kinematic profiles suggest differential control processes involved in bilateral in-phase and anti-phase movements. Sci Rep 2019; 9:3273. [PMID: 30824858 PMCID: PMC6397147 DOI: 10.1038/s41598-019-40295-1] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2018] [Accepted: 02/11/2019] [Indexed: 01/24/2023] Open
Abstract
In-phase and anti-phase movements represent two basic coordination modes with different characteristics: during in-phase movements, bilateral homologous muscle groups contract synchronously, whereas during anti-phase movements, they contract in an alternating fashion. Previous studies suggested that in-phase movements represent a more stable and preferential bilateral movement template in humans. The current experiment aims at confirming and extending this notion by introducing new empirical measures of spatiotemporal dynamics during performance of a bilateral circle drawing task in an augmented-reality environment. First, we found that anti-phase compared to in-phase movements were performed with higher radial variability, a result that was mainly driven by the non-dominant hand. Second, the coupling of both limbs was higher during in-phase movements, corroborated by a lower inter-limb phase difference and higher inter-limb synchronization. Importantly, the movement acceleration profile between bilateral hands followed an in-phase relationship during in-phase movements, while no specific relationship was found in anti-phase condition. These spatiotemporal relationships between hands support the hypothesis that differential neural processes govern both bilateral coordination modes and suggest that both limbs are controlled more independently during anti-phase movements, while bilateral in-phase movements are elicited by a common neural generator.
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133
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The effects of acute exercise on visuomotor adaptation, learning, and inter-limb transfer. Exp Brain Res 2019; 237:1109-1127. [DOI: 10.1007/s00221-019-05491-5] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2018] [Accepted: 02/09/2019] [Indexed: 12/21/2022]
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134
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Shared right-hemispheric representations of sensorimotor goals in dynamic task environments. Exp Brain Res 2019; 237:977-987. [PMID: 30694342 DOI: 10.1007/s00221-019-05478-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2018] [Accepted: 01/14/2019] [Indexed: 10/27/2022]
Abstract
Functional behaviour affords that we form goals to integrate sensory information about the world around us with suitable motor actions, such as when we plan to grab an object with a hand. However, much research has tested grasping in static scenarios where goals are pursued with repetitive movements, whereas dynamic contexts require goals to be pursued even when changes in the environment require a change in the actions to attain them. To study grasp goals in dynamic environments here, we employed a task where the goal remained the same but the execution of the movement changed; we primed participants to grasp objects either with their right or left hand, and occasionally they had to switch to grasping with both. Switch costs should be minimal if grasp goal representations were used continuously, for example, within the left dominant hemisphere. But remapped or re-computed goal representations should delay movements. We found that switching from right-hand grasping to bimanual grasping delayed reaction times but switching from left-hand grasping to bimanual grasping did not. Further, control experiments showed that the lateralized switch costs were not caused by asymmetric inhibition between hemispheres or switches between usual and unusual tasks. Our results show that the left hemisphere does not serve a general role of sensorimotor grasp goal representation. Instead, sensorimotor grasp goals appear to be represented at intermediate levels of abstraction, downstream from cognitive task representations, yet upstream from the control of the grasping effectors.
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135
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Welniarz Q, Gallea C, Lamy JC, Méneret A, Popa T, Valabregue R, Béranger B, Brochard V, Flamand-Roze C, Trouillard O, Bonnet C, Brüggemann N, Bitoun P, Degos B, Hubsch C, Hainque E, Golmard JL, Vidailhet M, Lehéricy S, Dusart I, Meunier S, Roze E. The supplementary motor area modulates interhemispheric interactions during movement preparation. Hum Brain Mapp 2019; 40:2125-2142. [PMID: 30653778 DOI: 10.1002/hbm.24512] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2018] [Revised: 11/21/2018] [Accepted: 01/01/2019] [Indexed: 01/25/2023] Open
Abstract
The execution of coordinated hand movements requires complex interactions between premotor and primary motor areas in the two hemispheres. The supplementary motor area (SMA) is involved in movement preparation and bimanual coordination. How the SMA controls bimanual coordination remains unclear, although there is evidence suggesting that the SMA could modulate interhemispheric interactions. With a delayed-response task, we investigated interhemispheric interactions underlying normal movement preparation and the role of the SMA in these interactions during the delay period of unimanual or bimanual hand movements. We used functional MRI and transcranial magnetic stimulation in 22 healthy volunteers (HVs), and then in two models of SMA dysfunction: (a) in the same group of HVs after transient disruption of the right SMA proper by continuous transcranial magnetic theta-burst stimulation; (b) in a group of 22 patients with congenital mirror movements (CMM), whose inability to produce asymmetric hand movements is associated with SMA dysfunction. In HVs, interhemispheric connectivity during the delay period was modulated according to whether or not hand coordination was required for the forthcoming movement. In HVs following SMA disruption and in CMM patients, interhemispheric connectivity was modified during the delay period and the interhemispheric inhibition was decreased. Using two models of SMA dysfunction, we showed that the SMA modulates interhemispheric interactions during movement preparation. This unveils a new role for the SMA and highlights its importance in coordinated movement preparation.
