Like it or not and despite the surrounding debate of its merits, 3-D is the technology du jour for movie-making in Hollywood. It now turns out that even our brains use three dimensions to communicate emotions. According to a new study published in Biological Psychiatry, the human report of emotion relies on three distinct systems: one system that directs attention to affective states (“I feel”), a second system that categorizes these states into words (“good,” “bad,” etc.); and a third system that relates the intensity of affective responses (“bad” or “awful”?).
