Adaptive Plasticity

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Planaria exposed to BaCl2 degenerate, then regenerate heads that are molecularly and physiologically adapted to resist the same insult.

Vikriti

Perturbation or disturbance — the condition that prompts adaptive reordering.

Sthira‑Sukham

Stability-with‑ease: the balance of resilience and relaxed responsiveness.

Prana

Vital flow — here invoked as bioelectric currents that guide form and function.

Svadhyaya

Self‑study: the patient observation of small changes that guide practice and adaptation.

Planaria exposed to BaCl2 degenerate, then regenerate heads that are molecularly and physiologically adapted to resist the same insult.

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"Remarkably, however, the planaria soon regenerated a BaCl2-tolerant head."

— Emmons‑Bell et al.

Resilience grows when systems are safely and repeatedly perturbed — attention and time let physiology explore more robust states.

— MJH

Original Article: "Regenerative Adaptation to Electrochemical Perturbation in Planaria: A Molecular Analysis of Physiological Plasticity" by Maya Emmons‑Bell, Fallon Durant, Angela Tung, et al., (PMCID: PMC6881696; PMID: 31765995)

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