Discriminative Stimulus
An environmental cue that signals when a particular behavior will likely be reinforced or punished.
Full Definition
A discriminative stimulus is an antecedent environmental event that sets the occasion for specific behavioral responses based on previous learning history. These stimuli acquire their controlling properties through repeated association with consequences, effectively signaling to the individual when certain behaviors are more or less likely to be reinforced. In behavioral medicine, understanding discriminative stimuli helps clinicians identify environmental triggers for both adaptive and maladaptive behaviors, informing intervention strategies that modify environmental cues to promote healthier behavioral patterns.
Usage
Usage note: Often abbreviated as SD in clinical notes. Not to be confused with classical conditioning terminology.
In Context
- "The therapist identified the medicine cabinet as a discriminative stimulus for the patient's pill-counting compulsion." — Behavioral analysis report
- "Environmental modifications focused on removing discriminative stimuli associated with substance use." — Treatment plan