These videos prove excessive adrenaline/cortisol seriously damages five areas of the brain, causing PTSD. The Hippocampus, Amygdala, Prefrontal Cortex, and Cingulate Gyrus are reduced in volume. Monumentally and solidly proven in brain scans universally, and are a scientifically established fact. 
Goggle adrenaline cortisol damages the Basil Ganglia. To much strengthens emotional and habitual responses of the amygdala and Basil Ganglia. Goggle does the DSM symptoms for mental disorders describe brain damage? The answer is YES !!!

Doctor Robert Sapolsky was awarded the McAuthor foundation Genius Award in 1987. He proved that excessive stress or trauma damages the brain's hippocampus. A damaged hippocampus also has been proven to increase the HPA axis arousal, causing more adrenaline and cortisol release, thus more brain damage.

Professor Adrian Raine explains that antisocial personalities are caused by cortisol.
Impulsiveness, aggression and lack of empathy or remorse often become the behavioral norm.
These people on average have a 11% reduction (cell death) in the pre-frontal cortex.
​                                See  page (Adrenaline & Cortisol Changes Human Behavior.)

Doctor Frank Ochberg also states that excessive cortisol is responsible for cell death in the anterior cingulate gyrus, responsible for empathy for others. He say's brain scans show the Anterior Cingulate Gyrus is  damaged  (brain cell death) in PTSD victims.

                           
               Amygdala, Medial Prefrontal Cortex, and Hippocampal function in PTSD

 LISA M. SHIN,  SCOTT L. RAUCH,  AND ROGER K. PITMAN  Department of Psychology, Tufts University, Medford, Massachusetts 02155, USA  Department of Psychiatry, Massachusetts General Hospital–Harvard Medical School, Boston, Massachusetts 02115, USA.

​In summary, there is evidence for structural, neurochemical, and functional abnormalities in medial prefrontal cortex, including anterior cingulate and medial frontal gyrus, in PTSD, is scientifically established. ​

Evidence: The last decade of neuroimaging research has yielded important information concerning the structure, neurochemistry, and function of the amygdala, medial prefrontal cortex, and hippocampus in posttraumatic stress disorder (PTSD). Neuroimaging research reviewed in this article reveals heightened amygdala responsivity in PTSD during symptomatic states and during the processing of trauma-unrelated affective information. Importantly, amygdala responsivity is positively associated with symptom severity in PTSD. In contrast, medial prefrontal cortex appears to be volumetrically smaller and is hyporesponsive during symptomatic states and the performance of emotional cognitive tasks in PTSD. Medial prefrontal cortex responsivity is inversely associated with PTSD symptom severity. Lastly, the reviewed research suggests diminished volumes, neuronal integrity, and functional integrity of the hippocampus in PTSD.

                What also Happens when the Amygdala is activated to frequently  

Damage to Brain's Decision-Making Area May Encourage Dicey Gambles Individuals with amygdala damage are more likely to lay a risky bet. Most people would not gamble their savings, according to Benedetto De Martino of California Institute of Technology, author of a study published February 8 in Proceedings of the National Academy of Science. People tend to choose avoiding losses over acquiring gains—a behavior known as loss-aversion.

But people with damage to the amygdala—an almond-shaped part of the brain involved in emotion and decision-making—are more likely to take bigger risks with smaller potential gains, De Martino's study found. Two women with bilateral amygdala damage showed a dramatic reduction in loss aversion compared with age-matched control subjects on a series of experimental gambles, despite understanding full well the values and risks involved.

De Martino already suspected that the amygdala was crucial for loss-aversion based on earlier studies using functional magnetic resonance imaging (fMRI).  In some cases, they chose to gamble even when the potential losses outweighed the potential gains. 

​Google biography of Audie Murphy, highly decorated World War two veteran.  He gambled his millions earned in movie productions, and had all of the PTSD symptoms in the Diagnostic and Statistical manual of Mental Disorders, the  lawfully mandated requirement for rating PTSD severity.

              
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