Cryptic Planaria

A bioelectrically destabilized planarian state where regeneration outcome (1 vs 2 heads) is stochastic per individual, yet all cells within the worm agree.

Neighborhood — ranked by edge-count

Concepts (1)

concept

Collective Decision-Making
associated_with
Process through which groups of cells or organisms reach a univocal outcome despite individual variability.

Findings (1)

finding

Cryptic planaria fragments form 1-head and 2-head forms at a set frequency of ~1:2 (Durant et al. 2017)
supports
Shows stochastic anatomical outcome at the individual level while all cells in a fragment agree on one morphology.

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 Flatworm (Planaria)concept0.797
Model organism demonstrating regeneration, behavioral memory imprinting on new brains, and rewritable bioelectric pattern memory; key example of basal cognition.
Cryptic planaria exhibit stochastic but concordant head/tail decisionsfinding0.768
Bioelectrical disruption produces planaria forming 2-head or 1-head forms at ~70-30 ratio; randomization occurs at population level, but each worm makes unified decision across all tissues.
Planarian Regenerationmethod0.735
Bioelectric Head Patterning in Planariafinding0.719
Bioelectric gradients regionalize gene expression to determine head structure in planaria; system can be hijacked by microbes to control host head number and morphology.
Planaria represent an extreme case where the ratchet has run fully, producing a functional body almost regardless of genome, making them recalcitrant to genetic manipulation.claim0.708
Specific application of the ratchet claim.
Planaria permanently generate two-headed forms despite completely wild-type genetic sequence after bioelectric pattern rewriting.finding0.705
Demonstrates that anatomical outcomes can be reprogrammed at the bioelectric level independently of DNA, inverting the software/hardware metaphor
Two-headed planaria via bioelectric circuit modificationfinding0.703
Planaria have fully committed to a strategy that overrides genetic details with large-scale pattern completion.claim0.702
Interpretive claim explaining planarian robustness as top-down morphogenetic intelligence.