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Affiliation(s)
- Quentin Welniarz
- Faculté de Médecine, INSERM U 1127, CNRS UMR 7225, Institut du Cerveau et de la Moelle épinière, Sorbonne Université, Paris, France.,Faculté des sciences, INSERM, CNRS, Institut de Biologie Paris Seine, Neuroscience Paris Seine, Sorbonne Université, Paris, France
| | - Cécile Gallea
- Faculté de Médecine, INSERM U 1127, CNRS UMR 7225, Institut du Cerveau et de la Moelle épinière, Sorbonne Université, Paris, France
| | - Jean-Charles Lamy
- Faculté de Médecine, INSERM U 1127, CNRS UMR 7225, Institut du Cerveau et de la Moelle épinière, Sorbonne Université, Paris, France
| | - Aurélie Méneret
- Faculté de Médecine, INSERM U 1127, CNRS UMR 7225, Institut du Cerveau et de la Moelle épinière, Sorbonne Université, Paris, France.,Département de Neurologie, Assistance Publique - Hôpitaux de Paris, Hôpital Pitié-Salpêtrière, Paris, France
| | - Traian Popa
- Faculté de Médecine, INSERM U 1127, CNRS UMR 7225, Institut du Cerveau et de la Moelle épinière, Sorbonne Université, Paris, France
| | - Romain Valabregue
- Centre de NeuroImagerie de Recherche CENIR, Institut du Cerveau et de la Moelle - ICM, Paris, France
| | - Benoît Béranger
- Centre de NeuroImagerie de Recherche CENIR, Institut du Cerveau et de la Moelle - ICM, Paris, France
| | - Vanessa Brochard
- Centre d'Investigation Clinique 14-22, INSERM/AP-HP, Paris, France
| | - Constance Flamand-Roze
- IFPPC, Centre CAMKeys, 7 rue des Cordelières, Paris, France.,Service de Neurologie, Unité Cardiovasculaire, Centre Hospitalier Sud-Francilien, Université Paris-Sud, Corbeille-Essonne, France
| | - Oriane Trouillard
- Faculté de Médecine, INSERM U 1127, CNRS UMR 7225, Institut du Cerveau et de la Moelle épinière, Sorbonne Université, Paris, France
| | - Cécilia Bonnet
- Faculté de Médecine, INSERM U 1127, CNRS UMR 7225, Institut du Cerveau et de la Moelle épinière, Sorbonne Université, Paris, France.,Département de Neurologie, Assistance Publique - Hôpitaux de Paris, Hôpital Pitié-Salpêtrière, Paris, France
| | - Norbert Brüggemann
- Department of Neurology, University of Lübeck, Lübeck, Germany.,Institute of Neurogenetics, University of Lübeck, Lübeck, Germany
| | | | - Bertrand Degos
- Département de Neurologie, Assistance Publique - Hôpitaux de Paris, Hôpital Pitié-Salpêtrière, Paris, France
| | - Cécile Hubsch
- Faculté de Médecine, INSERM U 1127, CNRS UMR 7225, Institut du Cerveau et de la Moelle épinière, Sorbonne Université, Paris, France.,Département de Neurologie, Assistance Publique - Hôpitaux de Paris, Hôpital Pitié-Salpêtrière, Paris, France
| | - Elodie Hainque
- Faculté de Médecine, INSERM U 1127, CNRS UMR 7225, Institut du Cerveau et de la Moelle épinière, Sorbonne Université, Paris, France.,Département de Neurologie, Assistance Publique - Hôpitaux de Paris, Hôpital Pitié-Salpêtrière, Paris, France
| | - Jean-Louis Golmard
- Département de biostatistiques, AP-HP, Groupe Hospitalier Pitié-Salpêtrière Charles Foix, Paris, France
| | - Marie Vidailhet
- Faculté de Médecine, INSERM U 1127, CNRS UMR 7225, Institut du Cerveau et de la Moelle épinière, Sorbonne Université, Paris, France.,Département de Neurologie, Assistance Publique - Hôpitaux de Paris, Hôpital Pitié-Salpêtrière, Paris, France
