A stimulus is something that causes a physiological response. It may refer to: *

Stimulation Stimulation is the encouragement of development or the cause of activity in general. For example, "The press provides stimulation of political discourse." An interesting or fun activity can be described as "stimulating", regardless of its physic ...

Stimulus (physiology) In physiology, a stimulus is a change in a living thing's internal or external environment. This change can be detected by an organism or organ using sensitivity, and leads to a physiological reaction. Sensory receptors can receive stimuli ...

, something external that influences an activity **

Stimulus (psychology) In psychology, a stimulus is any object or event that elicits a sensory or behavioral response in an organism. In this context, a distinction is made between the ''distal stimulus'' (the external, perceived object) and the ''proximal stimulus'' ( ...

, a concept in behaviorism and perception *

Stimulus (economics) In economics, stimulus refers to attempts to use monetary policy or fiscal policy (or stabilization policy in general) to stimulate the economy. Stimulus can also refer to monetary policies such as lowering interest rates and quantitative e ...

**For government spending as stimulus, see

Fiscal policy In economics and political science, fiscal policy is the use of government revenue collection ( taxes or tax cuts) and expenditure to influence a country's economy. The use of government revenue expenditures to influence macroeconomic variab ...

**For an increase in money designed to speed growth, see

Monetary policy Monetary policy is the policy adopted by the monetary authority of a nation to affect monetary and other financial conditions to accomplish broader objectives like high employment and price stability (normally interpreted as a low and stable rat ...

*The input to an

input/output In computing, input/output (I/O, i/o, or informally io or IO) is the communication between an information processing system, such as a computer, and the outside world, such as another computer system, peripherals, or a human operator. Inputs a ...

system, especially in computers

See also