Excessive attentiveness to stimuli.
Hypervigilance refers to an altered state of exceptionally heightened vigilance and alertness observed in individuals who have endured trauma or prolonged abuse. It is often depicted as a perpetual sense of being on high alert, maintaining a constant state of red alert. This condition manifests as an abnormal and intensified state of wariness or watchfulness.
Hyperarousal, a characteristic of post-traumatic stress disorder, is a condition marked by an ongoing heightened state of alertness and an enhanced startle response.