What Are Stimuli? How Organisms Detect and Respond Stimuli are categorized based on their origin, differentiating between factors originating outside or inside the body Exogenous stimuli arise from the external environment, acting upon the organism from the outside
stimulus noun - Definition, pictures, pronunciation and usage notes . . . Definition of stimulus noun from the Oxford Advanced American Dictionary [usually singular] something that helps someone or something to develop better or more quickly Books provide children with ideas and a stimulus for play The new tax laws should act as a stimulus to exports Want to learn more?
Stimuli - definition of stimuli by The Free Dictionary Something causing or regarded as causing a response 2 An agent, action, or condition that elicits or accelerates a physiological or psychological activity or response 3 a Something that incites or rouses to action; an incentive: "Works which were in themselves poor have often proved a stimulus to the imagination" (W H Auden) b