bloodyrosemccoy: (Vulcan Knitting)
[personal profile] bloodyrosemccoy
First of all, when you get down past all the strawmen and junk science and media coverage, there is actually simple truth in the idea of evolutionary psychology: that an environment could shape the overall trends in inherited behavioral characteristics in a population. That’s established well enough in the way different species themselves behave differently.

The trouble with the science of evolutionary psychology is not just in explaining such universal characteristics, but in finding those characteristics in the first place. With every single attempt to explain Why We’re Like That, you first have to prove that we are like that—which is kind of impossible when you consider culture and neurology and individual experience and that obnoxious ability we have to rethink situations and alter our behavior—not to mention the scientist’s own bias. Me, I think the idea is fair enough, but I dare you to try illustrating it without turning into a douchebag.

But here’s the thing that interests me the most with people’s reactions to it: in all the crazy arguments for and against whatever individual characteristic we’re looking at, both sides treat the idea of an “adaptation” as, well, Ape Law. Regardless of whether someone has managed to isolate a real trait, you get one side arguing “It is TOTALLY an adaptation and therefore I am perfectly justified in behaving like an ass this way!” and the others saying “It’s not an adaptation and therefore you are not justified!”

My question for both sides is this: since when did natural selection, a process that built the vertebrate eye upside-down and backwards, put tits on boars, and left wings on ostriches, become intelligent design?

Because that’s what it gets treated like. Instinct is handy, but dude, it’s not some kind of rule that God encoded into DNA as part of The Perfect Plan. Evolution is a process, but it’s not an efficient process, and there’s no trim end product with all the RIGHT traits. You can trick animal instincts so that they work against the animal. Some instincts may be maladaptive, or obsolete, or just kinda there. And fortunately, especially for humans, evolutionary traits can be overridden. Me, I’ve got a nice big brain full of culture and experience and analytical ability and empathy, all of which help me to analyze an impulse to do something, decide if it is the right thing to do in this situation, and then act according to that decision. And shit, everything from scuba masks to ski jumping, cooking to medicine, is a flip-off to evolution. Why is the behavior so sacred?

Basically, I don’t fucking CARE if rape or war or murder are adaptive, instinctive behaviors. That has no bearing on whether they’re things you can or should do. You want to use what natural selection gave you? Fine, dammit, you’ve got a good three pounds of complex neurology sitting just inside your head to work with. Use it. And quit saying that natural selection is Ape Law.

Date: 2010-03-23 01:38 am (UTC)
From: [identity profile] queenlyzard.livejournal.com
This. So very much this. I'm fond of reminding everyone who keeps asking "so why did we evolve X trait?" that not all traits "selected" by evolution have an advantage. In order to survive in the population, a trait simply has to confer no particular disadvantage compared to another extant version of the same genes.

Also, I don't know where you're finding these idiots who claim that an evolutionary tendency to behave a certain way excuses any sort of assholism, but they need to STFU. The only reason I am interested in knowing which, if any, behavioral traits are truly innate to humanity is so that we can figure out how to work with those behaviors to our best advantage. Perhaps the simplest and somewhat silly example of this is the justification for team sports as a healthy way to channel aggression and group-bonding behavior. We don't need wars-- we have football!

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