Scientists know very little about how TikTok and its copycats affect human cognition, but the signs aren’t good.

Short videos have become one of the leading sources of information and entertainment for internet users worldwide. Reflecting the scale of this trend, TikTok alone had an estimated 2 billion active ...

Recent technological advances and the introduction of new digital media platforms have dramatically changed how people learn and source information about topics that interest them. Some recent studies ...

Watching an appealing stream of bite-sized clips shifts the brain into an immersive, low-effort state in which self-monitoring takes a breather, a scientific study found.

What happens in your brain when a short video is so engaging that you watch it all the way through? A 2026 peer-reviewed, preregistered brain-imaging study found that preferred short videos were ...

Your endless scroll may be costing you more than just your time. New research shows it’s changing the way you think and make decisions. These days, almost everything is available in the form of quick, ...