| | - Stéphane Lehéricy
- Faculté de Médecine, INSERM U 1127, CNRS UMR 7225, Institut du Cerveau et de la Moelle épinière, Sorbonne Université, Paris, France.,Centre de NeuroImagerie de Recherche CENIR, Institut du Cerveau et de la Moelle - ICM, Paris, France
| | - Isabelle Dusart
- Faculté des sciences, INSERM, CNRS, Institut de Biologie Paris Seine, Neuroscience Paris Seine, Sorbonne Université, Paris, France
| | - Sabine Meunier
- Faculté de Médecine, INSERM U 1127, CNRS UMR 7225, Institut du Cerveau et de la Moelle épinière, Sorbonne Université, Paris, France
| | - Emmanuel Roze
- Faculté de Médecine, INSERM U 1127, CNRS UMR 7225, Institut du Cerveau et de la Moelle épinière, Sorbonne Université, Paris, France.,Département de Neurologie, Assistance Publique - Hôpitaux de Paris, Hôpital Pitié-Salpêtrière, Paris, France
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136
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Vuckovic A, Pangaro S, Finda P. Unimanual Versus Bimanual Motor Imagery Classifiers for Assistive and Rehabilitative Brain Computer Interfaces. IEEE Trans Neural Syst Rehabil Eng 2018; 26:2407-2415. [DOI: 10.1109/tnsre.2018.2877620] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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137
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Li Y, Power KE, Marchetti PH, Behm DG. The effect of dominant first dorsal interosseous fatigue on the force production of a contralateral homologous and heterologous muscle. Appl Physiol Nutr Metab 2018; 44:704-712. [PMID: 30468626 DOI: 10.1139/apnm-2018-0583] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Crossover and nonlocal muscle fatigue (NLMF) has generally focused on large muscle groups. It is unclear if fatigue of a small muscle can result in NLMF of a larger muscle. The purpose of the present study was to examine the effect of small muscle (first dorsal interosseous; FDI) fatigue on the force and activation of contralateral homologous and larger heterologous muscles (biceps brachii; BB). Fifteen right-handed male subjects performed 3 pre-test index finger abduction or elbow flexion maximum voluntary isometric contractions (MVICs) on the nondominant side. Subsequently, they performed two 100-s index finger abduction MVICs on the dominant side (experimental (fatigue) group) or rested for 5 min (control group). Afterwards, a single MVIC and a 12-repetition MVIC fatiguing protocol were completed with index finger abduction or elbow flexion on the nondominant side. Force and electromyography (EMG) were measured from both sides. The force and EMG (median frequency; MDF) of nonexercised index finger abductors (IFA)/FDI and elbow flexors (EF)/BB significantly decreased after the fatiguing protocol. Compared with the control condition, the nonexercised IFA (12.5% and 5.7%) had significantly greater force and MDF fatigue indexes than the EF (5.2% and 1.7%). There were no significant force differences with the single MVIC test between conditions. The small muscle fatiguing protocol produced NLMF effects on both contralateral homologous and larger heterologous muscles, with the force decrements greater with the homologous muscle.
