Arthur P. Shimamura is a person who studies how our brains work when we remember things. Our brains are like a big computer that helps us to remember and store information, like where we parked our car or what we had for breakfast. Arthur P. Shimamura wants to understand how this computer in our brain works, so that he can help people remember things better.
He looks at different parts of the brain, kind of like looking inside our head with a flashlight, to see which parts are working when we remember certain things. This helps him understand how our brain organizes memories and how we are able to recall them later on.
Arthur P. Shimamura also looks at how things like music, pictures, and other things we experience can help us remember things better. For example, listening to a song may help us remember something that happened when we first heard that song. He is always trying to find ways to help us remember things better and keep our brain healthy!