Tuesday, May 28, 2013

Where Does Identity Come From?

A fascinating new neuroscience experiment probes an ancient philosophical question—and hints that you might want to get out more.

boy at a crossroadsImagine we rewound the tape of your life. Your diplomas are pulled off of walls, unframed, and returned. Your children grow smaller, and then vanish. Soon, you too become smaller. Your adult teeth retract, your baby teeth return, and your traits and foibles start to slip away. Once language goes, you are not so much you as potential you. We keep rewinding still, until we’re halving and halving a colony of cells, finally arriving at that amazing singularity: the cell that will become you.

The question, of course, is what happens when we press “play” again. Are your talents, traits, and insecurities so deeply embedded in your genes that they’re basically inevitable? Or could things go rather differently with just a few tiny nudges? In other words, how much of your fate do you allot to your genes, versus your surroundings, versus chance? 

This is navel gazing that matters.

For the rest of the story: http://www.scientificamerican.com/article.cfm?id=where-does-identity-come-from

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