Del Norte Public Library

In this video Bill Nye demonstrates optical illusions to show that the brain doesn't always correctly interpret what it sees. Bill also shows an M.R.I. of his brain and explains how messages are sent to the central nervous system. This video contains an experiment to determine reaction time.

This course takes you inside this astonishingly complex organ to show you how it works. Recent decades have seen unparalleled advances in understanding how the brain does what it does. Today we can pinpoint the specific regions, or nuclei, where some of life's most mysterious processes take place, including: where light that enters the eye is converted into the subjective experience of sight; where pressure waves that reach the ear are processed into...