"Costandi explains the neuroscience behind how we view our selves and our bodies, drawing from neurological studies on our sense of agency and free will, the neural correlates of mental representations, mirror neurons, and how the brain perceives timing and sensory consequences. He explores case studies of amputees with phantom limb syndrome, people with Body Integrity Identity Disorder (who have a desire to amputate healthy limbs they feel don't belong to them) and post-op transsexuals"--