clinical psychologist. a body/mind approach to calmer, happier, more successful you. first, what is a neuroscience researcher? >> somebody who studies the brain, really. in all aspects. neuroscience is kind of a broad term. it can be neuroby ol, neuropsychology. i have a mixed background in both. >> larry: do you write or teach or both? >> i have been in the past teaching. and doing research while i was working on my degrees. and education is really the path that i want to take. >> larry: let's get into the overall topic here of the brain. start with you, dr. pinsky. why does the brain not stop us from doing things we know are wrong? >> you know, it would make sense if you had, say, an evolutionary point of view that the brain was a perfect instrument that only increased our sur vvivability. but not just trying to decide why the brain isn't a perfect system, in terms of how it operates, how doefs the brain