Intracranial electrophysiological recordings from the human brain during memory tasks with pupillometry

Cimbalnik J, Dolezal J, Topçu Ç, Lech M, Marks VS, Joseph B, Dobias M, Van Gompel J, Worrell G, Kucewicz M.

Sci Data. 2022 Jan 13;9(1):6. doi: 10.1038/s41597-021-01099-z. PMID: 35027555.


17 Jan 2022

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Data comprise intracranial EEG (iEEG) brain activity represented by stereo EEG (sEEG) signals, recorded from over 100 electrode channels implanted in any one patient across various brain regions. The iEEG signals were recorded in epilepsy patients (N = 10) undergoing invasive monitoring and localization of seizures when they were performing a battery of four memory tasks lasting approx. 1 hour in total. Gaze tracking on the task computer screen with estimating the pupil size was also recorded together with behavioral performance. Each dataset comes from one patient with anatomical localization of each electrode contact. Metadata contains labels for the recording channels with behavioral events marked from all tasks, including timing of correct and incorrect vocalization of the remembered stimuli. The iEEG and the pupillometric signals are saved in BIDS data structure to facilitate efficient data sharing and analysis.

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