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The evolved information processing design of the human mating mind
Semchenko, Ayten Yeşim ; Kleisner, Karel (advisor) ; Varella Valentova, Jaroslava (referee) ; Marcinkowska, Urszula (referee)
In this dissertation, I investigated the psychological adaptations designed to overcome the challenge of mate acquisition through its sub-problems such as (not) missing an opportunity to interact with a potentially suitable partner, identifying mates who exhibit specific fitness-relevant cues, identifying mates that are available to us, and identifying (right) ways of appearance-enhancement. In an attempt to unravel the psychological adaptations designed to solve the stated sub-problems of mate acquisition, I studied the effect of the theoretically-anchored inputs such as biological sex, incomplete visual information, mating context, lumbar curvature angle, and back arching behavior. Through investigating the effects of those inputs (e.g., mating context and lumbar curvature angle), I found outputs consistent with the proposed psychological adaptations (e.g., male preference for an intermediate lumbar curvature angle in women) designed to solve the sub-problems of mate acquisition (e.g., identifying mates with the specific fitness-enhancing trait). Furthermore, these findings indicated that our approach to studying the human mating mind led to accurately identified inputs producing the predicted outputs.
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Social perception of trustworthiness and its projection in morphospace of human face: evolutionary and ecological consequences
Renzová, Šárka ; Kleisner, Karel (advisor) ; Varella Valentova, Jaroslava (referee)
Differences in perception of the human face is caused by variability in facial features, which stands in the face properties, such as attractiveness, dominance and trustworthiness. This literature review focuses on the perception of trustworthiness and its impact to social interactions. The attention is also paid to possible evolutionary mechanisms such as sexual selection. Moreover, this work deals with the neurohormonal causes in the perception of trustworthiness, wherein the subcortical brain region called the amygdala plays the main role. Keywords: perception, the human face, trustworthiness, the amygdala, sexual selection
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Relationship between Personal Characteristics and Look in Homosexual Males.
Valentová, Jaroslava ; Havlíček, Jan (advisor) ; Lindová, Jitka (referee)
The diploma thesis focused on male sexual orientation from various points of view, and in particular, several aspects of masculinity-femininity and partner preferences. Theoretical part of the thesis aimed at masculine and feminine personality, facial and vocal traits, as well as attractiveness of these traits for other individuals. The second part of the thesis consists in an empirical experiment where lay judges rated attractiveness, masculinity-femininity, and sexual orientation of facial photos and vocal recordings of homosexual and heterosexual target men. Other method used in the study was a set of questionnaires and standardized psychological tests focusing on gender nonconformity and other traits that were presumed to relate to male sexual orientation.
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An Effect of Experimentally Manipulated Cues of Men's Socio-economical Statute on Male Nonverbal Display, on Self-Esteem and Mate Value
Kubicová, Lydie ; Varella Valentova, Jaroslava (advisor) ; Lindová, Jitka (referee)
On thebasisofculturaltransmission, animplicitassociationcouldbecreatedbetweenformalclothing and expectationsconcerningthesocial status ofitswearer. Imitationofsuccessfulindividuals by meansofgroomingcanincreasetheprestige and mate value, whichcanbereflectedupon direct interactionwithothers. Displaysofpride and self-esteem as a sign ofhighsocial status providevaluableinformationtowardspotentialpartners. Feelingsofpride and successinvokedby the type ofclothingcouldaffectnonverbalexpressions. Changes in behavior as a resultofwearinghigh status clothesmaybeconnected to nonverbaltraitswhich are linked to perceived dominance, self-esteem and attractiveness. Studiesindicatethatmenwho display more dynamic and expansivenonverbaltraits are rated by women as more attractive and more masculine. They are alsorated as more dominant by othermen in comparisonwithmen on whom these nonverbaltraits do not manifest. Wetestedthe influence offormal and casualclothes on male nonverbal display and itsjudgment by women and menregarding dominance, self-esteem and attractiveness. Wehypothesizedthattherewilloccurgreateramountsofdynamic and expansivenonverbaltraits in menwearingformalclothesthan in thesamemenwearingcasualclothes. Further, wehypothesizedthatthewearersofformalclotheswillberated by independent raters as more...
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