Just what are Neurotransmitters? In this episode of Crash Course Psychology, Hank takes us to the simplest part of the complex system of our brains and nervous systems; The Neuron.

This short video, then, provides a whistlestop tour of the current state of psychology—the study of our complex mental functions and behaviors.

For those interested in giving themselves a crash course in critical thinking—something I did myself, as I was working on my book—I thought it might be helpful to share a list of some of the ...