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Automatic stimulus-induced medial premotor cortex activation without perception or action

D'Ostilio, Kevin ; Garraux, Gaëtan Sirigu, Angela

PloS one, 2011-02, Vol.6 (2), p.e16613-e16613 [Periódico revisado por pares]

United States: Public Library of Science

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Título:
Automatic stimulus-induced medial premotor cortex activation without perception or action
Autor: D'Ostilio, Kevin ; Garraux, Gaëtan
Sirigu, Angela
Assuntos: Activation ; Adult ; Automatism - psychology ; Behavior ; Biology ; Brain ; Brain mapping ; Brain research ; Cerebral Cortex - diagnostic imaging ; Cerebral Cortex - physiology ; Computer Simulation ; Consciousness ; Cortex (premotor) ; Data analysis ; Experiments ; Female ; fMRI ; Functional magnetic resonance imaging ; Human health sciences ; Humans ; Magnetic resonance ; Magnetic Resonance Imaging ; Male ; Medical imaging ; Models, Biological ; Motor Activity - physiology ; motor control ; Motor Cortex - physiology ; Motor task performance ; Movement - physiology ; Neuroimaging ; Neurophysiology ; Neurosciences & behavior ; Neurosciences & comportement ; Nuts ; Peanuts ; perception ; Perception - physiology ; Physical Stimulation ; Radiography ; Radiologie, médecine & imagerie nucléaire ; Radiology, nuclear medicine & imaging ; Reaction Time - physiology ; sbliminal ; Scanners ; Sciences de la santé humaine ; Sciences sociales & comportementales, psychologie ; Semantics ; Social & behavioral sciences, psychology ; Subliminal stimuli ; Trends ; Visual perception ; Young Adult
É parte de: PloS one, 2011-02, Vol.6 (2), p.e16613-e16613
Notas: ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-News-1
ObjectType-Feature-3
content type line 23
scopus-id:2-s2.0-79551635294
Conceived and designed the experiments: KD GG. Performed the experiments: KD GG. Analyzed the data: KD GG. Contributed reagents/materials/analysis tools: KD GG. Wrote the paper: KD GG.
Descrição: Who has ever been surprised to return to the bowl of salted peanuts without realizing it, even after having eating a moderate number and deciding to stop? Using rapid event-related functional magnetic resonance imaging (fMRI) in healthy volunteers, we investigated the neural correlates of automatic processes induced by subliminal stimuli. We demonstrated that the automatic activation of motor programs elicited unconsciously in the medial premotor cortex was normally restricted to specific contexts set by the environment, but can occur below the threshold of awareness even when no movement was executed. This novel finding expands our view on brain mechanisms underlying unconscious motor control and provides new evidence that activation of the motor preparation system and consciousness are not obligatory linked.
Editor: United States: Public Library of Science
Idioma: Inglês

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Automatic stimulus-induced medial premotor cortex activation without perception or action

D'Ostilio, Kevin ; Garraux, Gaëtan Sirigu, Angela

United States: Public Library of Science

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