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Introduction to Human Behavioral Biology

Robert Sapolsky | 57:16


Stanford University.

This is Bio one 50, isn't it? Okay, just wanted to make sure. Okay, so we start off with a scenario 40 year old guy, quiet suburban. Married, 15 year, two kids, three and a half dogs. Everything's standard, everything's going wonderfully. And one day out of nowhere, he punches somebody in the face at work, totally bizarre out of character.

The guy is standing there by the water cooler and makes some comment on some baseball team. Takes exception to it. Punches him in the face utterly strange. Things are quiet. Three months later, his wife of 15 years happy marriage, discovers he's having an affair with a 16 year old checkout kid down at the Safeway.

Really weird. Then three months after that, he absconds with all the money at work Embezzles. It disappears and is never seen to get three possibilities first. This guy is a truly deep creep. Second, he is having the most immature midlife crisis you could ever imagine. Third possibility. He has a mutation in one gene in his head.

And what we'll be seeing is this is exactly the profile that you get in a certain neurological disease where it's one gene that's out of w first demonstration of that. Okay? Just to get a sense of who's here, how many of you think, uh, there is a genetic influence on sexual orientation? Okay. How many think it is possible for prenatal events to influence your political opinions?

30 years. Okay. How many think that there is a valid way of using biology to understand who's religious and who isn't? Yeah, you're not quite as many hands there. Okay. As long as we're in that terrain, how many people believe in God? How many people believe in souls? How many people believe in evil?

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