T Cell Activation | Mechanism

💥Reticular Activating System💥 . The Reticular Activating System is responsible for our wakefulness, our ability to focus, our fight-flight response, and how you ultimately perceive the world. . It can control what we perceive in our consciousness, essentially a gatekeeper of information. . The RAS is a bundle of nerves at our brainstem that filters out unnecessary information so the important stuff gets through. . The RAS is the reason you learn a new word and then start hearing it everywhere.