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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
  • 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
  • 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
  • Reveal the effect of self-resemblance on attractiveness
  • sexual / non-sexual context
methods
Methods
  • Photos were taken of 150 volunteers
  • Average (composite) faces were made
slide7

Making morphs

  • Marking of characteristic lines of the individual faces
slide8

Average faces

Férfi+nő átlagképek ide

Individual face

Individual face

2 individuals

slide9

Average faces

Férfi+nő átlagképek ide

4 individuals

slide10

Average faces

Férfi+nő átlagképek ide

8 individuals

making warps
Making warps
  • Individual face
  • Average face
slide23

Average faces

Warped to 60 %

Individual face

slide24

Preliminary study and evaluation of warps

  • Below 60 % there was no self-recognition
  • Above 60 % faces become distorted
  • All 60 % warps were evaluated by independent judges, in terms of attractiveness
slide26

Male participants – opposite sex faces

Self-resembling face

Other-resembling faces matched by attractiveness

slide27

Male participants – same sex faces

Self-resembling face

Other-resembling faces matched by attractiveness

slide28

Female participants – same sex faces

Self-resembling face

Other-resembling faces matched by attractiveness

slide29

Female participants – opposite sex faces

Self-resembling face

Other-resembling faces matched by attractiveness

results
Results

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
  • 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
  • Phenotype matching
  • Sexual imprinting on the opposite-sex parent
references
References
  • 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!

Evolutionary Psychology Research Group of Pécs

www.evolutionpsychology.com

www.bereczkei.hu

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