Planarian memory persistence across head regeneration

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• Planarian Brain Regeneration with Memory Retentionfinding0.904
  Empirical finding that planaria tail fragments retain learned information and imprint memories onto newly regenerated brains.
• Memory retention in planarian tail fragment regenerationfinding0.866
• Planarian flatworms regenerate their entire brain and retain memories after head amputation (Shomrat & Levin and related work).finding0.840
  Cited empirical result supporting persistence of self/memory through structural regeneration.
• Planarian fragments regenerating from bioelectrically re-patterned tissue produce permanent two-headed phenotype, demonstrating transient bioelectric states can produce lasting morphological memory changes.finding0.825
  Key evidence that morphogenetic memories are stored in bioelectric circuits and are rewritable via transient voltage state modifications; memory persists across multiple regeneration cycles.
• Trained planarian flatworms regenerating new heads retain memory of learned behaviors, with behavioral engrams imprinted on newly formed brain tissue.finding0.821
  Evidence that memory and anatomical form are tightly linked; information processing enables integration of behavioral and morphological change.
• Planarians derived from tail fragments of trained worms retain original information after brain regenerationfinding0.816
  Behavioral memories in planaria persist through complete brain regeneration, indicating movement of memory across tissues.
• Planarian Regenerationmethod0.814
• Planaria retain conditioned responses after complete brain regenerationfinding0.811
  Worms trained before decapitation re-acquire the memory after regenerating a new brain, showing transfer of information across tissues.