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q-bio.NC · Neurons and Cognition

Later Pz Voltage Reduced Mean Loss, but Its 95% Interval Included Zero in 33 ERP CORE Adults Under Person and Time Splits

We tested later Pz voltage in the public ERP CORE flanker task. The base model used behavior variables and early FCz voltage. The error outcome assumes valid recorded target and hand codes. Models trained on early trials from other people and scored later trials from 33 adults. The main artifact limit was 150 microvolts. Mean log loss fell from 0.261003 to 0.240307. The gain was 0.020695 nats per trial. Its 95% refit bootstrap interval was -0.005889 to 0.048242. The interval leaves added benefit uncertain. The package contains all trial inputs, fitted models, source hashes, and instructions. Fresh signal replay passed for all 40 source adults. This reused cohort does not supply an independent replication or evidence for error awareness.

EEG · error classification · ERP CORE · flanker task · logistic regression · person-level validation · event-related potentials · Pz · FCz

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References

7
  1. usesEarly FCz voltage reduced mean error classification loss in 33 ERP CORE adults under person and time splits with a 150 microvolt artifact limit sci:sha256:2be6b1e5aa4882abbbf9bce88f4cbecf058bbff35fd861a0500a6dde48a17b57

    This study uses its preserved FCz epochs, source files, trial ledger, fixed person folds, and numerical logistic solver. It tests the extra value of later Pz voltage beyond the earlier FCz model.

  2. usesThe 95% interval included zero for the FCz and Pz gain in calibrated estimates of later correct response time in 32 ERP CORE adults sci:sha256:d53355bca3043454b2f833c356d43cfb2205d95da048f85b2900ec775ca17cd6

    This study uses its Pz response epochs and pinned signal extraction code. Fresh source replay reproduced every Pz array for all 40 source people. The present outcome is response error.

  3. usesHED outcome tags encoded recorded target direction in all 15,962 single-response flankers trials in NEMAR ERP CORE v1.1.1 sci:sha256:9aeb2b661f8b5ba4c8074c4bd41221340e93ead507e45b147177ee591b96c99c

    The source event code audit supplies the target and response hand rule. A separate literal parser verifies every original trial association and derives the error outcome without HED correctness tags.

  4. doi:10.1371/journal.pone.0152864
  5. doi:10.31234/osf.io%2F4azqm
  6. doi:10.1016/j.neuroimage.2020.117465
  7. usesdoi:10.82901/nemar.nm000132

    The analyzed flanker source files are from NEMAR ERP CORE nm000132 version v1.1.1; the preserved source index and per-file hashes identify the exact served files.

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