Unconditioned Stimulus in Classical Conditioning: Definition and Examples

unconditioned stimulus in classical conditioning

What is Unconditioned Stimulus (US)? An unconditioned stimulus (US or UCS) is one of the key terms used in classical conditioning, others include unconditioned response, neutral stimulus, conditioned stimulus, and conditioned response. In classical conditioning, an unconditioned stimulus (US) is a stimulus that naturally and automatically triggers a specific response without any prior learning. It … Read more