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Affiliation(s)
- Yimeng Li
- a School of Human Kinetics and Recreation, Memorial University of Newfoundland, St. John's, NL A1M 3L8, Canada
| | - Kevin E Power
- a School of Human Kinetics and Recreation, Memorial University of Newfoundland, St. John's, NL A1M 3L8, Canada
| | - Paulo H Marchetti
- b College of Health and Human Development, Department of Kinesiology, California State University, Northridge, Northridge, CA 91330, USA
| | - David G Behm
- a School of Human Kinetics and Recreation, Memorial University of Newfoundland, St. John's, NL A1M 3L8, Canada
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138
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Mirror-hand selection is influenced by training perspective and model skill level in a motor-learning task. Exp Brain Res 2018; 237:417-426. [DOI: 10.1007/s00221-018-5428-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2018] [Accepted: 11/03/2018] [Indexed: 10/27/2022]
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139
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Igarashi M, Wickens J. Kinematic analysis of bimanual movements during food handling by head-fixed rats. J Neurophysiol 2018; 121:490-499. [PMID: 30403548 DOI: 10.1152/jn.00295.2018] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Bimanual coordination, in which both hands work together to achieve a goal, is crucial for the basic needs of life, such as gathering and feeding. Such coordinated motor skill is highly developed in primates, where it has been most extensively studied. Rodents also exhibit remarkable dexterity and coordination of forelimbs during food handling and consumption. However, rodents have been less commonly used in the study of bimanual coordination because of limited quantitative measuring techniques. In this article we describe a high-resolution tracking system that enables kinematic analysis of rat forelimb movement. The system is used to quantify forelimb movements bilaterally in head-fixed rats during food handling and consumption. Forelimb movements occurring naturally during feeding were encoded as continuous three-dimensional trajectories. The trajectories were then automatically segmented and analyzed, using a novel algorithm, according to the laterality of movement speed or the asymmetry of movement direction across the forelimbs. Bilateral forelimb movements were frequently observed during spontaneous food handling. Both symmetry and asymmetry in movement direction were frequently observed, with symmetric bilateral movements quantitatively more common. The proposed method overcomes a limitation in the precise quantification of bimanual coordination in rodents. This enables the use of powerful rodent-based research tools such as optogenetics and chemogenetics in the further investigation of neural mechanisms of bimanual coordination. NEW & NOTEWORTHY We describe a new method for quantifying and classifying three-dimensional, bilateral forelimb trajectories in head-fixed rats. The method overcomes limits on quantifying bimanual coordination in rats. When applied to kinematic analysis of food handling behavior, continuous forelimb trajectories were automatically segmented and classified. Bilateral forelimb movements were observed more frequently than unilateral movements during spontaneous food handling. Both symmetry and asymmetry in movement direction were frequently observed. However, symmetric bilateral forelimb movements were more common.
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Affiliation(s)
- Masakazu Igarashi
- Neurobiology Research Unit, Okinawa Institute of Science and Technology Graduate University , Okinawa , Japan
| | - Jeff Wickens
- Neurobiology Research Unit, Okinawa Institute of Science and Technology Graduate University , Okinawa , Japan
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140
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Dixon P, Glover S. Solo versus joint bimanual coordination. Exp Brain Res 2018; 237:273-287. [PMID: 30390100 DOI: 10.1007/s00221-018-5420-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2018] [Accepted: 10/27/2018] [Indexed: 11/29/2022]
Abstract
Understanding the differences between solo and joint action control is an important goal in psychology. The present study represented a novel approach in which participants performed a bimanual finger oscillation task, either alone or in pairs. It was hypothesized that performance of this task relies heavily on attention and utilizes two independent processes that differentially affect solo and joint performance. One process attempts to align the fingers correctly regardless of oscillation speed, and this is reflected in an alignment error evident even at slow oscillations. A second process attempts to minimize the time lag between the fingers as the oscillation speed increases, reflected in a temporal error indexed by the rate of error increase with increasing movement speed. In three experiments, alignment and temporal error in the finger oscillation task were compared in solo and joint actors. Overall, solo actors had much lower alignment error than joint actors. Solo actors also showed a reduction in temporal error when the fingers moved in a symmetrical rather than parallel fashion, consistent with previous research showing an increase in error with increasing movement speed. However, the effect of symmetry on temporal error did not occur with joint actors. Similar results were found with one hand inverted, suggesting that the pattern of results was not due to the use of homologous muscles. To test the role of visual feedback, we examined the effect of denying visual feedback to one of the actors in the joint condition. Paradoxically, under these conditions, there was lower temporal error in the symmetrical condition. These results are interpreted in terms of the organization of solo versus joint actions and the control of bimanual tasks in general.
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Affiliation(s)
- Peter Dixon
- Department of Psychology, University of Alberta, Edmonton, AB, T6G 2E9, Canada.
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141
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Nemani A, Yücel MA, Kruger U, Gee DW, Cooper C, Schwaitzberg SD, De S, Intes X. Assessing bimanual motor skills with optical neuroimaging. SCIENCE ADVANCES 2018; 4:eaat3807. [PMID: 30306130 PMCID: PMC6170034 DOI: 10.1126/sciadv.aat3807] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2018] [Accepted: 08/29/2018] [Indexed: 05/12/2023]
Abstract
Measuring motor skill proficiency is critical for the certification of highly skilled individuals in numerous fields. However, conventional measures use subjective metrics that often cannot distinguish between expertise levels. We present an advanced optical neuroimaging methodology that can objectively and successfully classify subjects with different expertise levels associated with bimanual motor dexterity. The methodology was tested by assessing laparoscopic surgery skills within the framework of the fundamentals of a laparoscopic surgery program, which is a prerequisite for certification in general surgery. We demonstrate that optical-based metrics outperformed current metrics for surgical certification in classifying subjects with varying surgical expertise. Moreover, we report that optical neuroimaging allows for the successful classification of subjects during the acquisition of these skills.
