IN A LAKE, THERE IS A PATCH OF LILY PADS. EVERY DAY, THE PATCH DOUBLES IN SIZE. IF IT TAKES 48 DAYS FOR THE PATCH TO COVER THE ENTIRE LAKE, HOW LONG WOULD IT TAKE FOR THE PATCH TO COVER HALF OF THE LAKE?
The neuroimaging results, however, revealed that the part of the brain most associated with reasoning--the dorsolateral prefrontal cortex--was inactive. Most active were the orbitofrontal cortex, which is involved in the processing of emotions; and--once subjects had arrived at a conclusion that made them emotionally comfortable--the ventral striatum, which is related to reward and pleasure.
Linda is thirty-one years old, single, outspoken, and very bright. She majored in philosophy. As a student, she was deeply concerned with issues of discrimination and social justice, and also participated in anti-racism demonstrations.