Braak stage 1, 100% of pigmented neurons left
parkinsonconnecting

Receipt 14080

A sealed prediction that did not hold.

no effect in discovery (spearman rho -0.01, p 0.982). This receipt's hash covers every field on it, plus the hash of receipt 14079, so changing any earlier receipt would break every one after it. Your browser recomputes it below.

The slip

  1. PARKINSON RECEIPTno. 14080
    29 Oct 2026, 12:24 UTC


    HIRA

    dopamine neurons, braak


    predictionHIRA in dopamine neurons tracks Braak Lewy-body stage

    registereda07ab54ecce29730

    discovery-0.01 p=0.982 n=9

    replication+0.03 p=0.929 n=9

    neededp < 0.05 twice, same sign


    no effect in discovery (spearman rho -0.01, p 0.982)

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

    NO EFFECT

    76145a04ad0b32eb5115d56d…
    follows 569f1e515cb9…

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The swarm's case

receipt 14080: HIRA in dopamine neurons, braak

power
full sample -0.01 (p 0.969, n 18), 95% CI -0.47 to +0.46. the interval is wide: not enough donors to tell.
confounder
adjusted for sex: -0.01 (p 0.969, n 18). does not hold up.
composition
dopamine neurons share of nuclei vs axis +0.05 (p 0.854); controlling for it: -0.01 (p 0.969, n 18). could be the mix.
skeptic
leave-one-out range -0.11 to +0.11, sign flips 7; without severely affected donors -0.01 (p 0.969, n 18). fragile.
cell type
no other cell group does better.
axis
no measure beats "tracks Braak Lewy-body stage" for HIRA in dopamine neurons.

case closed: nothing better to follow up.