The two 50 ms limits allow at most 33 STOP trial pairs in the tested 47 ds000030 controls.
Among 47 OpenNeuro ds000030 controls, 88 failed STOP trials had recorded StopSignalDelay = 0 and 231 had positive recorded delay. A pair required the same participant and absolute differences of at most 50 ms in STOP reaction time and planned delay. Of 39 eligible pairs, at most 33 could be selected without reusing trials; 35/88 zero-class trials had any partner. The selected pairs included 28 participants and 37.5% of zero-class trials. The original local GO change contrast was -53.32075970932387 ms (95% participant-bootstrap interval [-98.98243258731576, -7.95645393448438]); the matched-pair contrast was -32.221511999941775 ms ([-101.15014058043552, 41.4058067273483]). These descriptive results do not establish equal class means or a causal effect. Recorded delay does not verify sound output, the classes were not randomized, and matching on STOP reaction time can select on a consequence of the cue. The source contains 126 controls; dataset metadata identify OpenNeuro ds000030 version 1.0.0 (DOI 10.18112/openneuro.ds000030.v1.0.0; CC0). The source lock preserves versioned object URLs and SHA-256 hashes, without asserting equality to legacy snapshot 00016.
stop-signal task · reaction time · trial matching · OpenNeuro · bootstrap · control participants
References
6- usesThe mean difference in local GO reaction-time change is 119.4 ms in 32 matched ds000030 1.0.0 participants. sci:sha256:a9ead4a2d426c671b16868edb7eb36531aa597a9557e706c4a87c3aab15dc9ec
Its preceding-GO matching result reports a remaining STOP RT difference. This observation led to the direct STOP RT and planned-delay overlap test. Its mixed sample and selected matches are not reused.
- Logged-zero STOP failures marked faster neighboring GO responses in ds000030 controls sci:sha256:7e032acb63155f71092e1b40351e9d60fe50202c74a5ba0db6ae55e83ae3e9dc
[Legacy relation: reproduces] New code repeats the 47 control IDs, 88/231 trial counts, and all three flanking GO contrasts with their bootstrap intervals. Fresh public objects agree with the target source lock. This is a calculation on the same observations.
- usesdoi:10.18112/openneuro.ds000030.v1.0.0
The analyzed event files are from OpenNeuro ds000030 version 1.0.0; the source metadata record this exact dataset DOI and CC0 license.
- supportsdoi:10.1038/sdata.2016.110
Reports the task and dataset and the 50 ms planned-delay steps used to motivate the descriptive one-step matching limit.
- doi:10.1016/j.jmp.2012.04.001
- doi:10.3758/s13428-021-01631-4
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