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On oxytocin and social behavior
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- Hovey, Daniel (author)
- Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi, sektionen för farmakologi,Institute of Neuroscience and Physiology, Department of Pharmacology
- (creator_code:org_t)
- ISBN 9789178331451
- 2018
- English.
- Doctoral thesis (other academic/artistic)
Abstract
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- Complex social cognitive processes underlie social behavior. Oxytocin has long been recognized as crucial in social behavior in animals, but its role in regulating human social cognition and behavior is less clear, particularly with regard to endogenous oxytocin. The aims of this thesis were to investigate (i) how endogenous oxytocin affects face and emotion recognition in humans, (ii) how it may modulate social impairments in autism spectrum disorder and antisocial behavior, (iii) how exogenous (intranasal) oxytocin may influence the salience of human faces, and finally (iv) the role of endogenous oxytocin in zebrafish social behavior. We investigated endogenous oxytocin by studying genetic variation in oxytocin-related genes, and found that oxytocin influences social cognition in humans, specifically via modulation of face recognition (Paper I) and via modulation of emotion recognition in women (Paper II). In addition, we found tentative associations between variation in oxytocin-related genes and autistic-like traits in the general population (Paper III), and showed that variation in the oxytocin receptor gene is associated with antisocial behavior in men (Paper IV). We also showed that exogenous (intranasal) oxytocin acts to increase the salience of human faces (Paper V), a mechanism that may underlie its behavioral effects. Finally, we demonstrated that an oxytocin receptor antagonist decreases social preference in adult and larval zebrafish (Paper VI). In conclusion, this thesis confirms the importance of endogenous oxytocin for social cognition in humans, and demonstrates one mechanism by which exogenous oxytocin may act. Furthermore, we established an animal model for future research on the oxytocin system.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Farmaceutiska vetenskaper (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Pharmaceutical Sciences (hsv//eng)
Keyword
- oxytocin
- social cognition
- autism
- antisocial behavior
- zebrafish
Publication and Content Type
- vet (subject category)
- dok (subject category)
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