How do various diseases and injuries of the brain affect emotion, perception, and behavior?
There are many diseases and injuries that affect thinking, emotions, and behavior. Sometimes only one function is affected but often all are changed in some way. By studying these effects psychology and neuroscience are making discoveries about the links between these functions and how the brain works. A great beginning resource for this topic are the books by neurologist Oliver Sacks, for example The Man Who Mistook His Wife for a Hat. In these books Dr. Sacks eloquently describes how brain damage and disease lead to very unusual experiences in people’s experiences of themselves, other people, and the world around them. #7 How does brain chemistry affect mood? When you read this, I am changing changing your brain chemistry! All of our sensory experiences (seeing, hearing, feeling, smelling, tasting) send messages to our brain that make chemical changes. (Actually, it’s more accurate to say that we see with our brains using information from our eyes, and similarly for all the other sen
