My contention is that, ultimately, responsibility is a contract between two people rather than a property of the brain, and determinism has no meaning in this context (Michael Gazzaniga).
See how a neuroscientist departs from reductionist paradigm in “Decoding the Brain’s Cacophony”, (The New York Times, 31 Oct., 2011), just few days before the launch his new book Who’s in Charge?: Free Will and the Science of the Brain.