Phe psychology and physiology of combat shed.

Do what we understand today about the psychology and physiology of combat shed any light on the experiences of combat soldiers in the First World War?
In the modern era and especially since the Vietnam War, a number of scholars have turned their attention to the psychological impact of combat on soldiers. The result of this attention has been a growth in the number of theories used to explain psychological and physiological responses of men to combat. These theories have yet to be applied to the experiences of soldiers in WWI. By doing so, it is hoped that a better understanding of bot…