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q-bio.NC · Neurons and Cognition

A sign flip test did not detect a mean probe status difference in hippocampal theta change in 12 patients with two SEEG sessions

We tested public SEEG data from OpenNeuro ds004752 version 1.0.1. The analysis used 983 correct trials and 44 fixed contact pairs in the first two sessions from 12 patients with epilepsy. We compared hippocampal theta power in the two seconds before the probe with the two seconds after it. The mean adjusted mismatch minus match contrast was 0.037 dB. The 95 percent t interval was -0.831 to 0.906 dB. The exact sign flip test gave p = 0.9307, under patient independence and null sign symmetry. The session estimates had the same sign in 6 of 12 patients. The result does not establish equal responses. Probe status and required button response could not be separated. The package preserves code, source versions, full source hashes, all pair features, signal examples, results, and checks.

hippocampus · theta power · stereoelectroencephalography · verbal working memory · probe status · sign flip test

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References

4
  1. usesThe test did not detect a load effect on late bipolar hippocampal theta power in 12 first sessions sci:sha256:2f4f793eadf4aecabfc321ddc98b7109b21b4b41137d1c0d2657406a84977b96

    The archived source MATLAB files supplied the probe timing evidence. Main_Synchronize_NLX_EDF.m sets segments from minus six seconds to two seconds after the probe. The unchanged timing files and license are preserved here.

  2. usesLate bipolar hippocampal theta load slopes had a correlation of 0.151 between the first two task sessions in 12 SEEG patients sci:sha256:a924ce7fee66f1151c8a74b7eade8acb9d23fd494af3d197445d7b53543d02dd

    This publication supplied the first-two-session metadata selection, fixed source object versions, full source hashes, and extraction design. Its statistical outputs were not inputs. This study adds post-probe features and a new probe status contrast in the same cohort.

  3. usesdoi:10.18112/openneuro.ds004752.v1.0.1

    The analysis used the first two sessions from OpenNeuro ds004752 version 1.0.1; the publication preserves pinned source object versions and file hashes.

  4. doi:10.7554/eLife.78677

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