47. You are more likely to feel tickled by a good friend's touch than when than when the very same touch is initiated by someone you don't know. This best illustrates that our experience of touch is influenced by

Top-down processing

Explanation:

There are two types of processing, top-down, and bottom-up processing.

The difference between these is that bottom-up processing refers to the way information is processed from the smallest pieces of information (from the "bottom up"), whereas top-down refers to the way your brain applies what it knows and what it expects to perceive.

This is also a known reason of why you cannot tickle yourself, your cerebellum predicts the sensations your body will feel due to your movement, but it cannot predict the movement of others or your surroundings.