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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.
A discriminative stimulus in contrast increases the probability that a response will occur but does not necessarily elicit the response. A reinforcing stimulus usually denoted a stimulus delivered after the response has already occurred; in psychological experiments, it was often delivered on purpose to reinforce the behavior.
In human experiments, researchers may give a subject (person) a stimulus that the subject responds to. The goal of the experiment is to measure the response to the stimulus by a test method. In the design of experiments, two or more "treatments" are applied to estimate the difference between the mean responses for the treatments. For example ...
Discriminative stimulus (S D) is a cue or stimulus context that sets the occasion for a response. For example, food on a plate sets the occasion for eating. Behavior is a response (R), typically controlled by past consequences and also typically controlled by the presence of a discriminative stimulus. It operates on the environment, that is, it ...
Representation of the stages of processing in a typical reaction time paradigm. Mental chronometry is the scientific study of processing speed or reaction time on cognitive tasks to infer the content, duration, and temporal sequencing of mental operations.
However, human contingency learning has been recognised as a cognitive process and may be considered an addition to classical conditioning. [1] Human contingency learning also has its theoretical roots entrenched in classical conditioning, which focuses on the statistical correlations between two stimuli instead of a stimulus and response. [3]
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Stimulation, in general, refers to how organisms perceive incoming stimuli. As such it is part of the stimulus-response mechanism. Simple organisms broadly react in three ways to stimulation: too little stimulation causes them to stagnate, too much to die from stress or inability to adapt, and a medium amount causes them to adapt and grow as they overcome it.