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dc.contributor.advisorWacker, Jan (Prof. Dr.)
dc.contributor.authorKäckenmester, A. M. Wiebke
dc.date.accessioned2020-10-19T13:28:16Z-
dc.date.available2020-10-19T13:28:16Z-
dc.date.issued2020
dc.identifier.urihttps://ediss.sub.uni-hamburg.de/handle/ediss/8406-
dc.description.abstractIndividual differences in openness to experience have been theoretically linked to functions of the neuromodulator dopamine. Although a few trait characteristics have been connected to dopamine activity, causal connections with the broad domain still lack empirical evidence. In preparation for the first study, I developed a novel perceptual paradigm to examine the hypothesized association between openness and anticipation- related states with frontal EEG alpha asymmetry. The results yielded a main effect of state curiosity on left-lateralized activation and an interaction between openness and self- reported confidence, indicating that openness might explain individual differences in the responsiveness to perceptual uncertainty. The second study was conducted to directly assess the influence of dopamine on divergent thinking, a behavioral correlate of openness to experience. For this purpose, the dopamine receptor blocker sulpiride was administered in a placebo-controlled between-subjects design. The data yielded an interaction between openness to experience and substance group, indicating that the dopamine manipulation selectively affected divergent thinking as a function of openness to experience. The results provide novel empirical evidence for an association between dopamine activity and both openness to experience and divergent thinking. Performed in the same pharmacological design, the third study was conducted to assess the influence of dopamine activity on the relationship between openness and implicit learning. The hypothesized interaction between implicit learning and substance group, however, failed to reach statistical significance. In summary, evidence for the initial hypotheses was found in two of three studies. Implications of the present findings are discussed along with methodological considerations and future directions.en
dc.language.isoenen
dc.publisherStaats- und Universitätsbibliothek Hamburg Carl von Ossietzky
dc.rightshttp://purl.org/coar/access_right/c_abf2
dc.subjectDopaminde
dc.subjectOffenheit für Erfahrungende
dc.subjectKreativitätde
dc.subjectDopamineen
dc.subjectOpenness to Experienceen
dc.subjectCreativityen
dc.subject.ddc150 Psychologie
dc.titleDopamine Modulation of Individual Differences in Openness to Experienceen
dc.title.alternativeDopaminmodulation individueller Unterschiede in Offenheit für Erfahrungende
dc.typedoctoralThesis
dcterms.dateAccepted2020-06-17
dc.rights.ccNo license
dc.rights.rshttp://rightsstatements.org/vocab/InC/1.0/
dc.subject.bcl77.52 Differentielle Psychologie
dc.type.casraiDissertation-
dc.type.dinidoctoralThesis-
dc.type.driverdoctoralThesis-
dc.type.statusinfo:eu-repo/semantics/publishedVersion
dc.type.thesisdoctoralThesis
tuhh.opus.id10491
tuhh.opus.datecreation2020-07-21
tuhh.type.opusDissertation-
thesis.grantor.departmentPsychologie
thesis.grantor.placeHamburg
thesis.grantor.universityOrInstitutionUniversität Hamburg
dcterms.DCMITypeText-
tuhh.gvk.ppn1726501116
dc.identifier.urnurn:nbn:de:gbv:18-104916
item.advisorGNDWacker, Jan (Prof. Dr.)-
item.creatorGNDKäckenmester, A. M. Wiebke-
item.grantfulltextopen-
item.creatorOrcidKäckenmester, A. M. Wiebke-
item.languageiso639-1other-
item.fulltextWith Fulltext-
Enthalten in den Sammlungen:Elektronische Dissertationen und Habilitationen
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