National Repository of Grey Literature 6 records found  Search took 0.00 seconds. 
The Evolution and Functional Role of the Colour of Iris in Humans, Its Biological Role, and Cross-Cultural Perception
Kočnar, Tomáš ; Kleisner, Karel (advisor) ; Windhager, Sonja (referee) ; Wacewicz, Slawomir (referee)
The human eye is a conspicuous and unique component of facial appearance. From other mammalian eyes it is set apart mainly by its unusual shape, visible white sclera, and a wide range of iris colours, which is something unique within a single species. Whether alone or in the context of the face as a whole, eye colour is an underexplored area within research into the perception of various personality traits. In this thesis, the author first reviews the physiological factors connected with eye colour and reported correlations between eye colour and different psychological and behavioural conditions. This is followed by an investigation of a possible relationship between eye colour and perceived dominance and attractiveness. The first and second study examines whether and to what extent eye colour is associated with facial morphology responsible for perceived dominance. The results are ambiguous. A cross-cultural comparison in the third study revealed that faces with blue eyes are judged as more attractive only in populations where individuals with darker eyes predominate. It is thus discussed whether this population-specific pattern is the consequence of a negative frequency-dependent selection that may have contributed to the present-day eye colour diversity. In short, the aim of this thesis was to...
Family constellation and its influence on human personality
Kuba, Radim ; Komárek, Stanislav (advisor) ; Kočnar, Tomáš (referee)
This study focuses on birth order and it deals with its influence on human personality. It concerns early human ontogenesis, possible causes and ecological-evolutionary explanations of differences between siblings. It also emphasizes affecting factors. The thesis pursues general characteristic of only childs, firstborns and laterborns including findings of psychologists and confrontates it with results of experimental studies. The main discused spheres are personal attributes, marriage and partnership area and study abilities.

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