Coordinating actions

The Quarterly Journal of Experimental Psychology. A, Human Experimental Psychology
P Haggard

Abstract

The motor system composes complex actions by combining simpler submovements. This presumably involves sharing information about the progress of one submovement with the centres controlling another submovement, to ensure that the second happens in an appropriate relation to the first. This process is called coordination. In this paper I discuss evidence that coordinating actions indeed involves an active process of sharing information about the current state of movements. Coordination appears to be qualitatively different from the process of reacting to external stimuli. This may reflect the importance of predictive representations in coordination. Finally, the processes underlying coordination appear to be organized in a response-specific fashion, as a number of relatively independent circuits. The development and tuning of these circuits may, in part, be what makes an action "skilled".

References

May 1, 1968·Journal of Experimental Psychology·S W Keele, M I Posner
Jul 1, 1982·Acta Psychologica·D E Broadbent
Jan 1, 1995·Experimental Brain Research·P Haggard, A Wing
Apr 1, 1995·Journal of Neurology, Neurosurgery, and Psychiatry·P HaggardJ Stein
Jun 17, 1999·Perception & Psychophysics·R Azuma, P Haggard
Sep 1, 1993·Journal of Motor Behavior·R C MiallJ F Stein

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