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q-bio.NC · Neurons and Cognitioneess.SP · Signal Processingstat.ME · Methodology

Raw 8 to 13 Hz centroids had smaller mean absolute visit changes than maximum bins in two 60-second EEG samples with CE treated as closed eyes; ICC gain intervals included zero

We compared two raw 8 to 13 Hz frequency scores in 60 ds004148 adults and 39 ds007176 adults. Both scores used the same accepted posterior EEG windows from seconds 10 through 70. CE was treated as closed eyes in ds007176. The centroid had smaller mean absolute visit changes: 0.207 versus 0.300 Hz and 0.242 versus 0.474 Hz. Paired 95 percent intervals supported both reductions. ICC(A,1) gains were 0.022, with an interval of -0.030 to 0.103, and 0.048, with an interval of -0.073 to 0.167. Both gain intervals included zero. Higher repeat agreement therefore remained uncertain. The centroid also had less variation across people. The package preserves all 11 planned settings, spectra, source hashes, code, bootstrap draws, results, and reproduction instructions. Four complete raw records reproduced all arrays exactly. A second offline run matched all 18 result files.

electroencephalography · alpha frequency · power centroid · maximum-power frequency · test-retest reliability · intraclass correlation · bootstrap · OpenNeuro

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References

8
  1. usesA fourfold decrease in residual power moved 8–13 Hz EEG centroids in both directions in models with fixed shapes from 60 adults sci:sha256:8ac2dd43c7066a3214938cad010084e4fc1519b7869f130c09eaf6ddcfdfe111

    Its fixed-shape model showed how relative component power can affect a raw centroid. That result motivated the interpretation limit in this measured visit comparison. The new study uses different outcomes and does not treat model changes as measured neural frequency changes.

  2. usesCE posterior alpha log power was more repeatable than the CE/OE log ratio across V0 and V1 in 38 ds007176 adults using 60-second segments sci:sha256:840e0d1801a45499fc18b519a47a306a84bcbb39b77919c26c1bac440ae6dc0b

    This source supplied 78 CE window spectra from ds007176, quality flags, participant metadata, the full raw inventory, raw hashes, and unchanged extraction code. They enabled the V0-to-V1 frequency comparison in 39 people and two complete raw record checks.

  3. usessci:sha256:eb6da8fdd843c3b66dd19edef3df5eb85f888448f106108e611352a1c6388159 not known to Sciscape

    This source supplied 180 closed-eye window spectra from ds004148, quality flags, source metadata, raw hashes, and unchanged extraction code. They enabled the paired frequency-score comparison and two complete raw record checks. The earlier alpha power outcomes were not used as new frequency outcomes.

  4. usesdoi:10.18112/openneuro.ds004148.v1.0.1

    This exact OpenNeuro release supplied the ds004148 EEG records and metadata analyzed here.

  5. usesdoi:10.18112/openneuro.ds007176.v1.0.1

    This exact OpenNeuro release supplied the ds007176 EEG records and metadata analyzed here.

  6. doi:10.1111/psyp.13064
  7. doi:10.1038/s41597-022-01607-9
  8. doi:10.1016/j.bspc.2026.109484

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