Fanny Lestienne

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The characteristics of muscular synergy between the main elbow flexors (biceps brachii, brachialis, brachoradialis were considered. The activities of these different muscles were recorded simultaneously with surface and wire electrodes. A quantitative analysis of the activity of each of these muscles and of their excitation levels was carried out during(More)
Hot-foot mutant mice, characterized by defective innervation of Purkinje cells and an ataxic gait, were less active than normal mice in a T-maze. In spontaneous alternation testing with either single or multiple trials, hot-foot mutants, contrary to normal mice, did not alternate above chance. Moreover, the mutants had a higher number of errors and higher(More)
In these experiments we studied the organization of the neural pattern of activity underlying the achievement and maintenance of final limb position. The examination of the alpha motoneuronal inputs to flexors and extensors acting on the elbow and wrist joints revealed that a change from one posture to another required a modulation of both flexors and(More)
The role of the substantia nigra pars reticulata (SNpr) has been studied in the head-free monkey during orienting behaviour in response to visual instruction signals triggering head positioning and conditioned arm movement. During the behavioural responses we recorded the electromyographic activities of neck muscles and triceps brachii, head movement,(More)