Friday, February 18, 2011

Our modern skulls house a stone-age mind

The Center for Evolutionary Psychology at the U. Cal. Santa Barbara says that "the goal of research in evolutionary psychology is to discover and understand the design of the human mind" and that "the mind is a set of information-processing machines that were designed by natural selection to solve adaptive problems faced by our hunter-gatherer ancestors."

Design. Designed?

Here are the 5 principles of evolutionary psychology as described by CEP.

Principle 1. The brain is a physical system. It functions as a computer. Its circuits are designed to generate behavior that is appropriate to your environmental circumstances.

Principle 2. Our neural circuits were designed by natural selection to solve problems that our ancestors faced during our species' evolutionary history.

Principle 3. Consciousness is just the tip of the iceberg; most of what goes on in your mind is hidden from you. As a result, your conscious experience can mislead you into thinking that our circuitry is simpler that it really is. Most problems that you experience as easy to solve are very difficult to solve -- they require very complicated neural circuitry.

Principle 4. Different neural circuits are specialized for solving different adaptive problems.

Principle 5. Our modern skulls house a stone age mind.

Where did that last one come from?

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