Sleep

It turned out that, yes, the participants’ brains revealed they were doing a kind of “neural replay” of the game they had been manipulated to win.Illustration by Kateryna Kon / Shutterstock During this Olympics, I’ve been rooting for Kelleigh Ryan, who is on the women’s foil team. She’s from Ottawa, where I live. Whenever she […]

Buyer’s remorse. It’s that sickening feeling you get when you come home from the store, unwrap your purchase, and start thinking about should-haves and could-haves. A 2014 Psychology and Marketing review identifies some of the reasons that spur this most uncomfortable of consumer emotions: getting new information after purchase, for example, or using the product […]

A study at RPI’s Lighting Research Center tested the effects of digital tablets and different colors of light on subjects’ circadian rhythms.Brittany Wood et al. / RPI In the summer of 2012, the American Medical Association (AMA) adopted a new policy stating that nighttime light exposure is hazardous to human health. “The primary human concerns […]

This image from a mouse brain shows the fluid channels (purple) and glia cells (green) flush out the brain’s waste into blood vessels.Jeffrey Iliff1 and Maiken Nedergaard For humans, sleep is an absolute requirement for survival, almost on par with food and water. When we don’t get it, we not only feel terrible, but our […]