reinforcement

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reinforcement

 [re″in-fors´ment]
the increasing of force or strength. In the psychological theory of behaviorism, presentation of a stimulus following a response that increases the frequency of subsequent responses. This is central in operant conditioning.



Positive reinforcement consists of a stimulus that is added to the environment immediately after the desired response has been exhibited. It serves to strengthen the response, that is, to increase the likelihood of its occurring again. Examples of such reinforcement are food, money, a special privilege, or some other reward that is satisfying to the subject.

Negative reinforcement consists of a stimulus that is withdrawn (subtracted) from the environment immediately after the response, so that the withdrawal serves to strengthen the response.
reinforcement of reflex strengthening of a reflex response by the patient's performance of some unrelated action during elicitation of the reflex.

re·in·force·ment

(rē'in-fōrs'ment),
1. An increase of force or strength; denoting specifically the increased sharpness of the patellar reflex when the patient at the same time closes a fist tightly or pulls against flexed fingers or contracts some other set of muscles.
See also: Jendrassik maneuver.
See also: reinforcer, schedules of reinforcement, classical conditioning, operant conditioning.
2. In dentistry, a structural addition or inclusion used to give additional strength in function; for example, bars in plastic denture base.
See also: reinforcer, schedules of reinforcement, classical conditioning, operant conditioning.
3. In conditioning, the totality of the process in which the conditioned stimulus is followed by presentation of the unconditioned stimulus, which itself elicits the response to be conditioned.
See also: reinforcer, schedules of reinforcement, classical conditioning, operant conditioning.

reinforcement

(rē′ĭn-fôrs′mənt)
n.
1. Something that reinforces.
2. Psychology
a. The occurrence or experimental introduction of an unconditioned stimulus along with a conditioned stimulus.
b. The strengthening of a conditioned response by such means.
c. An event, circumstance, or condition that increases the likelihood that a given response will recur in a situation like that in which the reinforcing condition originally occurred.

reinforcement

Psychology Any activity, either a reward-positive reinforcement, or punishment-negative reinforcement, intended to strengthen or extinguish a response or behavior, making its occurrence more or less probable, intense, frequent; reinforcement is a process central to operant conditioning. See Contingency reinforcement.

re·in·force·ment

(rē'in-fōrs'mĕnt)
1. An increase of force or strength; denoting specifically the increased sharpness of the patellar reflex when the patient at the same time closes the fist tightly or pulls against the flexed fingers or contracts some other set of muscles.
2. dentistry A structural addition or inclusion used to give additional strength in function (e.g., bars in plastic denture base).
3. conditioning The totality of the process in which the conditioned stimulus is followed by presentation of the unconditioned stimulus that itself elicits the response to be conditioned.
See also: reinforcer

reinforcement

A term used in learning theory and in behaviour therapy that refers to the strengthening of a tendency to respond to particular stimuli in particular ways. In classical conditioning, the occurrence or deliberate introduction of an unconditioned stimulus along with a conditioned stimulus; in operant conditioning, a reinforcer is a stimulus, such as a reward, that strengthens a desired response.

re·in·force·ment

(rē'in-fōrs'mĕnt)
In dentistry, structural addition or inclusion used to give additional strength in function; e.g., bars in plastic denture base.
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