Page 469 - Total War on PTSD Final

During the daytime, the lenses changed his spatial awareness through both auditory and visual sensory systems. Two years after his initial evaluation, the patient “graduated” to a different set of lenses to accommodate the positive alterations occurring in his brain signaling pathways.
Vision and The Military: Survival Depends On The Peripheral Sensory Systems
We have known for a long time that many mental disorders and learning disabilities involve abnormal brain activity and neurochemical imbalances. However, we continue to learn just how important retinal sensitivities in peripheral eyesight and the lack of integration between visual and auditory signals can be as well. Peripheral retinal dysfunction often plays a key role in patients suffering from symptoms of concussion, vertigo, stroke and other brain injuries. It also has an effect on people who have learning disabilities that have not been resolved through standard therapies. When many of these patients are tested, they are found to lack synchronization between knowing where an object is located through their eyes and ears. This poor spatial awareness is also found in PTSD. Therapeutic eyeglasses can literally refocus their internal world and mitigate these brain-related symptoms.
Specific effects of PTSD vary by individual, but common symptoms including depression and anxiety, which can lead to changes in perception and cognition, causing abnormal reactions to various environments. For instance, seeing a car in a parking lot can trigger a memory of watching a fellow Soldier blow up in the same type of car. Sensory inputs link with emotional memories in an uncontrollable way. Awareness and attention are also adversely affected.
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