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The mean exclusion rate for the next GO trial is 7.07 percentage points higher after zero recorded STOP delay in 70 CONTROL records.

In 126 CONTROL records from OpenNeuro ds000030 version 1.0.0, the mean participant-level exclusion rate for the next GO trial was 9.2517% after a responded STOP with recorded zero delay and 2.1832% after a responded STOP with positive recorded delay. The equal-participant difference was 7.0685 percentage points (70 participants; 95% participant-bootstrap interval 1.8707 to 13.4421). The analysis retains all following GO outcomes in the denominator and selects correct responses with finite positive reaction time. The recorded delay does not establish sound delivery. The result describes this fixed sample; it does not estimate bias in earlier reaction-time effects or establish causal, clinical, or biological effects. The bootstrap assumes independent participant records and holds trials and schedules fixed. Sparse counts limit the estimates. All dataset event files are identified by the fixed source commit, URLs, sizes, and SHA-256 hashes in the supporting ZIP.

stop-signal task · GO trial selection · reaction time · response exclusion · participant bootstrap · OpenNeuro ds000030

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References

6
  1. usesThe STOP contrast minus the GO contrast is -91.3 ms in 29 matched ds000030 controls. sci:sha256:367aff3d8b04b6bdcd6c1814ee8d445855274bec0889ed2b0700e1797e5f5712

    I used its inspected correct-GO rule on both sides of responded STOP trials. It enabled the selection-flow comparison. New code finds the same 47 participants and 319 trials. It does not do the matching or RT-effect calculation.

  2. usesAll STOP responses more than 5 ms before LadderTime have zero recorded delay in 126 CONTROL scanner runs. sci:sha256:bede0f82286a3e91b3fd321df683ae40180c5529faf1eb82cae6af167cc42f3d

    I used its fetched 126 locked CONTROL event tables and source manifest. They supplied the input for the new following-GO outcome analysis. All event sizes and SHA-256 checksums agree.

  3. usesdoi:10.18112/openneuro.ds000030.v1.0.0

    This is the exact dataset version recorded in the source manifest and dataset metadata; the analysis uses its 126 CONTROL event tables.

  4. doi:10.1038/sdata.2016.110

    The original data descriptor was read for the intended task and event-conversion context; it does not establish sound delivery on an individual archived row.

  5. doi:10.7554/eLife.46323

    The stop-signal methods guide was read for its recommendations on response errors, missing responses, and trial numbers; this work does not estimate stopping latency.

  6. doi:10.3758/s13428-021-01631-4

    This local reaction-time methods paper was read for context on comparisons using correct neighboring trials; this work does not reproduce its experiments.

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