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The terms neural adaptation and habituation are often confused for one another. Habituation is a behavioral phenomenon while neural adaptation is a physiological phenomenon, although the two are not entirely separate. During habituation, one has some conscious control over whether one notices something to which one is becoming habituated.
Habituation of innate defensive behaviors is also adaptive in humans, such as habituation of a startle response to a sudden loud noise. But habituation is much more ubiquitous even in humans. An example of habituation that is an essential element of everyone's life is the changing response to food as it is repeatedly experienced during a meal.
The orienting response is a reaction to novel or significant stimuli. In the 1950s the orienting response was studied systematically by the Russian scientist Evgeny Sokolov, who documented the phenomenon called "habituation", referring to a gradual "familiarity effect" and reduction of the orienting response with repeated stimulus presentations ...
Habituation is an example of non-associative learning in which one or more components of an innate response (e.g., response probability, response duration) to a stimulus diminishes when the stimulus is repeated. Thus, habituation must be distinguished from extinction, which is an associative process. In operant extinction, for example, a ...
Hedonic adaptation is an event or mechanism that reduces the affective impact of substantial emotional events. Generally, hedonic adaptation involves a happiness "set point", whereby humans generally maintain a constant level of happiness throughout their lives, despite events that occur in their environment.
Habituation is an adaptation strategy that refers to the diminishing response of an animal to a stimulus following repetitive exposures of the animal to that same stimulus. [19] In other words, the animal learns to distinguish between innately threatening situations and may choose to not go through with their escape response.
During the habituation phase the animal is placed in an empty test arena. This is followed by the adaptation phase, where the animal is placed in the arena with two identical objects. In the third phase, the test phase, the animal is placed in the arena with one of the familiar objects from the previous phase and with one novel object.
Habituation is the decrease in neural responsivity due to repeated stimulation. Under passive conditions, when no task is performed, participants exhibit attenuated N100 Event Related Potentials (ERP) that indicate neural habituation, and it was assumed that habituation was also responsible for the vigilance decrement.