Memory retention in planarian tail fragment regeneration

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• Planarian Brain Regeneration with Memory Retentionfinding0.883
  Empirical finding that planaria tail fragments retain learned information and imprint memories onto newly regenerated brains.
• Planarian memory persistence across head regenerationfinding0.866
• Planarians derived from tail fragments of trained worms retain original information after brain regenerationfinding0.847
  Behavioral memories in planaria persist through complete brain regeneration, indicating movement of memory across tissues.
• Planarian fragments regenerate with near 100% fidelity of anatomical structurefinding0.844
  Planarians cut into pieces regenerate precisely what is missing and re-scale tissue to form complete worms.
• Planaria maintain memories and re-imprint them from tail fragments onto newly regenerating brains.finding0.843
  Example of memory dynamics during extreme regeneration.
• Tail fragments of trained planarians retain original learned information, with memories reimprinted on newly-developing brains.finding0.837
  Empirical evidence that memories persist through regeneration; challenges substrate-dependence of identity.
• Planarian fragments regenerating from bioelectrically re-patterned tissue produce permanent two-headed phenotype, demonstrating transient bioelectric states can produce lasting morphological memory changes.finding0.834
  Key evidence that morphogenetic memories are stored in bioelectric circuits and are rewritable via transient voltage state modifications; memory persists across multiple regeneration cycles.
• Planarian flatworms regenerate their entire brain and retain memories after head amputation (Shomrat & Levin and related work).finding0.817
  Cited empirical result supporting persistence of self/memory through structural regeneration.