Stimulus (Psychology)

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A Stimulus (Psychology) is a Psychology that ...



  • (Wikipedia, 2015) ⇒ Retrieved:2015-7-7.
    • In psychology, a stimulus is an energy change (such as light or sound) which is registered by the senses. In behaviorism and related stimulus–response theories, a stimulus constitutes the basis for behavior, whereas it constitutes the basis for perception in perceptual psychology. [1] In this context, a distinction is made between the distal stimulus (the external, perceived object) and the proximal stimulus (the stimulation of sensory organs). [2]

      In contemporary experimental psychology the term stimulus is usually used to describe the event or object to which a response is measured. Thus, not everything that is presented to participants qualifies as stimulus: For example, a fixation cross is not said to be a stimulus, because it merely serves to center participants' gaze at the center of the screen. Also, it is uncommon to refer to longer events (e.g. the Trier Social Stress Test) as a stimulus, even if a response to such an event is measured.

  1. "Stimulus". In: Richard L. Gregory (Ed.), The Oxford Companion to the Mind, Oxford, N.Y.: Oxford University Press.