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Academic literature on the topic 'Activité sensorimotrice'
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Journal articles on the topic "Activité sensorimotrice"
Hatwell, Yvette, and Catherine Cazals. "Conflit visuo-tactilo-kinesthésique et activité sensorimotrice manuelle." L'année psychologique 88, no. 1 (1988): 7–29. http://dx.doi.org/10.3406/psy.1988.29248.
Full textMayston, Margaret J., Gillian M. Saloojee, and Sarah E. Foley. "Le cadre de raisonnement clinique Bobath: un modèle de science des systèmes pour aborder la complexité des troubles neurodéveloppementaux, y compris la paralysie cérébrale." Developmental Medicine & Child Neurology, February 13, 2024. http://dx.doi.org/10.1111/dmcn.15866.
Full textDissertations / Theses on the topic "Activité sensorimotrice"
Jaffard, Magali. "Etude comportementale et neurofonctionnelle des effets de la présentation d'un signal avertisseur en temps de réaction simple : alerte ou contrôle inhibiteur des automatismes visuomoteurs ?" Poitiers, 2007. http://www.theses.fr/2007POIT5043.
Full textQuestions about attention are usually addressed by cueing tasks assessing whether knowledge of stimulus related information provided in advance will improve target processing. Most current interpretations suggest that a warning stimulus provokes an alerting of the organism resulting in a faster processing of either the sensory of the motor aspects of the task. However, as shown in chapter III, warning signals trigger automatic motor activations (observed on EMG) which are likely to cause false alarms. Chapter IV provides converging behavioral and fMRI evidences that classical cueing methods entail competing processes of automatic motor activation triggered by the cue and proactive response inhibition intended to counteract these automatic responses to the cue. It is concluded that some classical protocols generally used in attention research are likely to be biased and to reveal behavioural effects that are not attentional in origin. The paradoxical warning signal effect (proactive inhibition) was found to be mediated by the medial prefrontal cortex and the inferior parietal lobule, which is consistent with a role in volitional inhibition (chapter V). This inhibition would act on motor structures which are critical for connecting the basal ganglia and appealing the neuronal processes underlying movement initiation (M1, SMA, putamen). This premotor hypotesis was further reinforced in chapter VI by the electroencephalographic analysis of this effect. It is concluded that strong interactions (even confusions) are observed within attentional, sensorimotor and executive functions
Jacquin-Courtois, Sophie. "Plasticité sensorimotrice et cognition spatiale : généralisation des effets consécutifs de l’adaptation prismatique." Thesis, Lyon 1, 2010. http://www.theses.fr/2010LYO10209.
Full textAdaptation of motor functions allows optimization of interactions with environment and its alterations. One major question concerns specificity of implemented modifications. Classical data about visuo-manual adaptation to prisms reveal generalization of adaptation to non learned spatial locations, but a very poor transfer to others motor effectors. By contrast, therapeutic results obtained in neglect patients since 12 years suggest that visuo-manual adaptation could produce effects at various levels affected by neglect. This apparent opposition raises the question of validity of pathologic model to explore sensori-motor adaptation, and one way to answer is to explore effects of prism adaptation on disturbed functions by neglect in normal subject. These three sections of review bring out complementary lightings about question of adaptations generalization. By underlying generalization of after-effects of prism adaptation, in particular at a transmodal level, non implicated in adaptative procedure per se, these results bring some relevant arguments in terms of level of action and implicated networks organization, suggesting a restructuring effect on high level spatial representations, allowing to enlarge orientation of rehabilitative strategies. These results bring out a dynamic activation of functions and networks linked to multisensory integration, appropriate to spatial representations
Dupuis, Orlane. "Altérations de la fonction motrice induites par une restriction sensorimotrice précoce chez le rat : implication du dialogue muscle-cerveau." Electronic Thesis or Diss., Université de Lille (2022-....), 2024. http://www.theses.fr/2024ULILS106.
