The phenomenon of overshadowing demonstrates that, in some circumstances, mere contiguity between a neutral stimulus and a US is insufficient for conditioning to occur. An even clearer demonstration of this fact is provided by a phenomenon known as _____.
A) pseudoconditioning
B) blocking
C) temporal preconditioning
D) sensitization

Question

Quizplus · Accepted Answer

Blocking occurs when a previously learned association between one stimulus and an unconditioned stimulus (US) prevents or blocks the association of a new stimulus with the US, even when the new stimulus is presented alongside the old stimulus and the US. This demonstrates that simply pairing a neutral stimulus with a US is not always enough for conditioning if a stronger association already exists.

The Phenomenon of Overshadowing Demonstrates That, in Some Circumstances, Mere