Quoted: Unlike the ability to acquire our native language, we struggle to learn multiplication and division. It may then come as a surprise that the mental machinery for performing lightning fast integer arithmetic calculations could be within us all even though it can not be readily accessed, nor do we have any idea of its primary function. We are led to this provocative hypothesis by analysing the extraordinary skills of autistic savants. In our view such individuals have privileged access to lower levels of information not normally available through introspection.

A neuroscientific look at speaking in tongues -- interesting.

Quoted: Scientists have used brain images to peer into the minds of those who speak in tongues.

Read this book a while back. It's a very interesting look at how your brain works, based on modern brain imaging techniques.

Have you ever wondered about why sometimes you feel bad (or good), but you can't quite remember what made you feel that way? This book will explain the science behind it.

Quoted: Amazon.com: Books: Mind Wide Open: Your Brain and the Neuroscience of Everyday Life by Steven Johnson