Down deep, do you feel at ease?
Pet the lizard.
I’ve always liked lizards.
Growing up in the outskirts of Los Angeles, I played in the foothills near our home. Sometimes I’d catch a lizard and stroke its belly, so it would relax in my hands, seeming to feel at ease.
In my early 20′s, I found a lizard one chilly morning in the mountains. It was torpid and still in the cold and let me pick it up. Concerned that it might be freezing to death, I placed it on the shoulder of my turtleneck, where it clung and occasionally moved about for the rest of the day. There was a kind of wordless communication between us, in which the lizard seemed to feel I wouldn’t hurt it, and I felt it wouldn’t scratch or bite me. After a few hours, I hardly knew it was there, and sometime in the afternoon it left without me realizing it.
Now, years later, as I’ve learned more about how the brain evolved, my odd affinity for lizards has started making sense to me. To simplify a complex journey beginning about 600 million years ago, your brain has developed in three basic stages: [Read more...]