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Affiliation(s)
- Arun Nemani
- Department of Biomedical Engineering, Rensselaer Polytechnic Institute, Troy, NY 12180, USA
| | - Meryem A. Yücel
- Department of Radiology, Harvard Medical School, Cambridge, MA 02138, USA
| | - Uwe Kruger
- Department of Biomedical Engineering, Rensselaer Polytechnic Institute, Troy, NY 12180, USA
| | - Denise W. Gee
- Department of Surgery, Massachusetts General Hospital, Boston, MA 02114, USA
| | - Clairice Cooper
- University at Buffalo School of Medicine and Biomedical Sciences, Buffalo, NY 14260, USA
| | - Steven D. Schwaitzberg
- University at Buffalo School of Medicine and Biomedical Sciences, Buffalo, NY 14260, USA
| | - Suvranu De
- Department of Biomedical Engineering, Rensselaer Polytechnic Institute, Troy, NY 12180, USA
- Corresponding author. (S.D.); (X.I.)
| | - Xavier Intes
- Department of Biomedical Engineering, Rensselaer Polytechnic Institute, Troy, NY 12180, USA
- Corresponding author. (S.D.); (X.I.)
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142
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Anderson C, Rajamani K, Pardo V, Adamo DE. Asymmetries in force matching are related to side of stroke in right-handed individuals. Neurosci Lett 2018; 683:144-149. [PMID: 30055254 DOI: 10.1016/j.neulet.2018.07.034] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2018] [Revised: 07/17/2018] [Accepted: 07/21/2018] [Indexed: 12/20/2022]
Abstract
Asymmetries in grasp force matching extend beyond quantifying a single measure of maximum grip strength and advance our application of side-specific treatment interventions. A cross sectional study design investigated grasp-force matching performance in right-handed individuals with a stroke and age-matched healthy controls. A visual representation of the 20% Maximum Voluntary Contraction (MVC) was matched in three conditions in the absence of visual feedback with the same (Ipsilateral Remembered - IR) or opposite hand (Concurrent - CC and Contralateral Remembered - CR). Greater overall relative error (RE) was found in contralateral compared to ipsilateral matching tasks. In the CR condition, post hoc analysis revealed significant differences between control and right hemisphere damage (RHD) group (95% CI [16.41-88.59]; p < 0.01) as well as left hemisphere damage (LHD) group and RHD (95% CI [23.4-95.09]; p < 0.01). Right hand matching relative error was 2.49 times larger in the RHD compared to the LHD group. Within the RHD group, matching errors were greater for the right than left hand in both contralateral conditions (95% CI [34.25-101.07]; p < 0.001). Individuals with RHD showed greater asymmetries in contralateral matching tasks compared to LHD and controls. More specifically, the RHD group had the greatest difficulty matching tasks with their right (non-paretic) than left (paretic) hand. In order to elucidate this asymmetry in the clinic the use of complementary grasp measures may be considered.
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Affiliation(s)
- Charlie Anderson
- Department of Physical Therapy, College of Pharmacy and Health Sciences, Wayne State University, Detroit, MI, United States.
| | - Kumar Rajamani
- Department of Medicine, University Health Center, Wayne State University, United States.
| | - Victoria Pardo
- Department of Physical Therapy, College of Pharmacy and Health Sciences, Wayne State University, Detroit, MI, United States.
| | - Diane E Adamo
- Department of Physical Therapy, College of Pharmacy and Health Sciences, Wayne State University, Detroit, MI, United States; Institute of Gerontology, Detroit, MI, United States.
