Freqüência, precisão e localização temporal de conhecimento de resultados e o processo adaptativo na aquisição de uma habilidade motora de controle da força manual.

 

Go Tani*

Cássio M. Meira Jr.

Fábio R. F. Gomes

 

Universidade de São Paulo, Escola de Educação Física e Esporte, Brasil.

 

RESUMO

No processo de aquisição de habilidades motoras, importa tanto a estabilização funcional, como a capacidade de aplicação do que foi adquirido a novas situações, caracterizando um processo cíclico e dinâmico de instabilidade-estabilidade-instabilidade, que resulta em crescente complexidade. O presente estudo investigou a variável conhecimento de resultados (CR) no processo adaptativo em aprendizagem motora. De acordo com os resultados, regimes de CR menos freqüentes, menos precisos e com atividade no intervalo pós-CR (fatores de instabilidade, incerteza e desordem) não prejudicaram o processo adaptativo de aquisição de uma habilidade motora de controle de força manual.

Palavras-chave: conhecimento de resultados (CR), controle de força, processo adaptativo, aquisição de habilidades motoras, aprendizagem motora.

 

ABSTRACT

Frequency, precision and temporal localization of knowledge of results and the adaptive process in the acquisition of a manual force control skill.

In motor skill acquisition, not only functional stability is important, but also the capability of applying what was acquired to new contexts; this characterises a cyclic and dynamic process of instability-stability-instability, which results in increasing complexity. This study aimed to investigate the role of knowledge of results (KR) in motor learning viewed as an adaptive process. According to the results, KR regimes of low frequency and precision, and with interpolated activity on post-KR interval (factors of instability, uncertainty and disorder) were not prejudicial to adaptive process in acquiring a manual force control motor task.

Key Words: knowledge of results (KR), feedback, force control, adaptive process, motor skill acquisition, motor learning.

 

 

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CORRESPONDÊNCIA

Go Tani*

Escola de Educação Física e Esporte

Universidade de São Paulo

Av. Prof. Mello Moraes, 65 - São Paulo/SP

05508-900 Brasil

gotani@usp.br