Full textChildhood is a period of construction of the organism, during which interactions with the environment and regular physical activity are necessary for the maturation of neuronal networks. Thus, a constant dialogue between muscle and brain ensures the harmonious development of motor functions. However, atypical sensorimotor activity (whether due to lack of physical activity, neurodevelopmental disorders or pathological situations such as prolonged bed rest) disrupts the muscle-brain dialogue and a deleterious and self-perpetuating cycle is established: atypical sensorimotor activity generates abnormal/atypical movements which induce atypical somatosensory feedback to the immature central nervous system. This leads to disorganization of sensorimotor circuits and motor control is altered. Muscle properties are affected, which impacts movement and reinforces the production of abnormal movements. All of these elements could ultimately affect the child's future life. However, the consequences of atypical sensorimotor activity on the development of the neuromuscular system remain fragmentary to date and deserve special interest.The main objective of this thesis is to improve our understanding of the effects of sensorimotor restriction (SMR) on muscle-brain dialogue. To address this issue, studies were carried out using an animal model of SMR, which consists of immobilizing hindlimbs of the pups from postnatal day 1 (PND1) to PND28. This model reproduces a motor phenotype close to that described in patients with developmental coordination disorder (long-lasting musculoskeletal changes, locomotor deficits, spinal hyperreflexia, etc.).A first study focused on the effects of SMR on the maturation of the neuromuscular system through analysis of neurodevelopmental reflexes which are closely related on muscle development and are also reliable indicators of neurological and behavioral development. In addition to the sensorimotor neuronal pathway, muscle and brain also communicate via the endocrine pathway, especially through myokines, molecules secreted by skeletal muscles in response to physical activity. Among these myokines, interest has focused on irisin and its precursor (FNDC5). Irisin is considered to be a true mediator of the beneficial effects of exercise in the central nervous system, where it notably induces BDNF expression. Thus, in a second study, we quantified myokines (irisin) levels in muscle dans brain. Finally, we wanted to determine whether early RSM (from P1 to P28) could have long-term functional effects (P60-P90).These studies demonstrate that SMR induces 1) a decrease in body weight and atrophy of hindlimb muscles, preferentially affecting the soleus; 2) a delay in motor development and in the appearance of the main neurodevelopmental reflexes; 3) an increase in FNDC5/irisin in soleus, plasma and some brain structures, without any change for BDNF and 4) long-term effects including motor performance impairment.Thus, SMR and weak interactions with the environment during development lead to impaired maturation of neuromuscular system. The increase in FNDC5/irisin in the soleus suggests the existence of an adaptive mechanism that could reduce impact of SMR. Finally, the effects of SMR at P60-P90 support the idea that there are critical, “programming” periods, during which negative factors such as physical inactivity can lead to short- and long-term consequences
Guilbert, Jessica. "L’ intégration sensorielle dans le développement de l’imagerie motrice chez les enfants." Caen, 2014. http://www.theses.fr/2014CAEN1022.
Full textThese last years, numerous studies have suggested that motor imagery development is intimately related to the unfolding ability to generate and monitor internal models of action involved in feedforward control. Improvement of feedforward control during childhood is intimately related to the ability to integrate sensorimotor information (especially visual and proprioceptive) in order to control motor actions. The aim of this work is to evaluate whether motor imagery is also related to sensorimotor integration. The main goal the present researches is to determine to which extent motor imagery ability varies according to sensory information related to the simulated action. In order to reach this goal, four experiments were conducted in 5-, 7- and 9 year-old children. A mental chronometry paradigm was used in a situation based on a walking task. The main results show that the ability to evoke proprioceptive consequences of one’s own action emerges at approximately 7 years of age, because of the improvement of proprioceptive acuity. Before 7 years of age, children rely on other sensory modalities (visual and/or auditory) to generate a simulated action of their own displacement. In 7 and 9 year-old children, motor imagery can involve the use of different modalities not only proprioceptive but also visual and/or auditory. Taken together, results suggest that motor imagery development is related to the ability of children to process and use sensory information required for the planning and controlling of actions. Our data are important for motor rehabilitation since the use of sensory information could help to improve motor imagery ability in children
Tcaci, Popescu Sergiu. "The role of spontaneous movements in spatial orientation and navigation." Thesis, Paris Sciences et Lettres (ComUE), 2018. http://www.theses.fr/2018PSLEH005/document.
