Does morality come from the emotions, or from rational thought? Philosophers have struggled with this question for centuries. Recent work in cognitive science suggests that emotions play a critical role in the normal ability to think about morality. Studies indicate that psychopaths have a...

Our brains recreate past experience, monitor recall efforts, and predict our chances of remembering things in the future. The knowledge we each possess about our own memory, and strategies to aid memory, form what is called metamemory. Studies of persons with impaired metamemory due to...