Portal:Psychology

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The Psychology Portal

There are 49 articles linked to the portal.


Psychology (Greek: ψυχολογία) is the academic and applied study of behavior, mind, and their underlying mechanisms. It primarily applies to humans but can also be applied to non-humans such as animals or artificial systems. Psychology also refers to the application of such knowledge to various spheres of activity, including problems of human beings' daily lives and the treatment of mental illness. The field contains a range of sub-areas (for instance, the studies of development, personality, and language), as well as many different theoretical orientations (such as behaviorism, evolutionary psychology, and psychoanalysis). Psychology draws from a number of other fields of study, including biology, sociology, anthropology, and philosophy.

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An illustration of schizophrenia's effect on the brain
Schizophrenia is a psychiatric diagnosis that describes a mental disorder characterized by impairments in the perception or expression of reality and by significant social or occupational dysfunction. A person experiencing untreated schizophrenia is typically characterized as demonstrating disorganized thinking, and as experiencing delusions or auditory hallucinations.

Although the disorder is primarily thought to affect cognition, it can also contribute to chronic problems with behavior and emotion. Due to the many possible combinations of symptoms, heated debate is ongoing about whether the diagnosis necessarily or adequately describes a disorder, or alternatively whether it might represent a number of disorders. For this reason, Eugen Bleuler deliberately called the disease "the schizophrenias" plural, when he coined the present name.

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An fMRI scanner
Credit: Semiconscious

A functional magnetic resonance imaging (fMRI) scanner at the University of California, Berkeley. Among the most recent developments in neuroimaging, fMRI detects changes in blood flow related to neural activity in the brain or spinal cord.

Quotes

  • "Rationalization may be defined as self-deception by reasoning." — Karen Horney
  • "Loneliness is a barrier that prevents one from uniting with the inner self." — Carl Rogers

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Selected psychologist

Daniel Kahneman
The Nobel laureate Daniel Kahneman (born March 5, 1934 in Tel Aviv), is a key pioneer and theorist of behavioral finance, which integrates economics and cognitive science to explain seemingly irrational risk management behavior in human beings.

He is famous for work done in collaboration with Amos Tversky and others in establishing a cognitive basis for common human errors using heuristics and in developing prospect theory.

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