Trained Planaria Retain Memories Through Head Regeneration: A Model System for Insights into Non-Neural Memory and Neurodegenerative Diseases
Nikhil Dev, Angelina Nguyen, Michael G. Levin
Planarians trained to associate light with food kept their light preference after decapitation and 14-day head regeneration (7.65 min after vs 6.87 min before, out of 10; 10 worms).
bioRxiv · Aug 11, 2026 · PreprintAnimal Behavior & Cognition✦ In-depth digest