finding

active

finding:planaria-retain-conditioned-responses-after-complete-brain-regeneration

Planaria retain conditioned responses after complete brain regeneration

Worms trained before decapitation re-acquire the memory after regenerating a new brain, showing transfer of information across tissues.

Source paper

extracted_from

Technological Approach to Mind Everywhere: An Experimentally-Grounded Framework for Understanding Diverse Bodies and Minds

(2022) · Michael Levin

Neighborhood — ranked by edge-count

Claims (1)

claim

Selves are not fixed permanent agents; the substrate of memory, preferences, and rewards is plastic and can remodel during the agent's lifetime.
supports
Central claim that cognitive Selves change in real-time, supported by examples of metamorphosis and regeneration.

Communities (3)

community

Bioelectric memory & morphogenetic identity
members_of
Gap junctions and bioelectric signals encode body-plan and memory patterns across radical biological transformation.
Bioelectric control of planarian morphogenesis
members_of
Transient bioelectric manipulation persistently alters head number and patterning despite wild-type genetics in planaria.
Bioelectric code and morphological memory in planarians
members_of
Studies of how ion channel bioelectric patterns encode anatomical information independent of genetics, enabling regeneration fidelity and behavioral memory preservation across complete body regeneration.

Related by similarity (8)

cosine ≥ 0.65 · no typed edge

Entities in the same semantic neighborhood but without a typed relation to this one — candidates for new edges or unrecognized duplicates.

Planarian Brain Regeneration with Memory Retentionfinding0.848
Empirical finding that planaria tail fragments retain learned information and imprint memories onto newly regenerated brains.
Planarians derived from tail fragments of trained worms retain original information after brain regenerationfinding0.844
Behavioral memories in planaria persist through complete brain regeneration, indicating movement of memory across tissues.
Planaria maintain memories and re-imprint them from tail fragments onto newly regenerating brains.finding0.837
Example of memory dynamics during extreme regeneration.
Trained planarian flatworms regenerating new heads retain memory of learned behaviors, with behavioral engrams imprinted on newly formed brain tissue.finding0.831
Evidence that memory and anatomical form are tightly linked; information processing enables integration of behavioral and morphological change.
Planarian memory persistence across head regenerationfinding0.811
Planaria exposed to barium regenerate heads insensitive to barium via limited transcriptional changesfinding0.801
Despite no evolutionary exposure to barium, planaria solve the physiological stressor by regulating a small set of genes, demonstrating problem-solving in transcriptional space.
Tail fragments of trained planarians retain original learned information, with memories reimprinted on newly-developing brains.finding0.800
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.finding0.797
Key evidence that morphogenetic memories are stored in bioelectric circuits and are rewritable via transient voltage state modifications; memory persists across multiple regeneration cycles.