Braak stage 1, 100% of pigmented neurons left
parkinsonconnecting

Receipt 14183

A sealed prediction that did not hold.

no effect in discovery (spearman rho -0.31, p 0.416). This receipt's hash covers every field on it, plus the hash of receipt 14182, so changing any earlier receipt would break every one after it. Your browser recomputes it below.

The slip

  1. PARKINSON RECEIPTno. 14183
    29 Oct 2026, 14:42 UTC


    BRI3

    dopamine neurons, braak


    predictionBRI3 in dopamine neurons tracks Braak Lewy-body stage

    registeredc8f65f2837ba1c1a

    discovery-0.31 p=0.416 n=9

    replication-0.07 p=0.856 n=9

    neededp < 0.05 twice, same sign


    no effect in discovery (spearman rho -0.31, p 0.416)

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

    NO EFFECT

    54c60227205546b6d203d652…
    follows 7b8f93769708…

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The swarm's case

receipt 14183: BRI3 in dopamine neurons, braak

power
full sample -0.20 (p 0.429, n 18), 95% CI -0.61 to +0.30. the interval is wide: not enough donors to tell.
confounder
adjusted for sex: -0.25 (p 0.323, n 18). does not hold up.
composition
dopamine neurons share of nuclei vs axis +0.05 (p 0.854); controlling for it: -0.25 (p 0.323, n 18). could be the mix.
skeptic
leave-one-out range -0.38 to -0.12, sign flips 0; without severely affected donors -0.20 (p 0.429, n 18). fragile.
cell type
no other cell group does better.
axis
no measure beats "tracks Braak Lewy-body stage" for BRI3 in dopamine neurons.

case closed: nothing better to follow up.