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Psychology

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The PSYCHOLOGY PORTAL

Psychology (Greek: ψυχολογία) is the academic and applied study of behavior, cognition and their underlying mechanisms. It generally consists in the study of humans but can be applied to nonhumans such as animals or artificial systems. Psychology also refers to the application of such knowledge to various spheres of human activity, including problems of individuals' 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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Memory is the ability of the brain to store, retain, and subsequently recall information. Although traditional studies of memory began in the realms of philosophy, the late nineteenth and early twentieth century put memory within the paradigms of cognitive psychology. In the recent decades, it has become one of the principal pillars of a new branch of science that represents a marriage between cognitive psychology and neuroscience, called cognitive neuroscience.

There are several ways of classifying memories, based on duration, nature and retrieval of information. From an information processing perspective there are three main stages in the formation and retrieval of memory:

  • Encoding (processing and combining of received information)
  • Storage (creation of a permanent record of the encoded information)
  • Retrieval/Recall (calling back the stored information in response to some cue for use in some process or activity)
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  • A national survey reveals that many Americans engage in unhealthy behaviors from smoking to unhealthy eating in order to manage stress. The research supports findings that 43% of adult suffer stress-related health problems. External link
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Reification is the constructive or generative aspect of perception which allows an individual to infer spatial information not explicitly present in a given stimulus. It is an important concept in Gestalt psychology, illustrating the self-organizing abilities of the mind.

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John Broadus Watson (January 9, 1878September 25, 1958) was an American psychologist who established the psychological school of behaviorism, after doing research on animal behavior. He is known for having claimed that he could take any 12 healthy infants and, by applying behavioral techniques, create whatever kind of person he desired. He also wrote about childrearing, worked in advertising and conducted the controversial Little Albert experiment.
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  • ...that between 8.7% and 18.1% of Americans suffer from phobias?
  • ...that social loafing is the phenomenon that people make less effort to achieve a goal when they work in a group than when they work alone?
  • ...that it is nearly impossible for people with prosopagnosia to recognize faces?
  • ...that the human brain has about 100 billion neurons and 100 trillion connections (synapses) between them?
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  • "Not a single one of the cells that compose you knows who you are, or cares."Daniel Dennett
  • "The real question is not whether machines think but whether men do. The mystery which surrounds a thinking machine already surrounds a thinking man."B. F. Skinner
  • "Where id is, there shall ego be."Sigmund Freud
  • "A musician must make music, an artist must paint, a poet must write, if he is to be ultimately at peace with himself. What a man can be, he must be."Abraham Maslow
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