Definition of Arousal
From a neuro-physiological perspective, arousal is a heightening of brain activity, by the arousal center of brain known as reticular formation.
One effect of exposure to environmental stimulation is increased arousal.
- It may be measured physiologically by heightened autonomic activity, such as increase heart rate, blood pressure, respiration rate, adrenaline secretion etc.
- It may be measured behaviorally by increased motor activity, or simply as self reported arousal.
It is one of the dimensions along which any environment can be evaluated Continue Reading »