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143
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Alayrangues J, Torrecillos F, Jahani A, Malfait N. Error-related modulations of the sensorimotor post-movement and foreperiod beta-band activities arise from distinct neural substrates and do not reflect efferent signal processing. Neuroimage 2018; 184:10-24. [PMID: 30201465 DOI: 10.1016/j.neuroimage.2018.09.013] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2018] [Revised: 08/30/2018] [Accepted: 09/05/2018] [Indexed: 01/06/2023] Open
Abstract
While beta activity has been extensively studied in relation to voluntary movement, its role in sensorimotor adaptation remains largely uncertain. Recently, it has been shown that the post-movement beta rebound as well as beta activity during movement-preparation are modulated by movement errors. However, there are critical functional differences between pre- and post-movement beta activities. Here, we addressed two related open questions. Do the pre- and post-movement error-related modulations arise from distinct neural substrates? Do these modulations relate to efferent signals shaping muscle-activation patterns or do they reflect integration of sensory information, intervening upstream of the motor output? For this purpose, first we exploited independent component analysis (ICA) which revealed a double dissociation suggesting that distinct neural substrates are recruited in error-related beta-power modulations observed before and after movement. Second, we compared error-related beta oscillation responses observed in two bimanual reaching tasks involving similar movements but different interlimb coordination, and in which the same mechanical perturbations induced different behavioral adaptive responses. While the task difference was not reflected in the post-movement beta rebound, the pre-movement beta activity was differently modulated according to the interlimb coordination. Critically, we show an uncoupling between the behavioral and the electrophysiological responses during the movement preparation phase, which demonstrates that the error-related modulation of the foreperiod beta activity does not reflect changes in the motor output from primary motor cortex. It seems instead to relate to higher level processing of sensory afferents, essential for sensorimotor adaptation.
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Affiliation(s)
- Julie Alayrangues
- Institut de Neurosciences de la Timone, UMR7289, Aix-Marseille Université/CNRS, Marseille, France
| | - Flavie Torrecillos
- Nuffield Department of Clinical Neurosciences, John Radcliffe Hospital, University of Oxford, Oxford, UK
| | - Amirhossein Jahani
- Institut de Neurosciences de la Timone, UMR7289, Aix-Marseille Université/CNRS, Marseille, France
| | - Nicole Malfait
- Institut de Neurosciences de la Timone, UMR7289, Aix-Marseille Université/CNRS, Marseille, France.
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144
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Ben-Soussan TD, Glicksohn J. Gender-Dependent Changes in Time Production Following Quadrato Motor Training in Dyslexic and Normal Readers. Front Comput Neurosci 2018; 12:71. [PMID: 30210326 PMCID: PMC6123388 DOI: 10.3389/fncom.2018.00071] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2018] [Accepted: 08/08/2018] [Indexed: 01/12/2023] Open
Abstract
Time estimation is an important component of the ability to organize and plan sequences of actions as well as cognitive functions, both of which are known to be altered in dyslexia. While attention deficits are accompanied by short Time Productions (TPs), expert meditators have been reported to produce longer durations, and this seems to be related to their increased attentional resources. In the current study, we examined the effects of a month of Quadrato Motor Training (QMT), which is a structured sensorimotor training program that involves sequencing of motor responses based on verbal commands, on TP using a pre-post design. QMT has previously been found to enhance attention and EEG oscillatory activity, especially within the alpha range. For the current study, 29 adult Hebrew readers were recruited, of whom 10 dyslexic participants performed the QMT. The normal readers were randomly assigned to QMT (n = 9) or Verbal Training (VT, identical cognitive training with no overt motor component, and only verbal response, n = 10). Our results demonstrate that in contrast to the controls, longer TP in females was found following 1 month of intensive QMT in the dyslexic group, while the opposite trend occurred in control females. We suggest that this longer TP in the female dyslexics is related to their enhanced attention resulting from QMT. The current findings suggest that the combination of motor and mindful training, embedded in QMT, has a differential effect depending on gender and whether one is dyslexic or not. These results have implications for educational and contemplative neuroscience, emphasizing the connection between specifically-structured motor training, time estimation and attention.
