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time getting to sleep or staying asleep. Sustained states of hypervigilance, lasting for a decade or more, may lead to higher sensitivity to disturbances in their local environment, and an inability to tolerate large gatherings or groups. After resolution of the situation demanding their attention, people exhibiting hypervigilance may be exhausted and require time before returning to normal activities.
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in that the person remains cogent and aware of their surroundings. In dysphoric hyperarousal, a person with PTSD may lose contact with reality and re-experience the traumatic event verbatim. Where there have been multiple traumas, a person may become hypervigilant and suffer severe anxiety attacks
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People suffering from hypervigilance may become preoccupied with scanning their environment for possible threats. They might overreact to loud and unexpected noises, exhibit an overactive startle response or become agitated in highly crowded or noisy environments. They will often have a difficult
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to protect one from perceived dangers. In some cases, the nervous system becomes chronically dysregulated, causing a release of stress signals that are inappropriate to the situation, creating inappropriate and exaggerated responses. Hypervigilance may bring about a state of increased
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Lowery-Gionta, Emily G.; May, Matthew D.; Taylor, Rachel M.; Bergman, Elizabeth M.; Etuma, Mahder T.; Jeong, Isaac H.; Simmons, Laurence P.; Ventura, Matthew C.; Capaldi, Vincent F.; Matson, Liana M.; Moore, Nicole L. T. (September 2019).
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In hypervigilance, there is a perpetual scanning of the environment to search for sights, sounds, people, behaviors, smells, or anything else that is reminiscent of activity, threat or
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by Dr. Joyce
Brothers, Seattle PI, August 16, 2006.
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256:Translational Issues in Psychological Science
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291:Definition from the Free Dictionary
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