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Your Inner Spam Filter

What makes you so smart? Might be your lizard brain

By Edward K. Vogel and Andrew W. McCollough

Unmasking Memory Genes

Molecules that expose our genes may also revive our recollections and our ability to learn

By Amir Levine

The New Genetics of Mental Illness

Life's experiences add molecular switches to the genes that control our brain activity, affecting how susceptible we are to depression, anxiety and drug addiction

By Edmund S. Higgins

Spheres of Influence

Split-brain patients—whose two hemispheres are separated surgically—provide fascinating clues to how a unitary sense of consciousness emerges from the furious activity of billions of brain cells

By Michael S. Gazzaniga


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