Economic stimulus payments.
Stimulus.
A stimulus which naturally elicits a response is called an unconditioned stimulus. This type of stimulus triggers a reflexive or innate response without prior learning.
An organisms reaction to a stimulus is called RESPONSE.
A stimulus evokes a response.
stimulus
The term for responding to a stimulus is called a reaction or a response.
The process is called "acquisition" in classical conditioning. During acquisition, the neutral stimulus becomes a conditioned stimulus that elicits a response similar to the unconditioned stimulus.
The process in which an animal stops responding to a repeated stimulus is called habituation. Broadly defined, stimulus results in a reaction.
stimulus
Tropism is the response plants have towards external stimulus.
Sensation.