Abstract

Little is known about the role of the attentional, motor and non-planning impulsivities in motor timing tasks. The aim of this study was to correlate the motor performance in a motor timing task with the performance in neuropsychological tests of twenty two volunteers. Before the execution of the motor task, participant wore a headphone and heard five times each temporal reference (2,500 and 3,500 msec) that consisted of two “bips”. After, the motor timing task was performed in five trials of each temporal reference. The task consisted in transporting tennis balls in a pre-defined sequence in each criterion time. It was evaluated: reaction time, movement time, constant error and absolute error. The neuropsychological tests IGT and CPT-II were applied to the evaluation of impulsivities. The findings indicated that attentional impulsivity was more related to the motor performance than the motor and non- planning impulsivities.

Highlights

  • Correlation between impulsivity dimensions and the control in a motor timing task Abstract: Little is known about the role of the attentional, motor and non-planning impulsivities in motor timing tasks

  • The motor timing task was performed in five trials of each temporal reference

  • The task consisted in transporting tennis balls in a pre-defined sequence in each criterion time

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Summary

Instrumentos e tarefa

A avaliação da impulsividade por meio de testes neuropsicológicos foi realizada conforme proposto por Malloy-Diniz, Fuentes, Leite, Corrêa e Bechara (2007). Este teste fornece medidas sobre erros de ação (o sujeito pressiona a barra mediante a letra x), omissão (o sujeito não pressiona a barra quando vê uma determinada letra) e tempo de reação (para mais detalhes, veja em Conners et al, 2003). O escore final do IGT foi utilizado neste estudo para medir a impulsividade por falta de planejamento (Lage, Gallo, et al, 2011; Lage, Malloy-Diniz, et al, 2011; Lage, et al, no prelo; Malloy-Diniz, et al, 2007). Os participantes tiveram duas metas temporais de execução, sendo executado um bloco de 5 tentativas de uma condição rápida a 2.500 ms. A coleta de dados foi realizada individualmente em uma sala e a ordem de realização dos testes neuropsicológicos e tarefa motora foi contrabalançada entre os participantes.

Medidas e análises
Erro absoluto

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