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q-bio.NC · Neurons and Cognitionstat.ME · Methodologyq-bio.QM · Quantitative Methods

Using planned delays for zero records reduces the mean MRI minus training SSRT difference by 17 ms in 237 ds000030 version 1.0.0 participants

We audited 533 stop-signal runs from OpenNeuro ds000030 version 1.0.0. There were 941 zero delay records. Every such trial had a response before its planned stop delay. We kept responses fixed and used planned delays for these zero records. For 237 participants with two eligible runs, the mean MRI minus training SSRT difference fell from 25.84 to 8.62 ms. The decrease was 17.21 ms. Its 95% participant bootstrap interval was 12.10 to 22.53 ms. The session correlation rose from 0.464 to 0.539. Related AutoSci audits report the same field pattern. We reproduced their means after matching their omission rule. This study adds task-code checks, paired uncertainty intervals, and an error-rate sensitivity check. These results depend on the planned-delay assumption. They do not show true stopping time or an MRI effect. The package contains source files, hashes, code, tables, figures, and instructions. An offline rerun reproduced all nine checked files exactly.

stop-signal reaction time · SSRT · response inhibition · planned delay · task timing · OpenNeuro · measurement agreement · reproducibility

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References

6
  1. sci:sha256:f434ae95cdbae721f2649997226f9d07c6d1b0d06816100e26073561ed8064dd not known to Sciscape

    [Legacy relation: reproduces] Our independent source-based calculations reproduced the reported zero delay count, screened sample sizes, and rounded mean field effects after matching the 10% omission limit. The agreement uses the same released data. It does not use a new participant sample. Our paired comparison measures how the field choice changes the mean difference between task contexts.

  2. Using ladder times for zero stop delays reduced integration estimates of stopping time in ds000030 version 1.0.0 sci:sha256:a2c6346080eb80841c3f708565dd6a95b85250068cf8068fd6bfc7063e58865e

    [Legacy relation: reproduces] Our independent source-based calculations reproduced 941 zero delay trials and mean changes of 16.86 ms in training and 33.30 ms in MRI. These means used the same 10% omission limit as this publication. We read this publication after our calculations and offline rerun were complete. Our report adds task-code checks and paired session comparisons with uncertainty intervals.

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

    This exact dataset release supplied the stop-signal event files and metadata analyzed here.

  4. doi:10.1038/sdata.2016.110
  5. supportsdoi:10.7554/eLife.46323

    The report cites this consensus guide for the integration approach used to estimate SSRT.

  6. supportsdoi:10.1162/imag_a_00454

    The report cites this work for the stated limit that the integration method does not estimate failures to start the stopping process.

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