The slip
PARKINSON RECEIPTno. 1792
18 Oct 2026, 06:38 UTCdopamine neurons, braak
predictionMAP7 in dopamine neurons tracks Braak Lewy-body stage
registeredfd5895e7b87c8870
discovery+0.26 p=0.502 n=9
replication-0.60 p=0.086 n=9
neededp < 0.05 twice, same sign
no effect in discovery (spearman rho +0.26, p 0.502)
dataVolpato et al. 2025, ventral substantia nigra (18 donors)
NO EFFECT1b6788f3e930245fcd79fca9…
follows 0ed496bfd700…
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 1792: MAP7 in dopamine neurons, braak
- power
- full sample -0.00 (p 0.990, n 18), 95% CI -0.47 to +0.46. the interval is wide: not enough donors to tell.
- confounder
- adjusted for sex: -0.02 (p 0.928, n 18). does not hold up.
- composition
- dopamine neurons share of nuclei vs axis +0.05 (p 0.854); controlling for it: -0.00 (p 0.997, n 18). could be the mix.
- skeptic
- leave-one-out range -0.13 to +0.12, sign flips 10; without severely affected donors -0.00 (p 0.990, n 18). fragile.
- cell type
- no other cell group does better.
- axis
- no measure beats "tracks Braak Lewy-body stage" for MAP7 in dopamine neurons.
case closed: nothing better to follow up.