Fabiano de Souza Fonseca

Extensive practice improves adaptation to unpredictable perturbations in a sequential coincident timing task

Extensive practice is associated with a higher level of learning than practice until performance stabilization. This is partially attributable to the changes in the variability of the structure that control the motor skill that occur during practice. However, because both conditions result in performance stabilization, the error in the task performance does not decrease further, and it is necessary to introduce higher demands (e.g., unpredictable perturbations) into the task for differences between the two conditions to arise. This study aimed to investigate whether extensive practice contributes to adaptation to unpredictable perturbations in a sequential motor skill task as compared to practice until performance stabilization. Thirty-four self-reported right handed young adults performed a sequential coincident timing task and were assigned to two groups during the first phase of experiment: the stabilization group (SG) or the extensive practice group (EG), which differs with respect to the quantity of practice. In the second phase, both groups performed under equal conditions and the subjects practiced the same task performed in the first phase, but unpredictable changes in the velocity of the visual stimulus were occasionally introduced. The results suggest that extensive practice improves adaptation to unpredictable perturbations better than practice until performance stabilization and indicates that the motor learning process continues after performance stabilization.

Comparação do tempo de reação entre atletas de Basquetebol, Ginástica Artística e não atletas

The purpose of this study was to compare the reaction time between Basketball players (group Basketball), Artistic Gymnastics (Gymnastics group) and non-athletes (control group). The subjects were evaluated in simple and choice reaction time through the instrument MULTPSY 821 and Viena Test System, respectively. The results showed only significant difference between groups in the measure of simple reaction time. The control group showed higher reaction time compared to other groups. These findings indicate that the practice of Basketball and Artistic Gymnastics can improve the reaction time which is a perceptual ability needed in daily living activities.

Efeitos do posicionamento e quantidade de prática mental na aprendizagem do arremesso do dardo de salão

Mental practice seems to contribute to the motor learning process but it is still not clear the effects of position and amount of mental practice in relation to physical practice, which was the aim of this study. Seventy two undergraduate students of both sexes and novice in the task were assigned in six groups of combined practice (physical and mental) for learning the dart saloon throwing. In acquisition phase, subjects performed 50 trials of physical practice and 18, 90 or 180 trials of mental practice (according to each experimental group) before or after physical practice. Ten minutes after acquisition phase it was performed retention and transfer tests. The results showed that amount and the position of mental practice did not influence dart saloon throwing learning.

Comparison of reaction time between Basketball players, Artistic Gymnasts and non-athletes

The purpose of this study was to compare the reaction time between Basketball players (group Basketball), Artistic Gymnastics (Gymnastics group) and non-athletes (control group). The subjects were evaluated in simple and choice reaction time through the instrument MULTPSY 821 and Viena Test System, respectively. The results showed only significant difference between groups in the measure of simple reaction time. The control group showed higher reaction time compared to other groups. These findings indicate that the practice of Basketball and Artistic Gymnastics can improve the reaction time which is a perceptual ability needed in daily living activities.

Comparación de tiempo de reacción entre los atletas de Baloncesto, Gimnasia Artística y no atletas

The purpose of this study was to compare the reaction time between Basketball players (group Basketball), Artistic Gymnastics (Gymnastics group) and non-athletes (control group). The subjects were evaluated in simple and choice reaction time through the instrument MULTPSY 821 and Viena Test System, respectively. The results showed only significant difference between groups in the measure of simple reaction time. The control group showed higher reaction time compared to other groups. These findings indicate that the practice of Basketball and Artistic Gymnastics can improve the reaction time which is a perceptual ability needed in daily living activities.

Efectos de la fijación de metas para la adquisición de habilidades motoras

The present study investigated the effects of short and long-term goal setting in the learning of saloon dart throwing. The experiment was conducted in three stages: pretest (10 trials), acquisition (60 trials), with manipulation of the temporality of the goal, and post-test (10 trials). The 33 right-handed university students were divided into three groups: specific short-term goal (GEC), specific long-term goal (GEL) and no-goal (GNM). In the analysis of accuracy and consistency the two way ANOVA identified significant effect between pretest and post-test and between acquisition blocks as well. Although all the groups have learned the task, there was no difference between them. It is suggested further researches on the subject.

Efeitos do estabelecimento de metas para a aquisição de uma habilidade motora

The present study investigated the effects of short and long-term goal setting in the learning of saloon dart throwing. The experiment was conducted in three stages: pretest (10 trials), acquisition (60 trials), with manipulation of the temporality of the goal, and post-test (10 trials). The 33 right-handed university students were divided into three groups: specific short-term goal (GEC), specific long-term goal (GEL) and no-goal (GNM). In the analysis of accuracy and consistency the two way ANOVA identified significant effect between pretest and post-test and between acquisition blocks as well. Although all the groups have learned the task, there was no difference between them. It is suggested further researches on the subject.

Effects of goal setting for the acquisition of motor skills

The present study investigated the effects of short and long-term goal setting in the learning of saloon dart throwing. The experiment was conducted in three stages: pretest (10 trials), acquisition (60 trials), with manipulation of the temporality of the goal, and post-test (10 trials). The 33 right-handed university students were divided into three groups: specific short-term goal (GEC), specific long-term goal (GEL) and no-goal (GNM). In the analysis of accuracy and consistency the two way ANOVA identified significant effect between pretest and post-test and between acquisition blocks as well. Although all the groups have learned the task, there was no difference between them. It is suggested further researches on the subject.