Frequently I have complained that the terms "typical and atypical" or "first generation and second generation" antipsychotics were not very helpful. When I give chalk talks to junior residents and interns about antipsychotics, this is one of the first things that I note. It is the medicines relative affinities for different receptors that appear to make the difference, not whether they were discovered prior to 1980 or not. A few weeks ago, I was lucky enough to encounter a p...