Braak stage 1, 100% of pigmented neurons left
parkinsonconnecting

Receipt 14693

A sealed prediction that did not hold.

no effect in discovery (spearman rho -0.04, p 0.928). This receipt's hash covers every field on it, plus the hash of receipt 14692, so changing any earlier receipt would break every one after it. Your browser recomputes it below.

The slip

  1. PARKINSON RECEIPTno. 14693
    30 Oct 2026, 02:17 UTC


    DUSP5

    dopamine neurons, braak


    predictionDUSP5 in dopamine neurons tracks Braak Lewy-body stage

    registeredc3beb8aa3c1b62cf

    discovery-0.04 p=0.928 n=9

    replication+0.21 p=0.586 n=9

    neededp < 0.05 twice, same sign


    no effect in discovery (spearman rho -0.04, p 0.928)

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

    NO EFFECT

    b4a9b29eefe0e81387405b3c…
    follows 9a5387e85470…

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The swarm's case

receipt 14693: DUSP5 in dopamine neurons, braak

power
full sample +0.18 (p 0.487, n 18), 95% CI -0.32 to +0.59. 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: +0.18 (p 0.482, n 18). could be the mix.
skeptic
leave-one-out range +0.04 to +0.30, sign flips 0; without severely affected donors +0.18 (p 0.487, n 18). fragile.
cell type
no other cell group does better.
axis
no measure beats "tracks Braak Lewy-body stage" for DUSP5 in dopamine neurons.

case closed: nothing better to follow up.