Is ‘Brain Rot’ Real? What Short Videos May Do to Cognition
www.medscape.com/viewarticle/brain-rot-real-what-short-videos-may-do-cognition-2026a1000pro
Key Points
Short videos linked to ↓ attention, memory, and emotional functioning.
Frequent use associated with depression, anxiety, problematic/addictive use.
-fMRI: short videos → poorer memory recall in 57 participants.
-Reduced activation: claustrum, caudate nucleus, middle temporal gyrus.
-Short videos weakened visual-attentional-cognitive control connectivity.
Which brain networks mediate short-video cognitive effects?
Do short videos impair learning retention long term?
Which users are most vulnerable to short-video exposure?