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In many activities, the human being must quickly decide on the response to be produced following a change in the environment. In some of these situations, the limb that the individual chooses to carry out a response seems to be a significant element in performance. Thus, if the individual carries out the response with the limb closest to the target, the(More)
McLeod (1980) reported some findings which showed that no phase of a movement was more attention-demanding than the other phases, contrary to all the results previously reported (e.g., Ells, 1973; Glencross, 1980). However, McLeod used a paradigm in which the two tasks were serial. Each task consisted of a series of 50 reaction time (RT) trials and/or 50(More)
Results from two series of studies on decision strategies suggested that subjects appeared to chose between two response modes. Subjects could use a decision strategy based either on anticipatory responses or on reaction responses. It appeared that certain characteristics specific to the task could be responsible for the discrepancy in the response mode.(More)
A double approach was used to study high jumping: attention demands and biomechanic. The main goal was to determine if the methodology used to measure the attention demands did interfere with high jumping performance. Two sub-goals were also aimed: (a) to find the main characteristics of the attention demands of high jumping; (b) to find the main kinetic(More)
The purpose of the present study was to evaluate the quality of a motor response for different levels of expectancy and time constraint, in a two-choice coincidence-anticipation task. The probability of each of the two events likely to be presented were varied across different levels as well as the speed of the stimulus to be intercepted. The results(More)
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