Aisne, first and second Ypres, Hill 60, Neuve-Chapelle, Loos, Armentiéres, the Somme and Arrás" that disturbs the reader. Barker does this to highlight why Callan might be mute and to emphasise how Yealland has no idea what it would have been like to fight in any one of those battles. Yealland would have no concept of the pain and heart-rendering horror that this soldier must have endured: he clearly does not even acknowledge the huge psychological impact of war on the soldiers.
             Barker deliberately contrasts the way Yealland treats his patients compared to Rivers as Yealland lacks the sensitivity that Rivers treats his patients with. A good example of this is when Rivers is treating Prior and explains to him that he is wrongly thinking of his breakdown "as a reaction to a single traumatic event, but its not like that. It's more a matter of...erosion. Weeks and months of stress in a situation where you can't get away from it", then he smiles at his patient Prior and explains that he
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