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  2. Psychology - Wikipedia

    en.wikipedia.org/wiki/Psychology

    Psychology is the scientific study of mind and behavior. [1] [2] Its subject matter includes the behavior of humans and nonhumans, both conscious and unconscious phenomena, and mental processes such as thoughts, feelings, and motives. Psychology is an academic discipline of immense scope, crossing the boundaries between the natural and social ...

  3. Mental representation - Wikipedia

    en.wikipedia.org/wiki/Mental_representation

    A mental representation (or cognitive representation), in philosophy of mind, cognitive psychology, neuroscience, and cognitive science, is a hypothetical internal cognitive symbol that represents external reality or its abstractions. [1] [2] Mental representation is the mental imagery of things that are not actually present to the senses. [3]

  4. Id, ego and superego - Wikipedia

    en.wikipedia.org/wiki/Id,_ego_and_superego

    According to Freud as well as ego psychology the id is a set of uncoordinated instinctual needs; the superego plays the judgemental role via internalized experiences; and the ego is the perceiving, logically organizing agent that mediates between the id's innate desires, the demands of external reality and those of the critical superego; [3 ...

  5. Jungian archetypes - Wikipedia

    en.wikipedia.org/wiki/Jungian_archetypes

    Jungian archetypes are a concept from psychology that refers to a universal, inherited idea, pattern of thought, or image that is present in the collective unconscious of all human beings. The psychic counterpart of instinct , archetypes are thought to be the basis of many of the common themes and symbols that appear in stories, myths, and ...

  6. Chemical element - Wikipedia

    en.wikipedia.org/wiki/Chemical_element

    These elements originally referred to earth, water, air and fire rather than the chemical elements of modern science. The term 'elements' (stoicheia) was first used by Greek philosopher Plato around 360 BCE in his dialogue Timaeus, which includes a discussion of the composition of inorganic and organic bodies and is a speculative treatise on ...

  7. Chemical symbol - Wikipedia

    en.wikipedia.org/wiki/Chemical_symbol

    Chemical symbols are the abbreviations used in chemistry, mainly for chemical elements; but also for functional groups, chemical compounds, and other entities. Element symbols for chemical elements, also known as atomic symbols , normally consist of one or two letters from the Latin alphabet and are written with the first letter capitalised.

  8. Psyche (psychology) - Wikipedia

    en.wikipedia.org/wiki/Psyche_(psychology)

    Psychology is the scientific or objective study of the psyche. The word has a long history of use in psychology and philosophy , dating back to ancient times, and represents one of the fundamental concepts for understanding human nature from a scientific point of view.

  9. Sign (semiotics) - Wikipedia

    en.wikipedia.org/wiki/Sign_(semiotics)

    Even when a sign represents by a resemblance or factual connection independent of interpretation, the sign is a sign only insofar as it is at least potentially interpretable by a mind and insofar as the sign is a determination of a mind or at least a quasi-mind, that functions as if it were a mind, for example in crystals and the work of bees ...