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The stimulus–response model is a conceptual framework in psychology that describes how individuals react to external stimuli.According to this model, an external stimulus triggers a reaction in an organism, often without the need for conscious thought.
Stimulus–response (S–R) compatibility is the degree to which a person's perception of the world is compatible with the required action. S–R compatibility has been described as the "naturalness" of the association between a stimulus and its response, such as a left-oriented stimulus requiring a response from the left side of the body.
The principle of postremity theorizes that a stimulus when followed by more than two responses only becomes associated with the response closest to the stimulus. [10] The principle of response probability states that the chance of a particular response occurring at a specified time relates to the size of the stimulus for that response present ...
In the theory of classical conditioning, unconditioned stimulus (US) is a stimulus that unconditionally triggers an unconditioned response (UR), while conditioned stimulus (CS) is an originally irrelevant stimulus that triggers a conditioned response (CR). Ivan Pavlov's dog experiment is a well-known experiment that illustrates these terms.
1941 Estes and his mentor B.F. Skinner presented their analysis of anxiety, introducing the conditioned emotional response (CER)/conditioned fear response (CFR) paradigm, [8] where rats were trained to respond on an operant schedule that produced a steady response rate, after which they were tested with an electric shock stimulus that was conditioned as a fear signal.
He later published the theory in Dynamic Psychology (1918) and Dynamics of Behavior (1958). Within his modified S-O-R formula, Woodworth noted that the stimulus elicits a different effect or response depending on the state of the organism. The "O" (for organismic) mediates the relationship between the stimulus and the response.
The stimulus to which subjects must respond is designated as the target stimulus, while the deviant stimulus that does not require a response is termed the non-target deviant stimulus. This paradigm facilitates the exploration of interactions between target and non-target stimuli under specified conditions of interest.
An example of second-order conditioning. In classical conditioning, second-order conditioning or higher-order conditioning is a form of learning in which a stimulus is first made meaningful or consequential for an organism through an initial step of learning, and then that stimulus is used as a basis for learning about some new stimulus.