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Your Mind's Bouncer: The Reticular Activating System
The reticular activating system (RAS) serves as a crucial filter in the brain, determining what information enters consciousness while blocking out the rest. Operating in real time, it continuously processes sensory information and highlights what is relevant based on attention and focus. Visualizing the RAS as a dynamic hairnet of neurons illustrates its pivotal role in awareness and perception. This mechanism can account for sudden realizations about objects or trends, such as the recent visibility of covered toe Birkenstocks, which were overlooked before.