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Representing multiple observed actions in the motor system

(2019) CEREBRAL CORTEX. 29(8). p.3631-6341
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Abstract
There is now converging evidence that others’ actions are represented in the motor system. However, social cognition requires us to represent not only the actions but also the interactions of others. To do so, it is imperative that the motor system can represent multiple observed actions. The current fMRI study investigated whether this is possible by measuring brain activity from 29 participants while they observed 2 right hands performing sign language gestures. Three key results were obtained. First, brain activity in the premotor and parietal motor cortex was stronger when 2 hands performed 2 different gestures than when 1 hand performed a single gesture. Second, both individual observed gestures could be decoded from brain activity in the same 2 regions. Third, observing 2 different gestures compared with 2 identical gestures activated brain areas related to motor conflict, and this activity was correlated with parietal motor activity. Together, these results show that the motor system is able to represent multiple observed actions, and as such reveal a potential mechanism by which third-party social encounters could be processed in the brain.
Keywords
action observation, interaction observation, mirror neuron system, motor conflict, multiple agents, ANTERIOR CINGULATE CORTEX, CORTICOSPINAL EXCITABILITY, RESPONSE-CONFLICT, ATTENTIONAL CONTROL, COGNITIVE-PROCESSES, EXECUTION, INHIBITION, PREMOTOR, PARIETAL, BEHAVIOR

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Citation

Please use this url to cite or link to this publication:

MLA
Cracco, Emiel, et al. “Representing Multiple Observed Actions in the Motor System.” CEREBRAL CORTEX, vol. 29, no. 8, 2019, pp. 3631–6341.
APA
Cracco, E., Keysers, C., Clauwaert, A., & Brass, M. (2019). Representing multiple observed actions in the motor system. CEREBRAL CORTEX, 29(8), 3631–6341.
Chicago author-date
Cracco, Emiel, Christian Keysers, Amanda Clauwaert, and Marcel Brass. 2019. “Representing Multiple Observed Actions in the Motor System.” CEREBRAL CORTEX 29 (8): 3631–6341.
Chicago author-date (all authors)
Cracco, Emiel, Christian Keysers, Amanda Clauwaert, and Marcel Brass. 2019. “Representing Multiple Observed Actions in the Motor System.” CEREBRAL CORTEX 29 (8): 3631–6341.
Vancouver
1.
Cracco E, Keysers C, Clauwaert A, Brass M. Representing multiple observed actions in the motor system. CEREBRAL CORTEX. 2019;29(8):3631–6341.
IEEE
[1]
E. Cracco, C. Keysers, A. Clauwaert, and M. Brass, “Representing multiple observed actions in the motor system,” CEREBRAL CORTEX, vol. 29, no. 8, pp. 3631–6341, 2019.
@article{8576483,
  abstract     = {There is now converging evidence that others’ actions are represented in the motor system. However, social cognition requires us to represent not only the actions but also the interactions of others. To do so, it is imperative that the motor system can represent multiple observed actions. The current fMRI study investigated whether this is possible by measuring brain activity from 29 participants while they observed 2 right hands performing sign language gestures. Three key results were obtained. First, brain activity in the premotor and parietal motor cortex was stronger when 2 hands performed 2 different gestures than when 1 hand performed a single gesture. Second, both individual observed gestures could be decoded from brain activity in the same 2 regions. Third, observing 2 different gestures compared with 2 identical gestures activated brain areas related to motor conflict, and this activity was correlated with parietal motor activity. Together, these results show that the motor system is able to represent multiple observed actions, and as such reveal a potential mechanism by which third-party social encounters could be processed in the brain.},
  author       = {Cracco, Emiel and Keysers, Christian and Clauwaert, Amanda and Brass, Marcel},
  issn         = {1047-3211},
  journal      = {CEREBRAL CORTEX},
  keywords     = {action observation,interaction observation,mirror neuron system,motor conflict,multiple agents,ANTERIOR CINGULATE CORTEX,CORTICOSPINAL EXCITABILITY,RESPONSE-CONFLICT,ATTENTIONAL CONTROL,COGNITIVE-PROCESSES,EXECUTION,INHIBITION,PREMOTOR,PARIETAL,BEHAVIOR},
  language     = {eng},
  number       = {8},
  pages        = {3631--6341},
  title        = {Representing multiple observed actions in the motor system},
  url          = {http://dx.doi.org/10.1093/cercor/bhy237},
  volume       = {29},
  year         = {2019},
}

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