Now consider this one: when the left hemisphere is asked to explain behavior initiated by the right hemisphere, it tries to generate a plausible story. If you send the command “Walk” to the right hemisphere of these patients, they will get up and walk. But if you ask them where they’re going, the answer will come from the left hemisphere, which wasn’t privy to the command. And this hemisphere will come up with what, from its point of view, is a reasonable answer. One man replied, plausibly enough, that he was going to get a soda. And the person who comes up with the improvised explanation—or,
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