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Sentence processing: linking language to motor chains
Institute of Sciences and Technologies of Cognition, National Research Council, Rome, Italy.
University of Skövde, School of Humanities and Informatics. University of Skövde, The Informatics Research Centre.ORCID iD: 0000-0003-1177-4119
University of Skövde, School of Humanities and Informatics. University of Skövde, The Informatics Research Centre.ORCID iD: 0000-0001-6883-2450
Institute of Sciences and Technologies of Cognition, National Research Council, Rome, Italy / Department of Psychology, University of Bologna, Bologna, Italy.
2010 (English)In: Frontiers in Neurorobotics, ISSN 1662-5218, Vol. 4, Article 4Article in journal (Refereed) Published
Abstract [en]

A growing body of evidence in cognitive science and neuroscience points towards the existence of a deep interconnection between cognition, perception and action. According to this embodied perspective language is grounded in the sensorimotor system and language understanding is based on a mental simulation process (Jeannerod, 2007; Gallese, 2008; Barsalou, 2009). This means that during action words and sentence comprehension the same perception, action, and emotion mechanisms implied during interaction with objects are recruited. Among the neural underpinnings of this simulation process an important role is played by a sensorimotor matching system known as the mirror neuron system (Rizzolatti and Craighero, 2004). Despite a growing number of studies, the precise dynamics underlying the relation between language and action are not yet well understood. In fact, experimental studies are not always coherent as some report that language processing interferes with action execution while others find facilitation. In this work we present a detailed neural network model capable of reproducing experimentally observed influences of the processing of action-related sentences on the execution of motor sequences. The proposed model is based on three main points. The first is that the processing of action-related sentences causes the resonance of motor and mirror neurons encoding the corresponding actions. The second is that there exists a varying degree of crosstalk between neuronal populations depending on whether they encode the same motor act, the same effector or the same action-goal. The third is the fact that neuronal populations’ internal dynamics, which results from the combination of multiple processes taking place at different time scales, can facilitate or interfere with successive activations of the same or of partially overlapping pools.

Place, publisher, year, edition, pages
Frontiers Media S.A. , 2010. Vol. 4, Article 4
Keyword [en]
sentence comprehension, embodied cognition, motor system, neural network, action chains
National Category
Natural Sciences
Research subject
Natural sciences
Identifiers
URN: urn:nbn:se:his:diva-4632DOI: 10.3389/fnbot.2010.00004PubMedID: 20725506Scopus ID: 2-s2.0-77956652193OAI: oai:DiVA.org:his-4632DiVA: diva2:391217
Available from: 2011-01-24 Created: 2011-01-24 Last updated: 2015-12-16Bibliographically approved

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