Full textPeople produce spontaneous movements during spatial reasoning tasks. Do they relate to task performance? We investigated the role of spontaneous movements in spatial orientation using spatial perspective-taking (SPT) tasks where participants adopted imaginary perspectives. We focused on imaginary perspectives requiring mental rotations of the self as they are particularly difficult and greatly facilitated by active movement in the absence of vision. Motor contribution to task performance could result from a predictive mechanism, which anticipates the consequences of an action before its execution, such as an internal forward model (Wolpert & Flanagan, 2001), further inhibiting full rotations of the head. Observed movements may be visible traces of this process. Using motion capture, we showed that head movements are geometrically related to SPT: both the direction and amplitude of head rotations were related to the direction and angle between the actual and imagined perspectives (Exp. 1). In air traffic controllers and apprentices, only the direction of head rotation was related to SPT, probably reflecting spatial expertise and its crucial role in mental rotation (Exp. 2). In a virtual environment, spontaneous head rotations were related to increased performance. However voluntary rotations, emulating the spontaneously produced ones, did not facilitate navigation performance (Exp. 3), but hindered it when inconsistent with the direction of virtual rotation. Overall, our findings suggest a specific motor contribution to spatial orientation consistent with motor prediction
Atchy-Dalama, Patrice. "Approche dynamique de l'apprentissage : pratique variable et rôle des informations sensorielles." Toulouse 3, 2005. http://www.theses.fr/2005TOU30168.
Full textIn general, the process of learning implies that a pattern to-be-learned is integrated into an initial repertory. To gain further insight into this problematic of integration, we have developed two lines of research. The first one identifies the principles underlying the learning of several bimanual coordination patterns. Thus, we studied the evolution of the repertory due to such variable practice. We observed that the repertory constraints and structures the learning process following a symmetry conservation principle. The second axe concerns the mechanisms underlying the integration of a new coordination pattern. We studied the relation between the sensory consequences, the motor commands and the to-be-learned pattern. By an original used of the degree of asymmetry between the coordinated limbs, we showed that regardless of the motor outflow command, leaning is based on the sensory consequences related to the pattern to be learned. Set at two distinct levels of analysis (principle and mechanism), this two experiments are discussed from a dynamical systems perspective
Murian, Alexandre. "Rôle de contraintes neuromusculaires sur le contrôle volontaire des coordinations sensorimotrices et la demande attentionnelle associée." Nantes, 2007. http://www.theses.fr/2007NANT2038.
Full textWithin the framework of dynamical approach to motor coordination, the purpose of this work was to acknowledge and understand the contribution of neuromuscular constraints (resistance, load and/or fatigue) on the voluntary control of sensorimotor coordination and attentional demands. To this aim, our first study has shown that the positive effect of intentional instructions on the stability of bimanual coordination was time-limited. This result suggested a possible depletion of attentional resources with time. Thus, our second study tested more precisely the influence of resistance to motion on the coordination stability and the concomitant attentional demands as a function of trial duration (300 s). Our results do not confirm the hypothesis of attentional depletion but suggest adaptations mainly occurred at a peripheral level. The influence of an exhausting exercise prior to bimanual coordination performance (third study) seems to support the hypothesis of neuromuscular adaptations. Besides, in an unimanual pointing task, a fourth study revealed similar results: a degradation of motor performance with fatigue and load condition without additional attentional demands. Nevertheless, complementary analyses of the electromyographic activity (sEMG) recorded during these studies demonstrate a compensating activity of the central nervous system necessary for the production and the control of movement, but these adaptations were not paralleled by a higher attentional cost
Meckler, Cédric. "Supervision proactive et réactive de l'action dans les activités sensorimotrices chez l'homme : études comportementales et électrophysiologiques." Aix-Marseille 1, 2010. http://theses.univ-amu.fr.lama.univ-amu.fr/2010AIX11024.pdf.
