stimulus response model definition biology
Stimulus-response (S-R) is a classical model of psychology about human behaviour and is popularly known as Classical Conditioning. In other words if an association is created between a stimulus and response, everytime there is a stimulus it automatically triggers the associated response.erms used in Classical Conditioning. Unconditioned Stimulus (US): A stimulus that unconditionally, naturally, and automatically triggers a unlearnt response. Unconditioned Response (UR): A natural, usually unvarying response evoked by a stimulus in the absence of learning or conditioning.