How does Barker use mutism and silence to explore the limits of speech in Regeneration?

Set inside Craiglockhart War Hospital in 1917, Pat Barker's 1991 historical novel Regeneration examines how the First World War destroys the soldier's capacity to speak, reducing testimony to silence or visceral bodily trauma. While the institution treats mutism as a symptom to be cured, Barker insists that silence is often the only honest response left to men who have seen what language cannot hold¹. Finally, the author presents mutism less as illness than as refusal, arguing that the speech the doctors wring from their patients is never the truth the war demands be suppressed.

Barker establishes the war as a force that destroys the soldier's capacity to speak. Commencing with the official verdict that a protester is "perfectly intelligent and rational" yet must be silenced beneath the label of an "anti-war neurosis"², Barker exposes the limitations of permissible speech. This juxtaposition reveals that the institution fears the sane voice above all others, smothering reasoned dissent in medical jargon until nothing true may be uttered³. The war's first violence to language thus becomes the clinical muting of the rational, the cure engineered to leave only the compliant sounds the state permits itself to hear. Where the institution pathologises the rational voice, Barker asserts that the war strips speech from other men entirely. Advancing into Prior's affliction, struck dumb by the trenches and reduced to communicating in "block capitals"⁴, Barker renders the loss of speech the war's most visible wound. His scrawled declaration of "NO MORE WORDS"⁵ transfigures mutism into a paradoxical utterance, the silence itself announcing that language has buckled beneath the weight of what it is asked to describe. The visual emphasis of the rigid capitals lends the refusal a voice of its own, the war having destroyed speech precisely by outrunning its capacity to name the horror. Across these silences, Barker highlights how the war has stripped men of the very words they would need to testify against it.