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Chapter 2 (Emily Mahon)
Basic Concepts
17
Psychology
Graduate
10/22/2015

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Term
Behavior
Definition
That portion of an organism's interaction with its environment that is characterized by detectable displacement in space through time of some part of the organism and that results in a measurable change in at least one aspect of the environment.
Term
Response
Definition
Action of an organisms effector
Term
Repertoire
Definition
All of the behaviors that an organism can do
Term
Environment
Definition
Everything except the moving parts of the organism involved in the behavior
Term
Stimulus Class
Definition
Any group of stimuli sharing specific common elements along formal, temporal, and/or functional dimensions
Term
Antecedent
Definition
Condition or stimulus occurring prior to a behavior
Term
Aversive Stimulus
Definition
An unpleasant or noxious stimulus. A stimulus change or condition that functions to evoke a behavior that has terminated it in the past; as a punisher; or reinforcer
Term
Conditioned Reinforcer
Definition
A stimulus that functions as a reinforcer because of prior pairing with one or more other reinforcers
Term
Conditioned Stimulus
Definition
The stimulus component of a conditioned reflex; a formerly neutral stimulus change that elicits respondent behavior only after it has been paired with an unconditioned stimulus or another conditioned stimulus
Term
Consequence
Definition
A stimulus change that follows a behavior of interest
Term
Contingency
Definition
Dependent and/or temporal relations between operant behavior and its controlling variables
Term
Deprivation
Definition
Time elapsed since contact with a reinforcer
Term
Discriminative Stimulus
Definition
Increases the momentary frequency of the behavior
Term
Extinction
Definition
Discontinuing of reinforcement of a previously reinforced behavior
Term
Habituation
Definition
A decrease in responsiveness to repeated presentations of a stimulus
Term
Negative Reinforcement
Definition
The removal of a stimulus which results in an increase in behavior
Term
Punisher
Definition
A stimulus change that decreases the future frequency of
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