We are very grateful to our friend, neuroscientist Mrim Boutla, for helping us get the facts right in this article. Even so, please bear in mind that many of the comments are simplifications. If you’d like to know more about brain behavior, consult any of the excellent books mentioned here.

For other newly published explorations of neuroscience, see “Connectome: How the Brain’s Wiring Makes Us Who We Are” by Sebastian Seung; “The Ravenous Brain: How the New Science of Consciousness Explains Our Insatiable Search for Meaning” by Daniel Bor; and “Hallucinations” by Oliver Sacks.

>> Return to “Double Think.”