latched-hyperprior

# latched-hyperprior The **Latched Hyperprior Hypothesis (LHH)** (Johnson 2023): if a vascular contraction is *held long enough* it engages the **latch-bridge** common to smooth muscle — myosin latches to actin and holds tension *without ongoing ATP*. This durably freezes the nearby circuit, isolating it from conscious experience and global updating: a **committed hyperprior**. The latch releases once the prediction it stabilizes is resolved. This is the **−1 / coplay** leg of the vasocomputation timescale triad: the durable *commit*. ## Use When - Modeling durable commitments / "holding tension in the body" (latches persist seconds → years) - Trauma / PTSD as a hyperprior cemented against incoming data - Latch spirals: latch → ↓blood flow → ↓energy → can't release (migraine, cluster headache, neuropathy) - The cross-substrate view of a latch (below) — the single fixed point read mechanically, bioelectrically, immunologically, sheaf-theoretically ## What *is* a latch? — one fixed point, four substrates A latch is not four lookalikes; it is **one self-stabilizing fixed point of the body's distributed inference**, read at four levels at once: | Substrate | Latch = | |-----------|---------| | mechanical | latch-bridge: ATP-free myosin–actin hold (Johnson, LHH) | | **bioelectric** | a hysteretic Vmem attractor pinned by gap-junction feedback; threshold-triggered, instruction-free hold (Levin) | | **immune** | a walled-off, immune-defended chronic-inflammatory locus (granuloma logic; `neuroimmune-pruning`) | | computational | a committed hyperprior isolated from global updating (LHH) | | **sheaf-theoretic** | `H¹ ≠ 0`: a local section that won't glue — gap-junction closure = a lost restriction map | - **Bioelectric (Levin)**: bistable Vmem holds its own setpoint with no ongoing instruction (cf. the planarian two-head: a stable bioelectric memory surviving regeneration, genome unchanged). Gap junctions are the **restriction maps** of the body's sheaf: open → local sections glue → `H¹=0` → latches cycle; **closed → local section isolated → `H¹≠0`** → a held prior that can't be corrected by neighbors. Pushed to also recruit proliferation, this is Levin's *cancer = cells that bioelectrically disconnect from the morphogenetic field* — a latch that learned to copy itself. - **Löb fixed point**: `□(commitment) → commitment`. The latch is the contact locus = fixed-point set of the body's `□(self-model)` — the oldies *contact manifold = fixed-point set of □(Nash)* at somatic scale. - **Release is active**: unlatching costs activation energy (Johnson) = immune **resolution** programs (resolvins/lipoxins) actively terminate, not passive decay. Sauna + cold plunge, attention into the tissue, and psychedelics force the clench–release cycle. ## GF(3) Balanced Triad ``` compressive-vasomotion (+1) ⊗ vascular-clamp (0) ⊗ latched-hyperprior (−1) = 0 (mod 3) ``` **Skill Trit**: −1 (Coplay / commit — the consolidated hold; a *sticky* latch is a **nogood-H¹** to repair, distinct from **content-H¹** legitimately-held disagreement to preserve). ## Honesty markers Grounded: latch-bridge ATP-free hold; Vmem bistability/hysteresis; gap-junction uncoupling isolating domains; cancer-as-bioelectric-disconnection (Levin); active inflammation-resolution. **Structural correspondence (not asserted biology)**: latch = Löb fixed point = `H¹` of the body's justification sheaf; gap junctions = restriction maps. ## Concomitant Skills | Skill | Trit | Interface | |-------|------|-----------| | `vascular-clamp` | 0 | upstream: sustained clamp → latch | | `compressive-vasomotion` | +1 | upstream: the sweep | | `neuroimmune-pruning` | 0 | immune maintenance / unlatch-or-defend | | `neural-potentiation` | −1 | latch annealed → synaptic prior | | `sheaf-cohomology` | 0 | H¹ ≠ 0 = local section that won't glue | | `structural-stability` | −1 | hysteresis / bistable attractor analysis | | `waddington-landscape` | 0 | canalization of a cemented hyperprior | ## Current literature (2024–2026) - **Hai & Murphy (1988); Dillon et al. (1981); Rembold (2004)** — the four-state latch; **detachment is rate-limiting** (slow `k7`), high force at low phosphorylation; an "ultraslow" PKC latch holds even longer. - **Pezzulo, LaPalme, Durant & Levin (2019)** — planarian two-headed form is a **stable bioelectric attractor**, rewritten by gap-junction blockade (octanol), reset by the ion-pump blocker SCH28080 — permanence with a wild-type genome. - **Levin (2014, Mol Biol Cell)** — Vmem as epigenetic switch; cancer = loss of gap-junction coupling (bioelectric disconnection). - **van der Kolk (2014); Schleip (fascial plasticity)** — sustained load "freezes" a defensive posture; collagen cross-linking gives the weeks–years tail. - **Capdeville-Atkinson (1994); FHM2 Ca²⁺-sensitization (2018)** — cluster-headache temporal arteries show spontaneous rhythmic VSMC contraction; MYPT1 = a genetic latch-bias. - **Key sharpening**: a latch is **kinetic, not thermodynamic** — a fixed point defended by a *rate-limited exit barrier* (hard to *leave*, not hard to *hold*). `MLCK↑ / MLCP↓` is the commit knob; gap-junction uncoupling = isolation from global updating, *literally*. - **Hook / falsifier**: heat (sauna) and Ca²⁺/Mg²⁺ shifts favour release; octanol flips the attractor and **SCH28080 reset** falsifies "permanent." - **Grounded**: latch kinetics, Vmem/GJ bistability, fascial cross-linking, VSMC hypercontractility. **Speculative (structural analogy)**: the sheaf-`H¹` / Löb-fixed-point layer — no cohomology is computed; keep as content-H¹ hypothesis, not asserted biology. ## Counterfactual structure A latch is a **held counterfactual** — a prediction kept against reality until action makes it true (or it is abandoned). This gives LHH a causal-inference reading: - **Treatment effect**: `latch-above-baseline = E[tension | do(hold)] − E[tension | never]` — the causal effect of the contraction (factual vs counterfactual), already computed in `vasocompute.bb`. - **Latch spiral = `do(ischemia)` (Pearl rung 3)**: ATP depletion blocks cross-bridge detachment (rigor → `k7→0`), so the latch **cannot** release. Counterfactual harm = `tension(ischemic) − tension(factual)` = "had flow been restored, this tissue *would have* released." The **Mongolian gerbil** (incomplete circle of Willis) is the `do(occlude)` preparation that measures it (CA1 delayed neuronal death). - **Overhypothesis** (Kemp & Tenenbaum): a latch stores not a datum but a *learned prior over priors* — the computational content of a hyperprior. - **Resolvability = the repair criterion**: a latch whose counterfactual can be made true is a **nogood-`H¹`** to repair (release on resolution); one in an uncontrollable domain (counterfactual unsatisfiable) is **content-`H¹`** — the irreducible suffering term (TUAI failure mode 2). See `chirho-counterfactual` for the rigorous SCM version of the `do(k7→0)` query. ## References - Johnson, M.E. (2023). *Principles of Vasocomputation, Part I*. opentheory.net (§V, LHH; latch-bridge). - Levin, M. (2022). *Technological Approach to Mind Everywhere (TAME)*. Front. Syst. Neurosci. 16. - Juliani, Safron, Kanai (2023). *Deep CANALs*. doi:10.31234/osf.io/uxmz6. - Moore, C.I. & Cao, R. (2008). *The hemo-neural hypothesis*. J. Neurophysiol. 99(5).