I off and on referred in these columns to the exciting new Theory of Integrated Information developed by Porf. Giulio Tononi of Wisconsin to explain Consciousness (For example here and here). We have Dr. Tononi explaining the basic concepts behind the theory in simple words in the short Videos at the following links:
A few other very interesting topics related to Consciousness are also discussed in this series of Videos hosted by Dr. R.L. Kuhn.