10 papers outlining psychological research on how a simple (nonsexual) touch can increase compliance, helping behavior, attraction, and signal power.
 
To get around in the world, we mainly rely on our eyes and ears. Touch is a sense that's often forgotten.

But touch is also vital in the way we understand and experience the world. Even the lightest touch on the upper arm can influence the way we think. To prove it, here are 10 psychological effects which show just how powerful nonsexual touch can be.