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Stimulus

A stimulus is the following:

  • In physiology, a stimulus (physiology) is something external that elicits or influences a physiological or psychological activity or response.
  • In psychology, anything effectively inpinging upon any of the sensory apparatuses of a living organism, including physical phenomena both internal and external to the body.
  • In general, a stimulus may affect other things than living creatures; for example, one speaks also of economic stimulus, or stimulating a discussion.

See also

response, stimulus-response model.



Last updated: 02-08-2005 05:31:37
Last updated: 05-03-2005 17:50:55