Hypervigilance is an enhanced state of sensory sensitivity accompanied by an exaggerated intensity of behaviors whose purpose is to detect threats. Hypervigilance is also accompanied by a state of increased anxiety which can cause exhaustion. Other symptoms include: abnormally increased arousal, a high responsiveness to stimuli, and a constant scanning of the environment for threats.[1][2] Hypervigilance can be a symptom of posttraumatic stress disorder[3] and various types of anxiety disorder. It is distinguished from paranoia. Paranoid states, such as those in schizophrenia, can seem superficially similar, but are characteristically different.
Hypervigilance is differentiated from dysphoric hyperarousal in that the person remains cogent and aware of his or her surroundings. In dysphoric hyperarousal, the PTSD victim 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 intense enough to induce a delusional state where the effect of the traumas overlap: e.g., one remembered firefight may seem too much like another for the person to maintain calm. This can result in the thousand-yard stare.
[edit]Symptoms
People suffering from hypervigilance may become preoccupied with studying their environment for possible threats, causing them to lose connections with their family and friends. They will 'over-react' to loud and unexpected noises; become agitated in highly crowded or noisy environments etc. They will often have a difficult time getting to sleep or staying asleep.[4]
people who are involved in my situation which could identify and collaborate what i am saying have been warned off with real threats, there have been episodes where i have been unable to explain a persons (not known to me) actions and very descriptive hand gesture's in the shape of a gun, which for some of the time was pointed at me.
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