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  2. Westermarck effect - Wikipedia

    en.wikipedia.org/wiki/Westermarck_effect

    These marriages often failed, as would be expected according to the Westermarck hypothesis. [ 4 ] Studies show that cousin-marriage in Lebanon has a lower success rate if the cousins were raised in sibling-like conditions, first-cousin unions being more successful in Pakistan if there was a substantial age difference, as well as reduced marital ...

  3. Bicameral mentality - Wikipedia

    en.wikipedia.org/wiki/Bicameral_mentality

    Bicameral mentality is a hypothesis introduced by Julian Jaynes who argued human ancestors as late as the ancient Greeks did not consider emotions and desires as stemming from their own minds but as the consequences of actions of gods external to themselves.

  4. History of psychology - Wikipedia

    en.wikipedia.org/wiki/History_of_psychology

    Many cultures throughout history have speculated on the nature of the mind, heart, soul, spirit, brain, etc. For instance, in Ancient Egypt, the Edwin Smith Papyrus contains an early description of the brain, and some speculations on its functions (described in a medical/surgical context) and the descriptions could be related to Imhotep who was the first Egyptian physician who anatomized and ...

  5. Freud's psychoanalytic theories - Wikipedia

    en.wikipedia.org/wiki/Freud's_psychoanalytic...

    The idea that religion causes people to behave in a moral way is incorrect according to Freud because he believed that no other force has the power to control the ways in which people act. Unconscious desires motivate people to act accordingly. Freud did a significant amount of research studying how people act and interact in a group setting.

  6. Theoretical psychology - Wikipedia

    en.wikipedia.org/wiki/Theoretical_psychology

    It focuses on combining and incorporating existing and developing theories of psychology non-experimentally. Theoretical psychology originated from the philosophy of science, with logic and rationality at the base of each new idea. It existed before empirical or experimental psychology. Theoretical psychology is an interdisciplinary field ...

  7. Lexical hypothesis - Wikipedia

    en.wikipedia.org/wiki/Lexical_hypothesis

    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 ...

  8. Selective exposure theory - Wikipedia

    en.wikipedia.org/wiki/Selective_exposure_theory

    Individuals will then exhibit confirmatory information to defend their positions and reach the goal of dissonance reduction. [20] Cognitive dissonance theory insists that dissonance is a psychological state of tension that people are motivated to reduce (Festinger 1957). Dissonance causes feelings of unhappiness, discomfort, or distress.

  9. Self-determination theory - Wikipedia

    en.wikipedia.org/wiki/Self-determination_theory

    Self-determination theory (SDT) is a macro theory of human motivation and personality regarding individuals' innate tendencies toward growth and innate psychological needs. It pertains to the motivation behind individuals' choices in the absence of external influences and distractions.