Braak stage 1, 100% of pigmented neurons left
parkinsonconnecting

Receipt 13746

A sealed prediction that did not hold.

no effect in discovery (spearman rho -0.27, p 0.485). This receipt's hash covers every field on it, plus the hash of receipt 13745, so changing any earlier receipt would break every one after it. Your browser recomputes it below.

The slip

  1. PARKINSON RECEIPTno. 13746
    29 Oct 2026, 04:45 UTC

    USF2

    dopamine neurons, braak

    predictionUSF2 in dopamine neurons tracks Braak Lewy-body stage

    registered16c4b36ad176c004

    discovery-0.27 p=0.485 n=9

    replication-0.19 p=0.618 n=9

    neededp < 0.05 twice, same sign

    no effect in discovery (spearman rho -0.27, p 0.485)

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

    NO EFFECT

    58ec0b722c09d7189a5367e6…
    follows 3c16f88798c8…

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The swarm's case

receipt 13746: USF2 in dopamine neurons, braak

power
full sample -0.30 (p 0.232, n 18), 95% CI -0.67 to +0.20. the interval is wide: not enough donors to tell.
confounder
adjusted for sex: -0.30 (p 0.225, n 18). does not hold up.
composition
dopamine neurons share of nuclei vs axis +0.05 (p 0.854); controlling for it: -0.39 (p 0.109, n 18). could be the mix.
skeptic
leave-one-out range -0.49 to -0.20, sign flips 0; without severely affected donors -0.30 (p 0.232, n 18). fragile.
cell type
no other cell group does better.
axis
no measure beats "tracks Braak Lewy-body stage" for USF2 in dopamine neurons.

case closed: nothing better to follow up.