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Affiliation(s)
- Tal Dotan Ben-Soussan
- Research Institute for Neuroscience, Education and Didactics, Patrizio Paoletti Foundation for Development and Communication, Assisi, Italy
| | - Joseph Glicksohn
- Department of Criminology, Bar-Ilan University, Ramat Gan, Israel
- The Leslie and Susan Gonda (Goldschmied) Multidisciplinary Brain Research Center, Bar-Ilan University, Ramat Gan, Israel
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145
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Miura A, Fujii S, Okano M, Kudo K, Nakazawa K. Upper rate limits for one-to-one auditory-motor coordination involving whole-body oscillation: a study of street dancers and non-dancers. ACTA ACUST UNITED AC 2018; 221:jeb.179457. [PMID: 29967217 DOI: 10.1242/jeb.179457] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2018] [Accepted: 06/20/2018] [Indexed: 11/20/2022]
Abstract
The capacity for auditory-motor coordination (AMC) is shared by several species, among which humans are most flexible in coordinating with tempo changes. We investigated how humans lose this tempo flexibility at their upper rate limit, and the effect of skill level on this phenomenon. Seven skilled street dancers, including a world champion, and 10 non-dancers were instructed to bend their knees according to a metronome beat in a standing position at eight constant beat frequencies (3.8-5 Hz). Although maximum frequency of movement during the task was 4.8 Hz in the non-dancers and 5.0 Hz in the dancers, the rate limit for AMC was 4.1 Hz in the non-dancers and 4.9 Hz in the dancers. These results suggest that the loss of AMC was not due to rate limit of movement execution but rather to a constraint on the AMC process. In addition, mediation analysis revealed that a kinematic bias (i.e. the extent of knee flexion during the task) causally affected the extent of phase wandering via mediating factors (e.g. the extent to which movement frequency was reduced relative to the beat frequency). These results add evidence that gravity acts as constraint on AMC involving vertical rhythmic movement.
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Affiliation(s)
- Akito Miura
- Department of Life Sciences, Graduate School of Arts and Sciences, The University of Tokyo, Tokyo 153-8902, Japan
| | - Shinya Fujii
- Faculty of Environment and Information Studies, Keio University, Kanagawa 252-0882, Japan
| | - Masahiro Okano
- Ritsumeikan Global Innovation Research Organization, Ritsumeikan University, Shiga 525-0058, Japan
| | - Kazutoshi Kudo
- Department of Life Sciences, Graduate School of Arts and Sciences, The University of Tokyo, Tokyo 153-8902, Japan.,Graduate School of Interdisciplinary Information Studies, The University of Tokyo, Tokyo 113-0033, Japan
| | - Kimitaka Nakazawa
- Department of Life Sciences, Graduate School of Arts and Sciences, The University of Tokyo, Tokyo 153-8902, Japan
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146
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Effects of Neurofeedback Training on Performing Bimanual Coordination In-phase and Anti-phase Patterns in Children with ADHD. Appl Psychophysiol Biofeedback 2018; 43:283-292. [DOI: 10.1007/s10484-018-9408-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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147
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Pixa NH, Berger A, Steinberg F, Doppelmayr M. Parietal, but Not Motor Cortex, HD-atDCS Deteriorates Learning Transfer of a Complex Bimanual Coordination Task. JOURNAL OF COGNITIVE ENHANCEMENT 2018. [DOI: 10.1007/s41465-018-0088-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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148
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Maudrich T, Kenville R, Lepsien J, Villringer A, Ragert P. Structural Neural Correlates of Physiological Mirror Activity During Isometric Contractions of Non-Dominant Hand Muscles. Sci Rep 2018; 8:9178. [PMID: 29907835 PMCID: PMC6003937 DOI: 10.1038/s41598-018-27471-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2017] [Accepted: 06/04/2018] [Indexed: 11/09/2022] Open
Abstract
Mirror Activity (MA) describes involuntarily occurring muscular activity in contralateral homologous limbs during unilateral movements. This phenomenon has not only been reported in patients with neurological disorders (i.e. Mirror Movements) but has also been observed in healthy adults referred to as physiological Mirror Activity (pMA). However, despite recent hypotheses, the underlying neural mechanisms and structural correlates of pMA still remain insufficiently described. We investigated the structural correlates of pMA during isometric contractions of hand muscles with increasing force demands on a whole-brain level by means of voxel-based morphometry (VBM) and tract-based spatial statistics (TBSS). We found significant negative correlations between individual tendencies to display pMA and grey matter volume (GMV) in the right anterior cingulate cortex (ACC) as well as fractional anisotropy (FA) of white matter (WM) tracts of left precuneus (PrC) during left (non-dominant) hand contractions. No significant structural associations for contractions of the right hand were found. Here we extend previously reported functional associations between ACC/PrC and the inhibtion of intrinsically favoured mirror-symmetrical movement tendencies to an underlying structural level. We provide novel evidence that the individual structural state of higher order motor/executive areas upstream of primary/secondary motor areas might contribute to the phenomen of pMA.
