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  Enhanced self-reported affect and prosocial behaviour without differential physiological responses in mirror-sensory synaesthesia

Ioumpa, K., Graham, S. A., Clausner, T., Fisher, S. E., Van Lier, R., & Van Leeuwen, T. M. (2019). Enhanced self-reported affect and prosocial behaviour without differential physiological responses in mirror-sensory synaesthesia. Philosophical Transactions of the Royal Society of London, Series B: Biological Sciences, 374: 20190395. doi:10.1098/rstb.2019.0395.

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 Urheber:
Ioumpa, Kalliopi1, 2, Autor
Graham, Sarah A.3, Autor           
Clausner, Tommy2, Autor
Fisher, Simon E.2, 3, Autor           
Van Lier, Rob2, Autor
Van Leeuwen, Tessa M.2, Autor
Affiliations:
1Royal Netherlands Academy for Arts and Sciences, Amsterdam, The Netherlands, ou_persistent22              
2Donders Institute for Brain, Cognition and Behaviour, External Organizations, ou_55236              
3Language and Genetics Department, MPI for Psycholinguistics, Max Planck Society, ou_792549              

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 Zusammenfassung: Mirror-sensory synaesthetes mirror the pain or touch that they observe in other people on their own bodies. This type of synaesthesia has been associated with enhanced empathy. We investigated whether the enhanced empathy of people with mirror-sensory synesthesia influences the experience of situations involving touch or pain and whether it affects their prosocial decision making. Mirror-sensory synaesthetes (N = 18, all female), verified with a touch-interference paradigm, were compared with a similar number of age-matched control individuals (all female). Participants viewed arousing images depicting pain or touch; we recorded subjective valence and arousal ratings, and physiological responses, hypothesizing more extreme reactions in synaesthetes. The subjective impact of positive and negative images was stronger in synaesthetes than in control participants; the stronger the reported synaesthesia, the more extreme the picture ratings. However, there was no evidence for differential physiological or hormonal responses to arousing pictures. Prosocial decision making was assessed with an economic game assessing altruism, in which participants had to divide money between themselves and a second player. Mirror-sensory synaesthetes donated more money than non-synaesthetes, showing enhanced prosocial behaviour, and also scored higher on the Interpersonal Reactivity Index as a measure of empathy. Our study demonstrates the subjective impact of mirror-sensory synaesthesia and its stimulating influence on prosocial behaviour.

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Sprache(n): eng - English
 Datum: 20192019-10-212019-12
 Publikationsstatus: Erschienen
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: DOI: 10.1098/rstb.2019.0395
 Art des Abschluß: -

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Titel: Philosophical Transactions of the Royal Society of London, Series B: Biological Sciences
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: London : Royal Society
Seiten: - Band / Heft: 374 Artikelnummer: 20190395 Start- / Endseite: - Identifikator: ISSN: 0962-8436
CoNE: https://pure.mpg.de/cone/journals/resource/963017382021_1