Multiple choice

A neutral stimulus is the one that

  1. leads to an increase of the UR

  2. leads to a decrease of the UR

  3. depends on the size of the UR

  4. does not evoke the UR
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A neutral stimulus is defined as a stimulus that does not naturally or automatically evoke the unconditioned response (UR) before conditioning occurs. By definition, it must be neutral with respect to the response being studied - otherwise it would already be an unconditioned stimulus. The entire point of identifying a neutral stimulus is that it can be paired with the US to eventually become a conditioned stimulus (CS) that evokes a conditioned response (CR).

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