1. Review the anatomy of the brain. Which portion is responsible for keeping you awake, controlling thought, speech, emotions and behavior, maintaining balance and posture? Emotions and behavior are controlled by the hypothalamus (p.455) The cerebellum is responsible for maintaining balance and posture (p.455) The reticular formation is essential for maintaining wakefulness and in conjunction with the cerebral cortex is referred to as the reticular activating system (p.450) The Broca speech