Hand Washing Induces a Clean Slate Effect in Moral Judgments: A Pupillometry and Eye-Tracking Study
Identifieur interne : 003948 ( Ncbi/Checkpoint ); précédent : 003947; suivant : 003949Hand Washing Induces a Clean Slate Effect in Moral Judgments: A Pupillometry and Eye-Tracking Study
Auteurs : Kai Kaspar [Allemagne] ; Vanessa Krapp [Allemagne] ; Peter König [Allemagne]Source :
- Scientific Reports [ 2045-2322 ] ; 2015.
Abstract
Physical cleansing is commonly understood to protect us against physical contamination. However, recent studies showed additional effects on moral judgments. Under the heading of the “Macbeth effect” direct links between bodily cleansing and one’s own moral purity have been demonstrated. Here we investigate (1) how moral judgments develop over time and how they are altered by hand washing, (2) whether changes in moral judgments can be explained by altered information sampling from the environment, and (3) whether hand washing affects emotional arousal. Using a pre-post control group design, we found that morality ratings of morally good and bad scenes acquired more extreme values in the control group over time, an effect that was fully counteracted by intermediate hand washing. This result supports the notion of a clean slate effect by hand washing. Thereby, eye-tracking data did not uncover differences in eye movement behavior that may explain differences in moral judgments. Thus, the clean slate effect is not due to altered information sampling from the environment. Finally, compared to the control group, pupil diameter decreased after hand washing, thus demonstrating a direct physiological effect. The results shed light on the physiological mechanisms behind this type of embodiment phenomenon.
Url:
DOI: 10.1038/srep10471
PubMed: 25994083
PubMed Central: 4650819
Affiliations:
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uniqKey="Krapp V" first="Vanessa" last="Krapp">Vanessa Krapp</name><affiliation wicri:level="1"><nlm:aff id="a2"><institution>Neurobiopsychology, Institute of Cognitive Science, University of Osnabrück</institution>, Osnabrück,<country>Germany</country></nlm:aff><country xml:lang="fr">Allemagne</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Konig, Peter" sort="Konig, Peter" uniqKey="Konig P" first="Peter" last="König">Peter König</name><affiliation wicri:level="1"><nlm:aff id="a2"><institution>Neurobiopsychology, Institute of Cognitive Science, University of Osnabrück</institution>, Osnabrück,<country>Germany</country></nlm:aff><country xml:lang="fr">Allemagne</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation><affiliation wicri:level="1"><nlm:aff id="a3"><institution>Department of Neurophysiology and Pathophysiology, University Medical Center Hamburg-Eppendorf</institution>, 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Study</title><author><name sortKey="Kaspar, Kai" sort="Kaspar, Kai" uniqKey="Kaspar K" first="Kai" last="Kaspar">Kai Kaspar</name><affiliation wicri:level="1"><nlm:aff id="a1"><institution>Social and Media Psychology, Department of Psychology, University of Cologne</institution>, Cologne,<country>Germany</country></nlm:aff><country xml:lang="fr">Allemagne</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation><affiliation wicri:level="1"><nlm:aff id="a2"><institution>Neurobiopsychology, Institute of Cognitive Science, University of Osnabrück</institution>, Osnabrück,<country>Germany</country></nlm:aff><country xml:lang="fr">Allemagne</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Krapp, Vanessa" sort="Krapp, Vanessa" uniqKey="Krapp V" first="Vanessa" last="Krapp">Vanessa Krapp</name><affiliation wicri:level="1"><nlm:aff id="a2"><institution>Neurobiopsychology, Institute of Cognitive Science, University of Osnabrück</institution>, Osnabrück,<country>Germany</country></nlm:aff><country xml:lang="fr">Allemagne</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Konig, Peter" sort="Konig, Peter" uniqKey="Konig P" first="Peter" last="König">Peter König</name><affiliation wicri:level="1"><nlm:aff id="a2"><institution>Neurobiopsychology, Institute of Cognitive Science, University of Osnabrück</institution>, Osnabrück,<country>Germany</country></nlm:aff><country xml:lang="fr">Allemagne</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation><affiliation wicri:level="1"><nlm:aff id="a3"><institution>Department of Neurophysiology and Pathophysiology, University Medical Center Hamburg-Eppendorf</institution>, Hamburg,<country>Germany</country></nlm:aff><country xml:lang="fr">Allemagne</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author></analytic><series><title level="j">Scientific Reports</title><idno type="eISSN">2045-2322</idno><imprint><date when="2015">2015</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p>Physical cleansing is commonly understood to protect