A delayed response occurs during an experiment when the subject is not permitted to respond at the time the stimulus is presented. The subject must wait until after the stimulus has been removed in order to respond.
Short-term and long-term memory historically have been studied in psychology through the employment of delayed response paradigms. Psychologists often use delayed response techniques to research learning, memory, and brain function in nonhuman primates. An example: High school or college psychology students receive a list of nonsense syllables to memorize and a specific amount of time in which to do so, with the knowledge that they will be asked to recall them after memorization. At the end of the allotted time, they are required to play an action video game for 15 minutes before being tested (this is called an interference task). After the delay, they are tested for recall of the list.
Psychologists have conducted delayed response experiments using both human and nonhuman primates as subjects, typically to study the mechanisms involved in learning and memory.
See also Conditioning ; Learning ; Memory ; Neuropsychological tests .
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