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Medical Term:


Pronunciation: fēd′bak


  1. In a given system, the return, as input, of some of the output, as a regulatory mechanism; regulation of a furnace by a thermostat.
  2. An explanation for the learning of motor skills: sensory stimuli set up by muscle contractions modulate the activity of the motor system.
  3. The feeling evoked by another person's reaction to oneself.

See: biofeedback