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Affiliation(s)
- Tom Maudrich
- Institute for General Kinesiology and Exercise Science, Faculty of Sport Science, University of Leipzig, Leipzig, 04109, Germany.,Department of Neurology, Max Planck Institute for Human Cognitive and Brain Sciences, Leipzig, 04103, Germany
| | - Rouven Kenville
- Institute for General Kinesiology and Exercise Science, Faculty of Sport Science, University of Leipzig, Leipzig, 04109, Germany.,Department of Neurology, Max Planck Institute for Human Cognitive and Brain Sciences, Leipzig, 04103, Germany
| | - Jöran Lepsien
- Department of Neurology, Max Planck Institute for Human Cognitive and Brain Sciences, Leipzig, 04103, Germany
| | - Arno Villringer
- Department of Neurology, Max Planck Institute for Human Cognitive and Brain Sciences, Leipzig, 04103, Germany.,Clinic for Cognitive Neurology, University of Leipzig, Leipzig, 04103, Germany.,Berlin School of Mind and Brain, Mind and Brain Institute, Berlin, 10099, Germany
| | - Patrick Ragert
- Institute for General Kinesiology and Exercise Science, Faculty of Sport Science, University of Leipzig, Leipzig, 04109, Germany. .,Department of Neurology, Max Planck Institute for Human Cognitive and Brain Sciences, Leipzig, 04103, Germany.
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149
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Afsar O, Tirnakli U, Marwan N. Recurrence Quantification Analysis at work: Quasi-periodicity based interpretation of gait force profiles for patients with Parkinson disease. Sci Rep 2018; 8:9102. [PMID: 29904070 PMCID: PMC6002406 DOI: 10.1038/s41598-018-27369-2] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2017] [Accepted: 05/21/2018] [Indexed: 11/27/2022] Open
Abstract
In this letter, making use of real gait force profiles of healthy and patient groups with Parkinson disease which have different disease severity in terms of Hoehn-Yahr stage, we calculate various heuristic complexity measures of the recurrence quantification analysis (RQA). Using this technique, we are able to evince that entropy, determinism and average diagonal line length (divergence) measures decrease (increases) with increasing disease severity. We also explain these tendencies using a theoretical model (based on the sine-circle map), so that we clearly relate them to decreasing degree of irrationality of the system as a course of gait’s nature. This enables us to interpret the dynamics of normal/pathological gait and is expected to increase further applications of this technique on gait timings, gait force profiles and combinations of them with various physiological signals.
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Affiliation(s)
- Ozgur Afsar
- Department of Physics, Faculty of Science, Ege University, 35100, Izmir, Turkey. .,Potsdam Institute for Climate Impact Research, Telegraphenberg A 31, 14473, Potsdam, Germany.
| | - Ugur Tirnakli
- Department of Physics, Faculty of Science, Ege University, 35100, Izmir, Turkey.,Centro Brasileiro de Pesquisas Fisicas, Rua Dr. Xavier Sigaud 150, 22290-180, Rio de Janeiro, RJ, Brazil
| | - Norbert Marwan
- Potsdam Institute for Climate Impact Research, Telegraphenberg A 31, 14473, Potsdam, Germany
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150
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Cooperative hand movements: effect of a reduced afference on the neural coupling mechanism. Neuroreport 2018; 29:650-654. [PMID: 29557852 DOI: 10.1097/wnr.0000000000001012] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
The aim of this study was to evaluate the influence of unilateral reduction of afferent input on the 'neural coupling' mechanism during cooperative hand movements. This 'neural coupling' is reflected in the task-specific appearance of contralateral reflex responses in forearm muscles to unilateral arm nerve stimulation. Sensory input from the right hand was reduced by ischemic nerve block at the right wrist. Ipsilateral and contralateral reflex responses elicited by stimulation of the ulnar nerve either at the left or the right wrist proximal to the nerve block were recorded in forearm extensors during the performance of cooperative hand movements. During ischemia of the right hand, a significant difference was found in the magnitude of the contralateral responses, that is, contralateral reflex responses in the right arm were significantly higher compared with the left arm (P=0.04). Ipsilateral reflex responses were not affected by ischemic nerve block. The reduced afference from the ischemic hand during cooperative hand movements is assumed to weaken the activity in ipsilateral pathways involved in the neural coupling mechanism. Consequently, a shift in the interhemispheric balance might lead to the relative increase and decrease in the contralateral responses to left and right nerve stimulation, respectively. The study provides novel information on the involvement of ipsilateral hemispheres in the performance of cooperative hand movements.
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