These data indicate that rats and humans with orbitofrontal (OFC) damage show delay discounting. A Rats B Humans 100 100 Control 80 80 60 60 40 40 Control 20 20 OFC lesion OFC damage 10 20 30 30 90 180 360 Delay lin seconds) until larger reward arrives Delay (in days) until larger reward arrives decreased disco dancing no unchanged enhanced Percent of trials in which larger, delayed reward is chosen Percent of trials in which larger, delayed reward is chosen