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Invisibility
Many important elements in the novel are either hidden from view or invisible. For example, Bromden tries to be as invisible as possible. He has achieved this invisibility by pretending not to understand what is going on around him, so people notice him less and less. Moreover, he imagines a fog surrounding him that hides him and keeps him safe. He keeps both his body and his mind hidden.
Bromden’s hallucinations about hidden machines that control the patients call attention to the fact that the power over the patients is usually covert. He imagines that the patients are implanted with tiny machines that record and control their movements from the inside. The truth is that Nurse Ratched manages to rule by insinuation, without ever having to be explicit about her accusations and threats, so it seems as though the patients themselves have absorbed her influence—she becomes a sort of twisted conscience.
When McMurphy smashes through the glass window of the Nurses’ Station, his excuse is that the glass was so clean he could not see it. By smashing it, he reminds the patients that although they cannot always see Ratched’s or society’s manipulation, it still operates on them.
The Power of Laughter
The power of laughter resonates throughout the novel. McMurphy’s laughter is the first genuine laughter heard on the ward in years. McMurphy’s first inkling that things are strange among the patients is that none of them are able to laugh; they can only smile and snicker behind their hands. Bromden remembers a scene from his childhood when his father and relatives mocked some government officials, and he realizes how powerful their laughter was: “I forget sometimes what laughter can do.” For McMurphy, laughter is a potent defense against society’s insanity, and anyone who cannot laugh properly has no chance of surviving. By the end of the fishing trip, Harding, Scanlon, Doctor Spivey, and Sefelt are all finally able to participate in real, thunderous laughter, a sign of their physical and psychological recovery.
Read more about laughter as a theme in the context of Hermann Hesse’s Steppenwolf.
Real Versus Imagined Size
Bromden describes people by their true size, not merely their physical size. Kesey implies that when people allow others, such as governments and institutions, to define their worth, they can end up far from their natural state. Nurse Ratched’s true size, for example, is “big as a tractor,” because she is powerful and unstoppable. Bromden, though he is six feet seven inches tall, feels much smaller and weaker. He tells McMurphy, “I used to be big, but not no more.” As for McMurphy, Bromden says he is “broad as Papa was tall,” and his father was named The Pine That Stands Tallest on the Mountain. Bromden says his mother was twice the size of he and his father put together, because she belittled them both so much. With McMurphy’s help, Bromden is gradually “blown back up to full size” as he regains his self-esteem, sexuality, and individuality.
