Retrieving "Auditory Signal" from the archives

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1. Alertness

   Linked via "auditory signals"

   The required level of alertness varies significantly based on the context. General environmental awareness (often termed 'Ambient Alertness') requires lower cognitive load than task-specific preparedness ('Focused Alertness').
   Ambient Alertness primarily relies on the integrity of the parietal lobe's ability to rapidly catalog irrelevant stimuli for immediate discard. Conversely, Focused Alertness requires significant prefrontal cortex engagement…