To study the effects of physical stimulation based on walking exercises, equilibrium and endurance cognitive function efficiency in patients with dementia.Randomized controlled trial including 31 subjects suffering from dementia (age: 81.8 +/- 5.3 years). The intervention group (n = 16) benefited a 15-week activity programme involving three 1-hour sessions per week. control 15) did not practice any activities. Before after rehabilitation, all were evaluated Rapid Evaluation Cognitive...

Abstract This study examined how imagery ability could affect motor improvement following training in tennis. Skilled tennis players were divided into 3 groups with regard to their MIQ scores (good imager, poor and control group). During a pre‐test, participants physically performed 15 service returns toward target. The period was included during physical for sessions, each session consisted of 2 series imagined trials trials. Some the required use internal visual imager groups) while others...

We examined the effects of a brief period limb immobilization on cognitive level action control. A splint placed participants' left hand was used as means immobilization. mental rotation task to investigate immobilization-induced motor imagery performance (Experiments 1 and 2) number whether are also found when visual is involved (Experiment 2). vary function individuals' vividness The immobilized participants performed tasks before immediately after removal. control group did not undergo...

The perception of a human actor performing movements may involve processes related to action execution. This resonance the motor system support observational learning and imitation, could also explain fact that observers'/actors' are disturbed by observation model making different (Kilner et al., 2003). In this study, we tried specify what information available in model's behaviour triggers influence on an observer's behaviour. two experiments, had participants make horizontal or vertical...

In 2 experiments, the authors investigated a potential interaction involving processing of concurrent feedback using design features from specificity practice literature and terminal manipulation guidance hypothesis literature. Experiment 1, participants produced (198 trials) flexion-extension movements to reproduce specific pattern displacement over time with or without vision limb position 100% 33% knowledge results (KR) frequency. The transfer test was performed KR. 2, assessed whether...

We investigated the embodied nature of motor imagery processes through a recent use-dependent plasticity approach, short-term limb immobilization paradigm. A splint placed on participants' left-hand during brief period 24 h was used for immobilization. The immobilized participants performed two mental rotation tasks (a hand task and number task) before (pre-test) immediately after (post-test) removal. control group did not undergo procedure. main results showed an immobilization-induced...

Objectives: Imagery ability is a variable influencing the effectiveness of imagery practice that can be estimated by means questionnaires. Among them, Movement Questionnaire-Revised, translated and validated in French, widely used French speakers. However, it does not allow for distinction between two visual perspectives (internal vs. external). The Questionnaire-3 has been recently proposed English literature to differentiate ease performing internal visual, external kinesthetic imagery....

Physical activity has beneficial effects on executive functions and episodic memory, two processes affected by aging. These benefits seem to depend the type of memory task, but only a few studies have evaluated them despite their importance in understanding This study aimed confirm that physical older adults vary according resources required comparing free recall cued recall. Thirty-seven young 37 performed tasks an updating task. The groups had similar level over preceding 12 months,...

Abstract In the present study, we examine specifically how sensory conditions available during physical practice of a task might influence subsequent use motor imagery. First, as pre-test, participants had to physically reproduce knee joint positions with or without vision. Second, they practised imagery (15 and 150 trials) visual, kinaesthetic visuo-kinaesthetic A control group no was included. Post-tests were then performed 10 min 24 h after each session in condition similar that used...

The ideomotor principle predicts that the anticipation of expected sensory consequences precedes and controls voluntary goal-directed movements. Recent studies have revealed an mechanism could also support link between finger movements number processing. However, it is unknown whether such a devoted to processing per se, is, without associated movement. In three experiments, we tested was involved in verbal production task motor dimensions. We this hypothesis response-effect (R-E) paradigm...

The present study aimed to investigate whether well-established associations between action and language can be altered by short-term upper limb immobilization. dominant arm of right-handed participants was immobilized for 24 hours with a rigid splint fixed on the hand an immobilization vest restraining shoulder, arm, forearm. control group did not undergo such In 2 experiments, had judge verb involved movements hands or feet. Experiment 1, response times controls were shorter hand-action...

The authors investigated whether the salience of dynamic visual information in a video-aiming task mediates specificity practice. Thirty participants practiced movements full-vision, weak-vision, or target-only condition before being transferred to without knowledge results. full- and weak-vision conditions resulted less endpoint bias variability acquisition than did condition. Going from transfer large increase for full-vision group but not groups. Kinematic analysis revealed that weak cues...

In the present experiment, we examined whether short-term upper-limb immobilization would selectively affect representation of immobilized limb (using a hand laterality task) or effect extend to another body part foot task). A rigid splint placed on participants’ left was used for immobilization. control group did not undergo procedure. We compared performances and tasks before (T 1 ) after 2 48-hour delay, corresponding period. For controls, response time analysis indicated benefit task...

Abstract Aging is marked by a memory decline related to an executive function decline. Physical activity (PA) has beneficial effects on both functions and memory, especially in aging. The protective of PA these two cognitive abilities have always been studied separately, despite the well-established relationship between functions. Our objective was explore whether benefits could be explained reduced age-related changes Nineteen young adults (27.16 years old) 25 older (69.64 performed...

We examined the similarities between actual and motor imagery practice with regard to development of sensorimotor representations. Participants had reproduce knee joint positions (15 or 150 trials) in visuo-proprioceptive proprioceptive conditions (Experiment 1) visual, 2), before being transferred a condition. A familiarization session condition was performed only 2). Results showed that effect vision withdrawal varied according practice: performance accuracy transfer decreased after while...

Sensory loss involves irreversible behavioral and neural changes. Paradigms of short-term limb immobilization mimic deprivation proprioceptive inputs motor commands, which occur after the use. While several studies have shown that induced control impairments, origin such modifications is an open question. A Fitts' pointing task was conducted, kinematic analyses were performed to assess whether feedforward and/or feedback processes impacted. The specifically required dealing with spatial...