Event-Related Brain Potentials for Goal-Related Power Grips

Westerholz J, Schack T, Koester D (2013)
PLoS ONE 8(7).

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Journal Article | Published | English
Abstract
Recent research has shown that neurophysiological activation during action planning depends on the orientation to initial or final action goals for precision grips. However, the neural signature for a distinct class of grasping, power grips, is still unknown. The aim of the present study was to differentiate between cerebral activity, by means of event-related potentials (ERPs), and its temporal organization during power grips executed with an emphasis on either the initial or final parts of movement sequences. In a grasp and transportation task, visual cues emphasized either the grip (the immediate goal) or the target location (the final goal). ERPs differed between immediate and final goal-cued conditions, suggesting different means of operation dependent on goal-relatedness. Differences in mean amplitude occurred earlier for power grips than for recently reported precision grips time-locked to grasping over parieto-occipital areas. Time-locked to final object placement, differences occurred within a similar time window for power and precision grips over frontal areas. These results suggest that a parieto-frontal network of activation is of crucial importance for grasp planning and execution. Our results indicate that power grip preparation and execution for goal-related actions are controlled by similar neural mechanisms as have been observed during precision grips, but with a distinct temporal pattern.
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Article Processing Charge funded by the Deutsche Forschungsgemeinschaft and the Open Access Publication Fund of Bielefeld University.
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Westerholz J, Schack T, Koester D. Event-Related Brain Potentials for Goal-Related Power Grips. PLoS ONE. 2013;8(7).
Westerholz, J., Schack, T., & Koester, D. (2013). Event-Related Brain Potentials for Goal-Related Power Grips. PLoS ONE, 8(7).
Westerholz, J., Schack, T., and Koester, D. (2013). Event-Related Brain Potentials for Goal-Related Power Grips. PLoS ONE 8.
Westerholz, J., Schack, T., & Koester, D., 2013. Event-Related Brain Potentials for Goal-Related Power Grips. PLoS ONE, 8(7).
J. Westerholz, T. Schack, and D. Koester, “Event-Related Brain Potentials for Goal-Related Power Grips”, PLoS ONE, vol. 8, 2013.
Westerholz, J., Schack, T., Koester, D.: Event-Related Brain Potentials for Goal-Related Power Grips. PLoS ONE. 8, (2013).
Westerholz, Jan, Schack, Thomas, and Koester, Dirk. “Event-Related Brain Potentials for Goal-Related Power Grips”. PLoS ONE 8.7 (2013).
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Habitual vs non-habitual manual actions: an ERP study on overt movement execution.
Westerholz J, Schack T, Schutz C, Koester D., PLoS ONE 9(4), 2014
PMID: 24691654

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