Jordan Gaines Lewis, Ph.D.

Here are 3 reasons why some of us get angry when we're hungry ("hangry").

Pregnancy Brain: The Expectant Mom's Guide, Part 2

Part 2 of a two-part series on the crazy neuroscience of pregnancy. What causes clumsiness, food cravings, and moodiness?

Shouldn't You Just Go to Bed Already?

I have a big test tomorrow. Should I stay up late and study, or just let myself sleep?

Pregnancy Brain: The Expectant Mom's Guide

Does “pregnancy brain” actually exist? There’s no doubt that many changes are happening to a woman’s body during pregnancy, but how do these changes affect the brain?

Why Do Some People Get Déjà Vu More Often Than Others?

What is déjà vu? Why do some people get it all the time, and some people never do?

The Psychology Behind the Pumpkin Spice Fad

Why do we get so obsessed with pumpkin spice everything this time of year? Here's the psychology behind the craze.

The Psychology of Jimmy Kimmel's "Lie Witness News"

Why are the pedestrians interviewed on Jimmy Kimmel Live's "Lie Witness News" segment so easily fooled? Actually, many methods of persuasion are at work here.

Orange is the New Bleak: What the SHU Can Do to Your Brain

What happens to the inmates of Litchfield Penitentiary when they're sent to the SHU? Not much; that's why it's so terrible.

Can Orange Glasses Improve Sleep Quality? Testing it Out

Can orange-tinted glasses improve sleep quality by blocking out blue light? I did an experiment.

Why Does Game of Thrones' Hodor Only Say "Hodor"?

There's a neurological explanation behind why Hodor only says one word: expressive aphasia.