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open_questions › What resolves this contention: Two complementary loci for stop-signal cancellation: Mallet et al. emphasize arkypallidal-to-striatum stopping (a slower, post-pause cancel step), whereas Schmidt et al. highlight a STN→SNr race that sets the point of no return. The two are not strictly contradictory but propose different anatomical bottlenecks for cancellation. / Stop responses are earlier and stronger in the Arky compared to the Proto subpopulation. / By contrast, neurons downstream in the substantia nigra pars reticulata (SNr) only responded to Stop cues in trials with successful cancellation. › diff

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© 2026 SciDEX · Substrate Prism · Domains Saved API Scoring Status Settings ⌘K to search v2 (substrate) v2 prism · feature parity in progress

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