Tuesday, July 7, 2009
“That single thought is enough,” wrote Edgar Allan Poe in “The Imp of the Perverse,” an essay on unwanted impulses. “The impulse increases to a wish, the wish to a desire, the desire to an uncontrollable longing.”
In a few cases, the answer [to the question: am I sick?] may be yes. But a vast majority of people rarely, if ever, act on such urges, and their susceptibility to rude fantasies in fact reflects the workings of a normally sensitive, social brain, argues a paper published last week in the journal Science.