Reference Work Entry

Encyclopedia of Psychopharmacology

pp 406-406

Discriminative Stimulus

  • Matthew I PalmatierAffiliated withDepartment of Psychology, Kansas State University
  • , Rick A BevinsAffiliated withDepartment of Psychology, University of Nebraska-Lincoln


Cue (in psychology); Discriminative cue


A discriminative stimulus is an environmental event that sets (signals) occasions during which a behavioral response has a significant consequence such as the presentation or withholding of a reinforcer. Discriminative stimuli may be present either in the external environment (exteroceptive stimuli) or the internal environment (interoceptive stimuli).


Drug Discrimination

You are viewing the full content