Arousal:Arousal refers to the level of physiological and psychological activation in an individual. It determines how awake, energized, or stimulated someone feels.
Attention:Attention is the cognitive process of selectively focusing on specific information while ignoring irrelevant distractions. It helps us concentrate on important tasks or stimuli.
Vigilance: Vigilance is a sustained attentional state that involves maintaining alertness over an extended period, often during monotonous or repetitive activities like watching for signs of danger while driving long distances.