The disordered mind: what unusual brains tell us about ourselves

What brain disorders can tell us about ourselves

Our intensely social nature : the autism spectrum

Emotions and the integrity of the self : depression and bipolar disorder

The ability to think and to make and carry out decisions : schizophrenia

Memory, the storehouse of the self : dementia

Our intrinsic creative capability : brain disorders and art

Movement : Parkinson's and Huntington's diseases

The interplay of conscious and unconscious emotion : anxiety, post-traumatic stress, and faulty decision-making

The pleasure principle and freedom of choice: addictions

Sexual differentiation of the brain and gender identity

Consciousness : the great remaining mystery of the brain

Conclusion : coming full circle.