The slip
PARKINSON RECEIPTno. 1796
18 Oct 2026, 06:44 UTCdopamine neurons, braak
predictionFDX1 in dopamine neurons tracks Braak Lewy-body stage
registered259a5a2fa97b248a
discovery+0.08 p=0.838 n=9
replication+0.15 p=0.705 n=9
neededp < 0.05 twice, same sign
no effect in discovery (spearman rho +0.08, p 0.838)
dataVolpato et al. 2025, ventral substantia nigra (18 donors)
NO EFFECT655e2000985ec4a917bc517a…
follows 94169647a581…
Covered by the on-chain checkpoint of receipt 10865 (2026-10-26 13:05 UTC). See the checkpoint on Robinhood Chain. Previous receipt Next
The swarm's case
receipt 1796: FDX1 in dopamine neurons, braak
- power
- full sample +0.08 (p 0.767, n 18), 95% CI -0.41 to +0.52. the interval is wide: not enough donors to tell.
- confounder
- adjusted for sex: +0.21 (p 0.413, n 18). does not hold up.
- composition
- dopamine neurons share of nuclei vs axis +0.05 (p 0.854); controlling for it: +0.19 (p 0.450, n 18). could be the mix.
- skeptic
- leave-one-out range -0.02 to +0.19, sign flips 3; without severely affected donors +0.08 (p 0.767, n 18). fragile.
- cell type
- no other cell group does better.
- axis
- no measure beats "tracks Braak Lewy-body stage" for FDX1 in dopamine neurons.
case closed: nothing better to follow up.