Rapid Eye Movements and Brain Heat

Rapid, random eye movements during sleep are probably related to increased temperature in eye-connected parts of the brain, or the speed and randomness of the molecules making it up.

This is a picture of the painting “Eye Balloon” by Odilon Redon. It’s an eye inside of a hot air balloon, looking upward, with sharp, dark spikes around the top of the eye/baloon.
Odilon Redon’s “Eye Balloon.” Photo from WikiArt. Public domain.

“While for over 50 years, it was thought
that only mammals and birds have these distinct



Get the Medium app

A button that says 'Download on the App Store', and if clicked it will lead you to the iOS App store
A button that says 'Get it on, Google Play', and if clicked it will lead you to the Google Play store


A concept of aesthetic complexity based on universal animal preferences for mixtures of simple, more and less exciting physical and psychological opposites.