How Your Right and Left Brain Work Together to Make Sense of The World

“No,” Jake said adamantly, “Don’t you remember? I was standing right there, not here, and I was with Sam, not Sylvia.” “That’s not the way it was at all,” Stacey said with growing annoyance. “Why do you get everything mixed up? I have a much better memory of things than you do and you are all wrong.” Jake and Stacey can argue until the cows come home. There will never be a way to prove that either one was right nor will either one suddenly “remember” the situation differently. And this has less to do with the desire to win an argument than with how our brains work. I read an interesting book recently, Incognito: the Secret Lives of the Brain by David Eagleman. It is stocked well with research findings so whether you like or don’t like some of Eagleman’s conclusions (I don’t care for one or two of them), the research is nevertheless good enough to stop an argument about what really happened last week at your mother-in-law’s house. Split-Brain Research Eagleman reports on research done by Michael Gazzaniga and Joseph LeDoux with people whose right and left brain hemispheres were unable to communicate with each other. By studying people with split-brain function like this, scientists can gain knowledge about the different roles of the hemispheres. They showed a picture of a chicken claw to the right eye (left hemisphere) and a snow shovel to the left eye (right hemisphere). The man was asked to point at pictures which illustrated what he had just been shown. His right hand pointed to a picture of a chicken, and...
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