The relationship between mirror-touch synaesthesia and empathy: New evidence and a new screening tool

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Ward, J; Schnakenberg, P and Banissy, Michael J.. 2018. The relationship between mirror-touch synaesthesia and empathy: New evidence and a new screening tool. Cognitive Neuropsychology, 35(5-6), pp. 314-332. ISSN 0264-3294 [Article]

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Official URL: https://doi.org/10.1080/02643294.2018.1457017

Abstract or Description

People with mirror-touch synaesthesia (MTS) report experiencing tactile sensations on their own body when seeing another person being touched. Although this has been associated with heightened empathy and emotion perception, this finding has recently been disputed. Here, we conduct two experiments to explore this relationship further. In Study 1, we develop a new screening measure for MTS. We show that MTS is related to vicarious experiences more generally (including to itch and pain), but is not a simple exaggerated version of normality. For example, people with MTS report videos of scratching as ‘touch’ rather than ‘itchiness’ and have localized sensations when watching others in pain. In Study 2, we show that MTS is related to increased emotional empathy to others and better ability to read facial expressions of emotion, but other measures of empathy are normal-to-low. In terms of theoretical models, we propose that this is more consistent with a qualitative difference in the ability to selectively inhibit the other and attending to the self, which leads to heightened activity in shared self-other representations (including a mirror system for touch, but also includes other kinds of vicarious experience).

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Article

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https://doi.org/10.1080/02643294.2018.1457017