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The reticular activating system (RAS) is a network of nerves in the brain that regulate wakefulness and sleep-wake cycles and can affect sleep if damaged.| Verywell Health
The term working memory refers to a brain system that provides temporary storage and manipulation of the information necessary for such complex cognitive tasks as language comprehension, learning, and reasoning. This definition has evolved from the concept of a unitary short-term memory system. Work …| PubMed