Motor empathy is a consequence of misattribution of sensory information in observers

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题名:	Motor empathy is a consequence of misattribution of sensory information in observers
作者:	阮啓弘;Mahayana, Indra T.;Banissy, Michael J.;Chen, Chiao-Yun;Walsh, Vincent;Juan, Chi-Hung;Muggleton, Neil G.
贡献者:	生醫理工學院認知神經科學研究所
关键词:	Autism;Behavior;Cortex (motor);Cortex (somatosensory);Emotions;Empathy;Experiments;extrapersonal space;Magnetic fields;mirror mechanism;motor evoked potential (MEP);Motor evoked potentials;Neuroscience;Neurosciences;Pain;Pain perception;peripersonal space;Pyramidal tracts;Transcranial magnetic stimulation;Transcranial magnetic stimulation (TMS)
日期:	2014-02-06
上传时间:	2026-04-23 14:30:13 (UTC+8)
出版者:	Switzerland: Frontiers Research Foundation
摘要:	摘要： Human behavior depends crucially on the ability to interact with others and empathy has a critical role in enabling this to occur effectively. This can be an unconscious process and based on natural instinct and inner imitation (Montag et al., 2008) responding to observed and executed actions (Newman-Norlund et al., 2007). Motor empathy relating to painful stimuli is argued to occur via the mirror system in motor areas (Rizzolatti and Luppino, 2001). Here we investigated the effects of the location of emotional information on the responses of this system. Motor evoked potential (MEP) amplitudes from the right first dorsal interosseus (FDI) muscle in the hand elicited by single pulses of transcranial magnetic stimulation (TMS) delivered over the left motor cortex were measured while participants observed a video of a needle entering a hand over the FDI muscle, representing a painful experience for others. To maintain subjects' internal representation across different viewing distances, we used the same size of hand stimuli both in peripersonal and extrapersonal space. We found a reduced MEP response, indicative of inhibition of the corticospinal system, only for stimuli presented in peripersonal space and not in extrapersonal space. This empathy response only occurring for near space stimuli suggests that it may be a consequence of misidentification of sensory information as being directly related to the observer. A follow up experiment confirmed that the effect was not a consequence of the size of the stimuli presented, in agreement with the importance of the near space/far space boundary for misattribution of body related information. This is consistent with the idea that empathy is, at least partially, a consequence of misattribution of perceptual information relating to another to the observer and that pain perception is modulated by the nature of perception of the pain. 其他題名： Front Hum Neurosci 出版者： Switzerland: Frontiers Research Foundation 出版日期： 2014-02-06 出處： Frontiers in human neuroscience, 2014-02, Vol.8, p.47 資源來源： Publicly available content database 版權： 2014. This work is licensed under http://creativecommons.org/licenses/by/3.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. 版權： Copyright © 2014 Mahayana, Banissy, Chen, Walsh, Juan and Muggleton. 2014 識別號： ISSN: 1662-5161 識別號： EISSN: 1662-5161 識別號： DOI: 10.3389/fnhum.2014.00047 識別號： PMID: 24567713
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