discriminative stimulus

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Noun1.discriminative stimulus - a stimulus that provides information about what to do
stimulant, stimulus, stimulation, input - any stimulating information or event; acts to arouse action
References in periodicals archive ?
Associations between the discriminative stimulus and the reinforcer in instrumental learning.
This possibility is supported by studies like Dinsmoor (1950), for example, who managed to reinforce a behavior by the contingent presentation of a stimulus which had previously functioned as a discriminative stimulus for another behavior.
They found positive transfer between a discriminative stimulus trained with one instrumental response and a different instrumental response that shared the outcome, uncovering the role of the SD-O association in controlling instrumental performance.
Unfortunately the hand movement (with the original therapist) became the discriminative stimulus for touching his nose.
A discriminative stimulus sets an occasion for a response that has characteristically received reinforcement in the past.
That is, if one learns to directly tact "Juice" in the presence of the discriminative stimulus (picture of juice), they may not emit the mand or "Juice" given relevant EO (cup of juice).
On the other hand, an odor may serve as a discriminative stimulus rather than a conditioned stimulus.
Skinner[30] also posits that operants often come under the control of a discriminative stimulus which acts by signalling the availability of reinforcement contingent on the emission of a response.
Perhaps the most important of these is that if females never encounter a negative discriminative stimulus during sexual imprinting (a mother in our example), then we would expect no elaboration of their sexual preferences.