Title |
Anticipating the course of an action: evidence from corticospinal excitability
|
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Published in |
BMC Neuroscience, August 2013
|
DOI | 10.1186/1471-2202-14-91 |
Pubmed ID | |
Authors |
Mattia Marangon, Giulia Bucchioni, Stefano Massacesi, Umberto Castiello |
Abstract |
Anticipatory planning, the ability to anticipate future perceptual-motor demands of a goal-oriented action sequence, is essential for flexible, purposeful behavior. Once an action goal has been defined, movement details necessary to achieve that goal can be selected. Here, we investigate if anticipatory planning takes place even when multi-step actions are being carried out. How, we may ask, are the cerebral circuits involved in movement selection influenced by anticipated object-center task demands? Transcranial magnetic stimulation (TMS) was used to investigate how changes in corticospinal excitability (CSE) are dependent on anticipated task variables of intended future actions. Specifically, single- and paired-pulse TMS was used to evaluate corticospinal excitability during the action selection phase preparatory to grasp execution. |
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