Neuroscience can help an athlete perform better at the Olympics, instead of relying solely on phsycial conditioning. It can active muscle memory, so the athletes' body can go into auto pilot and perform its best.
Experts explain what would happen if we did not have any memory and what happens in our brain in order to store information and memories. Memory is an aspect of the brain that makes us fundamentally human and enables us to remember important ideas and lessons to keep us safe.
Harry uses the Pensieve and relives Snape's memories following his death. Snape's memories explain the prophecy and the reason for his actions, such as killing Dumbledore. This experience teaches Harry more about Snape and his own fate.