Similar cerebral motor plans for real and virtual actions.

A simple movement, such as pressing a button, can acquire different meanings by producing different consequences, such as starting an elevator or switching a TV channel. We evaluated whether the brain activity preceding a simple action is modulated by the expected consequences of the action itself....

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Autores principales:	Chiara Bozzacchi, Maria Assunta Giusti, Sabrina Pitzalis, Donatella Spinelli, Francesco Di Russo
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2012
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/cc092936b5ca4ac4b31439ee45857465
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spelling	oai:doaj.org-article:cc092936b5ca4ac4b31439ee458574652021-11-18T08:11:10ZSimilar cerebral motor plans for real and virtual actions.1932-620310.1371/journal.pone.0047783https://doaj.org/article/cc092936b5ca4ac4b31439ee458574652012-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/23112847/pdf/?tool=EBIhttps://doaj.org/toc/1932-6203A simple movement, such as pressing a button, can acquire different meanings by producing different consequences, such as starting an elevator or switching a TV channel. We evaluated whether the brain activity preceding a simple action is modulated by the expected consequences of the action itself. To further this aim, the motor-related cortical potentials were compared during two key-press actions that were identical from the kinematics point of view but different in both meaning and consequences. In one case (virtual grasp), the key-press started a video clip showing a hand moving toward a cup and grasping it; in the other case, the key-press did not produce any consequence (key-press). A third condition (real grasp) was also compared, in which subjects actually grasped the cup, producing the same action presented in the video clip. Data were collected from fifteen subjects. The results showed that motor preparation for virtual grasp (starting 3 s before the movement onset) was different from that of the key-press and similar to the real grasp preparation-as if subjects had to grasp the cup in person. In particular, both virtual and real grasp presented a posterior parietal negativity preceding activity in motor and pre-motor areas. In summary, this finding supports the hypothesis that motor preparation is affected by the meaning of the action, even when the action is only virtual.Chiara BozzacchiMaria Assunta GiustiSabrina PitzalisDonatella SpinelliFrancesco Di RussoPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 7, Iss 10, p e47783 (2012)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Chiara Bozzacchi Maria Assunta Giusti Sabrina Pitzalis Donatella Spinelli Francesco Di Russo Similar cerebral motor plans for real and virtual actions.
description	A simple movement, such as pressing a button, can acquire different meanings by producing different consequences, such as starting an elevator or switching a TV channel. We evaluated whether the brain activity preceding a simple action is modulated by the expected consequences of the action itself. To further this aim, the motor-related cortical potentials were compared during two key-press actions that were identical from the kinematics point of view but different in both meaning and consequences. In one case (virtual grasp), the key-press started a video clip showing a hand moving toward a cup and grasping it; in the other case, the key-press did not produce any consequence (key-press). A third condition (real grasp) was also compared, in which subjects actually grasped the cup, producing the same action presented in the video clip. Data were collected from fifteen subjects. The results showed that motor preparation for virtual grasp (starting 3 s before the movement onset) was different from that of the key-press and similar to the real grasp preparation-as if subjects had to grasp the cup in person. In particular, both virtual and real grasp presented a posterior parietal negativity preceding activity in motor and pre-motor areas. In summary, this finding supports the hypothesis that motor preparation is affected by the meaning of the action, even when the action is only virtual.
format	article
author	Chiara Bozzacchi Maria Assunta Giusti Sabrina Pitzalis Donatella Spinelli Francesco Di Russo
author_facet	Chiara Bozzacchi Maria Assunta Giusti Sabrina Pitzalis Donatella Spinelli Francesco Di Russo
author_sort	Chiara Bozzacchi
title	Similar cerebral motor plans for real and virtual actions.
title_short	Similar cerebral motor plans for real and virtual actions.
title_full	Similar cerebral motor plans for real and virtual actions.
title_fullStr	Similar cerebral motor plans for real and virtual actions.
title_full_unstemmed	Similar cerebral motor plans for real and virtual actions.
title_sort	similar cerebral motor plans for real and virtual actions.
publisher	Public Library of Science (PLoS)
publishDate	2012
url	https://doaj.org/article/cc092936b5ca4ac4b31439ee45857465
work_keys_str_mv	AT chiarabozzacchi similarcerebralmotorplansforrealandvirtualactions AT mariaassuntagiusti similarcerebralmotorplansforrealandvirtualactions AT sabrinapitzalis similarcerebralmotorplansforrealandvirtualactions AT donatellaspinelli similarcerebralmotorplansforrealandvirtualactions AT francescodirusso similarcerebralmotorplansforrealandvirtualactions
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Similar cerebral motor plans for real and virtual actions.

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