see the light
Last night, while my husband was happily snoring away, I was quietly stumbling around in the dark. Or maybe not so quietly. And like the dork I am, it made me think of psychology. (But that’s nothing new. Everything makes me think of psychology.)
Psychology lesson for the day (from the chapter on Sensory Perception): photoreceptors. In those lovely eyeballs of yours, you’ve got photoreceptors, a special kind of neuron that lets you see light. There are primarily two kinds: rods and cones. Rods allow you to see dim light, and they’re found throughout your retina, except in the very center. The center is packed with cones, which respond to brighter light and allow the greatest visual acuity. (more…)