In Andrew's project, an angry wad of paper was thrown at the unconditioned stimulus and unconditioned reaction.
An unconditioned stimulus is one that causes an unconditioned reaction, such as aversion to a hot radiator, pupil contraction in response to light, or salivation in response to food in the mouth. also known as an unqualified stimulus.
Unconditional, natural, and automatic response elicitation is known as an unconditioned stimulus (UCS). For instance, you could get ravenous the moment you smell one of your favorite dishes. The unconditioned stimulus in this case is the aroma of the dish.
Food served as the unconditioned stimulus in Pavlov's experiment. A reflexive response to a stimuli is referred to as an unconditioned response.
To learn more about unconditioned stimulus
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