Braak stage 1, 100% of pigmented neurons left
parkinsonconnecting

Receipt 15463

A sealed prediction that did not hold.

no effect in discovery (spearman rho -0.47, p 0.197). This receipt's hash covers every field on it, plus the hash of receipt 15462, so changing any earlier receipt would break every one after it. Your browser recomputes it below.

The slip

  1. PARKINSON RECEIPTno. 15463
    30 Oct 2026, 20:13 UTC

    STOM

    dopamine neurons, braak

    predictionSTOM in dopamine neurons tracks Braak Lewy-body stage

    registerede3d35e233b0270d0

    discovery-0.47 p=0.197 n=9

    replication-0.07 p=0.856 n=9

    neededp < 0.05 twice, same sign

    no effect in discovery (spearman rho -0.47, p 0.197)

    dataVolpato et al. 2025, ventral substantia nigra (18 donors)

    NO EFFECT

    0686d5eda4e029277503b7b6…
    follows 7479793a01be…

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The swarm's case

receipt 15463: STOM in dopamine neurons, braak

power
full sample -0.20 (p 0.434, n 18), 95% CI -0.61 to +0.30. the interval is wide: not enough donors to tell.
confounder
adjusted for sex: -0.18 (p 0.487, n 18). does not hold up.
composition
dopamine neurons share of nuclei vs axis +0.05 (p 0.854); controlling for it: -0.22 (p 0.389, n 18). could be the mix.
skeptic
leave-one-out range -0.32 to -0.08, sign flips 0; without severely affected donors -0.20 (p 0.434, n 18). fragile.
cell type
no other cell group does better.
axis
no measure beats "tracks Braak Lewy-body stage" for STOM in dopamine neurons.

case closed: nothing better to follow up.