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The peacock tail in flight, a classic example of what Amotz Zahavi proposed was a handicapped signal of male quality. [1]The handicap principle is a disputed hypothesis proposed by the Israeli biologist Amotz Zahavi in 1975.
Costly signaling theory in evolutionary psychology refers to uses of costly signaling theory and adaptationism in explanations for psychological traits and states. Often informed by the closely related fields of human behavioral ecology and cultural evolution, such explanations are predominantly focused on humans and emphasize the benefits of altering the perceptions of others and the need to ...
This is an example of indirect genetic benefits received by the choosy sex, because mating with such individuals will result in high-quality offspring. The indicator traits hypothesis is split into three highly related subtopics: the handicap theory of sexual selection, the good genes hypothesis, and the Hamilton–Zuk hypothesis.
Examples include disgust of potentially harmful spoiled foods; pleasure from sex and from eating sweet and fatty foods; and fear of spiders, snakes, and the dark. [1] All known cultures have some form of art. This universality suggests that art is related to evolutionary adaptations. The strong emotions associated with art suggest the same. [1]
The Astonishing Hypothesis is a 1994 book by scientist Francis Crick about consciousness. Crick, one of the co-discoverers of the molecular structure of DNA , later became a theorist for neurobiology and the study of the brain .
In personality psychology, the lexical hypothesis [1] (also known as the fundamental lexical hypothesis, [2] lexical approach, [3] or sedimentation hypothesis [4]) generally includes two postulates: 1. Those personality characteristics that are important to a group of people will eventually become a part of that group's language. [5] and that ...
Examples of such objects are written calculations, a diary, or a PC; in general, it concerns objects that store information. The hypothesis considers the mind to encompass every level of cognition, including the physical level. It was proposed by Andy Clark and David Chalmers in "The Extended Mind" (1998).
Schistosoma mansoni, an endoparasite that lives in human tissue. Parasite-stress theory, or pathogen-stress theory, is a theory of human evolution proposing that parasites and diseases encountered by a species shape the development of species' values and qualities, proposed by researchers Corey Fincher and Randy Thornhill.