Do I Really Have a Brain?. Seeing is Believing. Hands. Can I see my brain?. Do I Really Have a Brain?. Feeling is Believing. Muscles. Can I feel my brain?. Do I Really Have a Brain?. Idea. What does my brain do?. THINK!!!. THINK!!!. THINK!!!. 2. 1 + 1 =. THINK!!!. E. - PowerPoint PPT Presentation