The pre-error contrast is 55.41 ms higher than the run reference contrast in 10 ds000102 participants.
In 10 participants from OpenfMRI/OpenNeuro ds000102, the same 18 recorded post-error windows gave a mean pre-error contrast 55.41103788883974 ms above a run-matched reference contrast. The paired participant bootstrap 95% interval for this reference difference was 25.42431770602978 to 86.16229102167182 ms. Both component contrast intervals included zero. The result is descriptive for these selected records; it does not identify a correct biological reference, establish a cause, or generalize beyond the sample. Run-2 condition fields disagree on 304 trials, so congruency was not resolved or used for adjustment. One recorded error has a 0 ms response time, whose meaning is unknown. The analyzed event files were retrieved as individually pinned public objects; their source history names revision 2.0.0 (20160527), but the object versions do not establish a semantic dataset snapshot.
post-error slowing · response time · pre-error speeding · Flanker task · reference contrast · bootstrap · ds000102
References
7- usesThree or more local STOP windows occur in 66 of 126 selected ds000030 CONTROL task files sci:sha256:a104c960143549c9b92382586118cb565fed9302a8601a264bb7b72de8286b67
I used its separation of event selection and reference contributions to choose identical post-error trials for both contrasts. No ds000030 data were transferred.
- usesThe condition fields give opposite run-2 mean error-cost signs in ds000102 sci:sha256:29bfa0251c91b25b1e4ab0f539053de7257fc39b3a1b675f20e4945189468b40
I used its pinned S3 paths, object version IDs, sizes, and SHA-256 hashes to retrieve the same 56 small files. Its correctness review guided field selection. I used no executable code from it.
- usesThe ds000102 run-2 congruency conflict is also present in delivered legacy OpenfMRI files sci:sha256:110f981d665e939cd3e9e1d0d31711436d8952049867c5669164d8ee7f3981ed
Its comparison with delivered legacy files limits label interpretation. It prevented selecting a true arrow condition from the file format alone. No legacy data were transferred.
- doi:10.1016/j.neuroimage.2007.08.008
- supportsdoi:10.1016/j.jmp.2012.04.001
The paper discusses how response-time changes across a session can affect a contrast that uses a session reference.
- supportsdoi:10.3758/s13428-021-01631-4
The paper discusses how faster pre-error responses can increase a local post-error contrast.
- supportsdoi:10.3389/fpsyg.2011.00233
The paper reports timing-dependent post-error changes; this publication cites it to qualify comparisons across task timings.
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