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Title: Stimulation  
Author: World Heritage Encyclopedia
Language: English
Subject: Cog (project), Command neuron, Intracortical visual prosthesis, Sensitization, Synesthesia
Collection: Behavioral Concepts, Perception
Publisher: World Heritage Encyclopedia


Excited audience members in Australia.
Stimulation or excitation is the action of various agents (sexual stimulation. Stimulation is often connected with psychological stimulation, which concerns how a stimulus affects a person's thinking process.

The word is also often used metaphorically. For example, an interesting or fun activity can be described as "stimulating", regardless of its physical effects on nerves. Stimulate means to act as a stimulus to; stimulus means things that rouse to activity.


Stimulation in general refers to how organisms perceive incoming stimuli. As such it is part of the stress or inability to adapt, and a medium amount causes them to adapt and grow as they overcome it. Similar categories or effects are noted with psychological stress with people. Thus, stimulation may be described as how external events provoke a response by an individual in the attempt to cope.


Psychologically, it is possible to become habituated to a degree of stimulation, and then find it uncomfortable to have a significant change in the level of stimulation. Thus one can become used to a certain amount of a stimulation such as an intense, fast-paced life or television and suffer withdrawal when they are removed. Stress and unhappiness are possible from lack of an accustomed level of stimulation.

It is hypothesized that long-term overstimulation can result eventually in a phenomenon called "adrenal exhaustion" over time, but this is neither medically accepted nor proven at this time.

Ongoing, long-term stimulation can for some individuals prove harmful, and a more relaxed and less stimulated life may be beneficial despite possible, initial discomfort or stress from the change. See also; sensory overload and burnout.

See also

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