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Out of mind

Julie is getting a Wada procedure, the alternate suppression of each hemisphere of her brain. In effect it turns her into two different people. Where does the self go?

By Paul Broks   July 2004

The bespectacled skeleton speaks. “Yes, I’m fine,” she says. Her jaw drops and rises squarely like a ventriloquist’s dummy. But where are the words coming from? All I can see are bones and electrodes. The view shifts and there’s the smoky shape of the heart. The tip of the catheter now appears at the bottom of the screen. This was inserted at the groin and is nudging upward, through an invisible artery, into the rib cage. The radiologist is deft and reaches the carotid in no time: base camp for the brain. He is ready now to squirt the drug…

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