us against physical contamination. However, recent studies showed additional effects on moral judgments. Under the heading of the “Macbeth effect” direct links between bodily cleansing and one’s own moral purity have been demonstrated. Here we investigate (1) how moral judgments develop over time and how they are altered by hand washing, (2) whether changes in moral judgments can be explained by altered information sampling from the environment, and (3) whether hand washing affects emotional arousal. Using a pre-post control group design, we found that morality ratings of morally good and bad scenes acquired more extreme values in the control group over time, an effect that was fully counteracted by intermediate hand washing. This result supports the notion of a clean slate effect by hand washing. Thereby, eye-tracking data did not uncover differences in eye movement behavior that may explain differences in moral judgments. Thus, the clean slate effect is not due to altered information sampling from the environment. Finally, compared to the control group, pupil diameter decreased after hand washing, thus demonstrating a direct physiological effect. The results shed light on the physiological mechanisms behind this type of embodiment phenomenon.</p></div></front><back><div1 type="bibliography"><listBibl><biblStruct><analytic><author><name sortKey="Zhong, C B" uniqKey="Zhong C">C. B. Zhong</name></author><author><name sortKey="Liljenquist, K" uniqKey="Liljenquist K">K. Liljenquist</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Reuven, O" uniqKey="Reuven O">O. Reuven</name></author><author><name sortKey="Liberman, N" uniqKey="Liberman N">N. Liberman</name></author><author><name sortKey="Dar, R" uniqKey="Dar R">R. Dar</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Gollwitzer, M" uniqKey="Gollwitzer M">M. Gollwitzer</name></author><author><name sortKey="Melzer, A" uniqKey="Melzer A">A. 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Eid</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Kaspar, K" uniqKey="Kaspar K">K. Kaspar</name></author><author><name sortKey="Konig, P" uniqKey="Konig P">P. König</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Itti, L" uniqKey="Itti L">L. Itti</name></author><author><name sortKey="Koch, C" uniqKey="Koch C">C. Koch</name></author><author><name sortKey="Niebur, E" uniqKey="Niebur E">E. Niebur</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Harel, J" uniqKey="Harel J">J. Harel</name></author><author><name sortKey="Koch, C" uniqKey="Koch C">C. Koch</name></author><author><name sortKey="Perona, P" uniqKey="Perona P">P. Perona</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Ac K, A" uniqKey="Ac K A">A. Açık</name></author><author><name sortKey="Onat, S" uniqKey="Onat S">S. Onat</name></author><author><name sortKey="Schumann, F" uniqKey="Schumann F">F. Schumann</name></author><author><name sortKey="Einh User, W" uniqKey="Einh User W">W. Einhäuser</name></author><author><name sortKey="Konig, P" uniqKey="Konig P">P. König</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Irwin, D E" uniqKey="Irwin D">D. E. Irwin</name></author><author><name sortKey="Henderson, J M" uniqKey="Henderson J">J. M. Henderson</name></author><author><name sortKey="Ferreira, F" uniqKey="Ferreira F">F. Ferreira</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Klein, A M" uniqKey="Klein A">A. M. Klein</name></author><author><name sortKey="Zwickel, J" uniqKey="Zwickel J">J. Zwickel</name></author><author><name sortKey="Prinz, W" uniqKey="Prinz W">W. Prinz</name></author><author><name sortKey="Frith, U" uniqKey="Frith U">U. Frith</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Kaspar, K" uniqKey="Kaspar K">K. Kaspar</name></author><author><name sortKey="Ollermann, F" uniqKey="Ollermann F">F. Ollermann</name></author><author><name sortKey="Hamborg, K C" uniqKey="Hamborg K">K. C. Hamborg</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Barsalou, L W" uniqKey="Barsalou L">L. W. Barsalou</name></author></analytic></biblStruct></listBibl></div1></back></TEI><affiliations><list><country><li>Allemagne</li></country></list><tree><country name="Allemagne"><noRegion><name sortKey="Kaspar, Kai" sort="Kaspar, Kai" uniqKey="Kaspar K" first="Kai" last="Kaspar">Kai Kaspar</name></noRegion><name sortKey="Kaspar, Kai" sort="Kaspar, Kai" uniqKey="Kaspar K" first="Kai" last="Kaspar">Kai Kaspar</name><name sortKey="Konig, Peter" sort="Konig, Peter" uniqKey="Konig P" first="Peter" last="König">Peter König</name><name sortKey="Konig, Peter" sort="Konig, Peter" uniqKey="Konig P" first="Peter" last="König">Peter König</name><name sortKey="Krapp, Vanessa" sort="Krapp, Vanessa" uniqKey="Krapp V" first="Vanessa" last="Krapp">Vanessa Krapp</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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