Full textUnder time pressure, action monitoring is composed of at least two distinct mechanisms: a proactive one, and a reactive one, taking place before and after response execution onset. Using behavioral and electrophysiological analyses, we tried to better understand those two mechanisms. An Event-Related Potential evoked by the response and sensitive to its quality, appears to be the electrical signature of the reactive mechanism of a supervisory system. In a first study, we attempted to validate the idea that this system is based on the confidence level attributed to the procedure of the information processing stream leading to the ongoing response. The two following studies indicate that its competence applies to parameters other than the effector. Continuous parameters such as response force and response duration also seem to be monitored. Involved in event monitoring as well as in time monitoring, this system is, therefore, generic. The supervisory system also acts proactively: by inhibiting the primary motor cortex involved in the incorrect response, it seems to implement error prevention processes. We evidenced a direct relationship between error risk and inhibition strength. Our results fit with the idea that the supervisory system acts in two steps: a proactive supervision process would allow avoiding error commission and, in case of failure of this preventive process, a reactive supervision process would allow detecting errors and, sometimes, would allow correcting them before they are committed
Meugnot, Aurore. "Immobilisation de courte durée d'un membre et Imagerie motrice." Thesis, Poitiers, 2014. http://www.theses.fr/2014POIT5010/document.
Full textThe present thesis focused on the effects of short-term limb immobilization on the cognitive level of action control. Especially, we examined the influence of short-term upper-limb immobilization (right or left-hand) on the mental representation of action. To this aim, an implicit motor imagery task (mental rotation of body-stimuli) was used, assuming similar processes between motor simulation and motor execution. Results showed that physical inactivity affects the cognitive processing of action. Short-term upper-limb immobilization impaired the ability to mentally represent action. The immobilization-induced effects (switch from a motor to a visual imagery strategy, inte-limb transfer…) may vary from one individual to another, and may depend on the constraints of the implicit imagery task or with the period of immobilization (24h vs. 48h). A second aim of this thesis was to examine the potential of explicit motor imagery to reactivate the sensorimotor system after the period of sensorimotor restriction. We showed that kinesthetic imagery practice during the period of immobilization can counteract the functional impairment induced by sensorimotor restriction
Books on the topic "Activité sensorimotrice"
P, Piek Jan, ed. Motor behavior and human skill: A multidisciplinary approach. Champaign, IL: Human Kinetics, 1998.
Find full textKranowitz, Carol Stock. The Out-of-Sync Child Has Fun. New York: Penguin Group USA, Inc., 2008.
Find full textTakao, Kumazawa, Kruger Lawrence, and Mizumura Kazue, eds. The polymodal receptor: A gateway to pathological pain. Amsterdam: Elsevier, 1996.
Find full textWylie, T. J., and Carol Stock Kranowitz. The Out-of-Sync Child has fun. Perigee Trade, 2003.
Find full textThe out-of-sync child has fun: Activities for kids with sensory integration dysfunction. New York: Berkley Pub. Group, 2003.
Find full textThe out-of-sync child has fun: Activities for kids with sensory processing disorder. 2nd ed. New York, N.Y: Perigee Book, 2006.
Find full textStelmach, George E. Information Processing in Motor Control and Learning. Elsevier Science & Technology Books, 2014.
Find full text(Editor), T. Kumazawa, L. Kruger (Editor), and K. Mizumura (Editor), eds. The Polymodal Receptor - A Gateway to Pathological Pain (Progress in Brain Research). Elsevier Science, 1996.
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