Footer 1

Nav Bar

Become a subscriber today to get unlimited access

Member-exclusive 

You've run out of free articles. Read unlimited, ad-free stories (including this one) by becoming a Member. 

Join to continue reading

Unlock this story + our newsletter, for FREE! Already a newsletter subscriber? Just click the "Log in" link above. 

Register to continue reading.

Nautilus

Jim Davies is a professor at the Department of Cognitive Science at Carleton University. He is co-host of the award-winning podcast Minding the Brain. His latest book is Being the Person Your Dog Thinks You Are: The Science of a Better You.

Jim Davies

Neuroscience

Why Facebook Is the Junk Food of Socializing

fusiform face area