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Title

“She” Is Not Like “I”: The Tie between Language and Action Is in Our Imagination

Authors
Papeo, Liuba
Rumiati, Raffaella Ida
Published in Journal of Cognitive Neuroscience. 2011, vol. 23, no. 12, p. 3939-3948
Abstract Embodied theories hold that understanding what another person is doing requires the observer to map that action directly onto his or her own motor representation and simulate it internally. The human motor system may, thus, be endowed with a "mirror matching" device through which the same motor representation is activated, when the subject is either the performer or the observer of another's action ("self-other shared representation"). It is suggested that understanding action verbs relies upon the same mechanism; this implies that motor responses to these words are automatic and independent of the subject of the verb. In the current study, participants were requested to read silently and decide on the syntactic subject of action and nonaction verbs, presented in first (1P) or third (3P) person, while TMS was applied to the left hand primary motor cortex (M1). TMS-induced motor-evoked potentials were recorded from hand muscles as a measure of cortico-spinal excitability. Motor-evoked potentials increased for 1P, but not for 3P, action verbs or 1P and 3P nonaction verbs. We provide novel demonstration that the motor simulation is triggered only when the conceptual representation of a word integrates the action with the self as the agent of that action. This questions the core principle of "mirror matching" and opens to alternative interpretations of the relationship between conceptual and sensorimotor processes.
Identifiers
PMID: 21671735
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Research group Affective sciences
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PAPEO, Liuba, CORRADI DELL'ACQUA, Corrado, RUMIATI, Raffaella Ida. “She” Is Not Like “I”: The Tie between Language and Action Is in Our Imagination. In: Journal of Cognitive Neuroscience, 2011, vol. 23, n° 12, p. 3939-3948. doi: 10.1162/jocn_a_00075 https://archive-ouverte.unige.ch/unige:41105

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Deposited on : 2014-10-23

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