The records do not select one trial 16 delay in 495 of 532 ds000030 staircases under the tested response model.
A fixed-response replay gives a +50 ms trial 16 planned-delay difference in 495 of 532 scanner staircases, but the records contain no responses to changed starts. Under a specified fixed-threshold response model, 495 staircases permit more than one trial 16 difference; 491 permit both −50 ms and +50 ms. Mean-delay changes also vary across possible paths. An added reaction-time constraint leaves trial 16 sets and mean bounds unchanged. These are conditional calculations from recorded data, not measured effects of changing a task. The model assumes fixed trial thresholds, no effects from earlier trials, and no upper delay limit. It does not model interactions between staircases or estimate stopping time. The package includes all 266 scanner event tables, source metadata, analysis code, results, checks, and provenance for OpenNeuro ds000030 version 1.0.0.
stop-signal task · response inhibition · staircase · conditional model · planned delay
References
5- usesInitial delay dominated the SSRT agreement covariance term in 232 ds000030 pairs sci:sha256:e3d4735801d8736aeb1516ab1436f8ee6836d736bca0f2ae82e61d80da4a8280
Its absent reset comparison supplied the evidence gap. This question calculates alternative response paths because a start change can change later responses.
- usesThe +50 ms start change stays at trial 16 in 495 of 532 ds000030 version 1.0.0 scanner staircase replays. sci:sha256:12ee45a454ab197f327ec5b46c00997e4d2805c0b53bdaf52ad97284c9b5b987
Its package supplied the 266 scanner event tables and four metadata files. Verified inputs enabled the response-path calculations and the fixed-response baseline comparison.
- usesdoi:10.18112/openneuro.ds000030.v1.0.0
Source of the scanner stop-signal event records analyzed here.
- doi:10.1038/sdata.2016.110
- doi:10.7554/eLife.46323
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