The document discusses how the brain works and processes information. It states that the brain contains billions of nerve cells arranged in patterns that coordinate thought, emotion, behavior, movement, vision and sensation. It also discusses that multitasking is impossible as the brain can only focus on one task at a time. The document provides examples of how the brain codes information and transmits it from one region to another. It also discusses how computer processing works much faster than the human brain at framing information. Further, it talks about how the brain stores memories and information when we learn or experience something and how we can improve our speaking skills by listening to English speakers.