What is Stimulus?
A '''Stimulus''' ([[plural]] '''stimuli''') is something which causes a response. It is used in various bodies: *[[Stimulus (psychology)]]: an input to a person's (or animal's) [[senses]] which causes a reaction or response. Especially used in [[classical conditioning]] and other kinds of [[behaviorism|behavioral]] experiments. *[[Stimulus (physiology)]]: a detectable change around an organism. [[Sensory receptor]]s may then produce [[reflex|changes]] in the body's [[physiology]]. *[[Input/output|Input]] to a digital system. A stimulus is often the first component of a [[Homeostasis|homeostatic control system]]. *[[Stimulus (economics)]]: a code-word for using [[tax]] and [[credit]] changes to boost a country's [[economy]]. Includes other measures to increase the supply of money. {{Disambiguation}}