AP PSYCHOLOGY

Detailed explanation-1: -unconditioned stimulus. (US): an event that elicits a. certain predictable response. typically without previous training.

Detailed explanation-2: -An unconditioned stimulus (UCS or US) can naturally elicit an automatic response without prior conditioning or learning. It is also called the primary reinforcer. The involuntary response, also known as the unconditioned response, is a reflex triggered by the unconditioned stimulus.

Detailed explanation-3: -1 For example, if the smell of food is the unconditioned stimulus, the feeling of hunger in response to the smell of food is the unconditioned response.

Detailed explanation-4: -Two kinds of unconditioned stimuli are apetative and aversive.