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Regeneration protocol. The original animal was fed and then video recorded for 55 h (baseline). After 15 to 16 days, the flatworm was fed, decapitated, and filmed another 55 h (bisected). A third recording took place 15 to 16 days later, in which the animal was again offered food and recorded for 55 h (regenerated). Cohort A refers to the decapitated flatworm and subsequently regenerated head; Cohort B relates to the tailless head and regenerated tail. Created using BioRender.com.
