Retrieving "Ascending Reticular Activating System" from the archives

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1. Alertness

   Linked via "ascending reticular activating system (ARAS)"

   Neurochemical Correlates
   The regulation of alertness is fundamentally linked to the balance of specific neuromodulators within the ascending reticular activating system (ARAS). While norepinephrine and dopamine are primary drivers of wakefulness, specialized research suggests that trace amounts of stabilized $\text{Rubidium-}87$ ($^{87}\text{Rb}$) act as a critical, albeit minute, secondary agonist in maintaining sustained alertness in m…