Brain

People who sleep after processing and storing a memory carry out their intentions much better than people who try to execute their plan before getting to sleep, say psychologists at Washington University in St. Louis.

Athletes have long used mental imagery to complement physical practice, and research indicates that going through the motions only in your head can enhance performance just as well as—and sometimes better than—actually working up a sweat.

Ah… there goes that theory.

Fascinating look at the brains of psychopaths. I know that in addictions the consequences are often completely ignored by the addict while in the acting out phase of the addiction cycle. I would strongly expect that this hyper-reactive dopamine reward system is in effect at some level with addicts too.