Preference for self resembling faces in human mate choice and interpersonal relations
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Preference for self-resembling faces in human mate choice and interpersonal relations. Kocsor, F. – Juhász, Sz. – Rezneki, R. – Bereczkei, T. University of Pécs, Hungary Department of General and Evolutionary Psychology . Facial cues influencing attractiveness. Symmetry Averageness

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Preference for self resembling faces in human mate choice and interpersonal relations

Preference for self-resembling faces in human mate choice and interpersonal relations

Kocsor, F. – Juhász, Sz. – Rezneki, R. – Bereczkei, T.

University of Pécs, Hungary

Department of General and Evolutionary Psychology


Facial cues influencing attractiveness
Facial cues influencing attractiveness and interpersonal relations

  • Symmetry

  • Averageness

  • Masculinity/feminity

  • Self-resemblance(Bereczkei et al 2003, 2004, Gyuris 2003, DeBruine, 2002, 2004)


Effects of self resemblance on attractiveness
Effects of self-resemblance on attractiveness and interpersonal relations

  • reduces attractiveness of opposite sex faces (inbreeding avoidance),

    increases attractiveness of same-sex faces (affiliation toward kin) (Lisa deBruine 2004)

  • increases attractiveness of opposite sex faces; Physical, cultural and psychological symilarity of spouses are greater (Bereczkei et al. 2003, 2004)

    Contradiction to be solved


Objectives
Objectives and interpersonal relations

  • Reveal the effect of self-resemblance on attractiveness

  • sexual / non-sexual context


Methods
Methods and interpersonal relations

  • Photos were taken of 150 volunteers

  • Average (composite) faces were made


Average faces and interpersonal relations


Making morphs and interpersonal relations

  • Marking of characteristic lines of the individual faces


Average faces and interpersonal relations

Férfi+nő átlagképek ide

Individual face

Individual face

2 individuals


Average faces and interpersonal relations

Férfi+nő átlagképek ide

4 individuals


Average faces and interpersonal relations

Férfi+nő átlagképek ide

8 individuals



Making warps
Making warps and interpersonal relations

  • Individual face

  • Average face












Average faces and interpersonal relations

Warped to 60 %

Individual face


Preliminary study and evaluation of warps and interpersonal relations

  • Below 60 % there was no self-recognition

  • Above 60 % faces become distorted

  • All 60 % warps were evaluated by independent judges, in terms of attractiveness


Design of experiment
Design of experiment and interpersonal relations


Male participants – opposite sex faces and interpersonal relations

Self-resembling face

Other-resembling faces matched by attractiveness


Male participants – same sex faces and interpersonal relations

Self-resembling face

Other-resembling faces matched by attractiveness


Female participants – same sex faces and interpersonal relations

Self-resembling face

Other-resembling faces matched by attractiveness


Female participants – opposite sex faces and interpersonal relations

Self-resembling face

Other-resembling faces matched by attractiveness


Results
Results and interpersonal relations

Other sex images

  • Only men showed significant preference for self-resemblance

    Same sex images

  • Neither men nor women showed preference for self-resemblance

    Lack of preference or effect of sample size?


Conclusions
Conclusions and interpersonal relations

  • Men prefer self-resembling women

  • Women do not prefer self-resembling men, or draw their attention to other traits in potential long term partner

  • Homogamy is not an artefact caused by familiarity but specific psychological mechanism evolved for mate choice


Mechanism of homogamous mate choice
Mechanism of homogamous mate choice and interpersonal relations

  • Phenotype matching

  • Sexual imprinting on the opposite-sex parent


References
References and interpersonal relations

  • Bereczkei T. et al. (2003): Homogámia, genetikus hasonlóság, imprinting Magyar Pszichológiai Szemle 4

  • Bereczkei T., Gyuris P., Weisfeld, G. E. (2004): Sexual imprinting in human mate choice Proc. Royal Soc. Lond. B 271

  • DeBruine, L. M. (2002):Facial resemblance enhances trust Proc. Royal Soc. Lond. B 269

  • DeBruine, L. M. (2004):Facial Resemblace affect behaviour and attributions Hamilton, Ontario, McMaster University

  • DeBruine, L. M: et al. (2005): Women's attractiveness judgments of self-resembling faces change across the menstrual cycle Hormones and Behavior, Volume 47, Issue 4, April 2005, Pages 379-383

  • Gyuris, P. (2003)Homogamy, imprinting, evolution: mate choice of women and men rearing in various family environments. PhD thesis, University of Pécs, Hungary. [In Hungarian.]


Thank you for your attention
Thank you for your attention! and interpersonal relations

Evolutionary Psychology Research Group of Pécs

www.evolutionpsychology.com

www.bereczkei.hu


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