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Flexibility in Language Action Interaction: The Influence of Movement Type
Recent neuropsychological studies in neurological patients and healthy subjects suggest a close functional relationship between the brain systems for language and action. Facilitation and inhibition effects of motor system activity on language processing have been demonstrated as well as causal effe...
Autores principales: | , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
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Frontiers Media S.A.
2018
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Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6026896/ https://www.ncbi.nlm.nih.gov/pubmed/29988612 http://dx.doi.org/10.3389/fnhum.2018.00252 |
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author | Shebani, Zubaida Pulvermüller, Friedemann |
author_facet | Shebani, Zubaida Pulvermüller, Friedemann |
author_sort | Shebani, Zubaida |
collection | PubMed |
description | Recent neuropsychological studies in neurological patients and healthy subjects suggest a close functional relationship between the brain systems for language and action. Facilitation and inhibition effects of motor system activity on language processing have been demonstrated as well as causal effects in the reverse direction, from language processes on motor excitability or performance. However, as the documented effects between motor and language systems were sometimes facilitatory and sometimes inhibitory, the “sign” of these effects still remains to be explained. In a previous study, we reported a word-category-specific differential impairment of verbal working memory for concordant arm- and leg-related action words brought about by complex sequential movements of the hands and feet. In this article, we seek to determine whether the sign of the functional interaction between language and action systems of the human brain can be changed in a predictable manner by changing movement type. We here report that the sign of the effect of motor movement on action word memory can be reversed from interference to facilitation if, instead of complex movement sequences, simple repetitive movements are performed. Specifically, when engaged in finger tapping, subjects were able to remember relatively more arm-related action words (as compared to control conditions), thus documenting an enhancement of working memory brought about by simple hand movements. In contrast, when performing complex sequences of finger movements, an effector-specific degradation of action word memory was found. By manipulating the sign of the effect in accord with theory-driven predictions, these findings provide support for shared neural bases for motor movement and verbal working memory for action-related words and strengthen the argument that motor systems play a causal and functionally relevant role in language processing semantically related to action. |
format | Online Article Text |
id | pubmed-6026896 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2018 |
publisher | Frontiers Media S.A. |
record_format | MEDLINE/PubMed |
spelling | pubmed-60268962018-07-09 Flexibility in Language Action Interaction: The Influence of Movement Type Shebani, Zubaida Pulvermüller, Friedemann Front Hum Neurosci Neuroscience Recent neuropsychological studies in neurological patients and healthy subjects suggest a close functional relationship between the brain systems for language and action. Facilitation and inhibition effects of motor system activity on language processing have been demonstrated as well as causal effects in the reverse direction, from language processes on motor excitability or performance. However, as the documented effects between motor and language systems were sometimes facilitatory and sometimes inhibitory, the “sign” of these effects still remains to be explained. In a previous study, we reported a word-category-specific differential impairment of verbal working memory for concordant arm- and leg-related action words brought about by complex sequential movements of the hands and feet. In this article, we seek to determine whether the sign of the functional interaction between language and action systems of the human brain can be changed in a predictable manner by changing movement type. We here report that the sign of the effect of motor movement on action word memory can be reversed from interference to facilitation if, instead of complex movement sequences, simple repetitive movements are performed. Specifically, when engaged in finger tapping, subjects were able to remember relatively more arm-related action words (as compared to control conditions), thus documenting an enhancement of working memory brought about by simple hand movements. In contrast, when performing complex sequences of finger movements, an effector-specific degradation of action word memory was found. By manipulating the sign of the effect in accord with theory-driven predictions, these findings provide support for shared neural bases for motor movement and verbal working memory for action-related words and strengthen the argument that motor systems play a causal and functionally relevant role in language processing semantically related to action. Frontiers Media S.A. 2018-06-25 /pmc/articles/PMC6026896/ /pubmed/29988612 http://dx.doi.org/10.3389/fnhum.2018.00252 Text en Copyright © 2018 Shebani and Pulvermüller. http://creativecommons.org/licenses/by/4.0/ This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms. |
spellingShingle | Neuroscience Shebani, Zubaida Pulvermüller, Friedemann Flexibility in Language Action Interaction: The Influence of Movement Type |
title | Flexibility in Language Action Interaction: The Influence of Movement Type |
title_full | Flexibility in Language Action Interaction: The Influence of Movement Type |
title_fullStr | Flexibility in Language Action Interaction: The Influence of Movement Type |
title_full_unstemmed | Flexibility in Language Action Interaction: The Influence of Movement Type |
title_short | Flexibility in Language Action Interaction: The Influence of Movement Type |
title_sort | flexibility in language action interaction: the influence of movement type |
topic | Neuroscience |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6026896/ https://www.ncbi.nlm.nih.gov/pubmed/29988612 http://dx.doi.org/10.3389/fnhum.2018.00252 |
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