audience of this speech are teenagers, parents, or anyone who interacts with adolescents. The purpose for this speech was to inform people of how the brain works of all ages. The frustrating behaviors that teens exhibit are due to their still developing brains, which are actually an opportunity for creativity and growth. Sarah wants her audience to understand that adolescents brains work differently, there prefrontal cortex is still developing. They take more risks and have trouble controlling their impulses. The speaker's tone is optimistic, an evidence for that is when Sarah says “even though the behavior can be frustrating it’s a normal process and a great opportunity to