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Article Dans Une Revue Scientific Data Année : 2021

HD-EEG for tracking sub-second brain dynamics during cognitive tasks

Résumé

This work provides the community with high-density Electroencephalography (HD-EEG, 256 channels) datasets collected during task-free and task-related paradigms. It includes forty-three healthy participants performing visual naming and spelling tasks, visual and auditory naming tasks and a visual working memory task in addition to resting state. The HD-EEG data are furnished in the Brain Imaging Data Structure (BIDS) format. These datasets can be used to (i) track brain networks dynamics and their rapid reconfigurations at sub-second time scale in different conditions, (naming/spelling/rest) and modalities, (auditory/visual) and compare them to each other, (ii) validate several parameters involved in the methods used to estimate cortical brain networks through scalp EEG, such as the open question of optimal number of channels and number of regions of interest and (iii) allow the reproducibility of results obtained so far using HD-EEG. We hope that delivering these datasets will lead to the development of new methods that can be used to estimate brain cortical networks and to better understand the general functioning of the brain during rest and task. Data are freely available from https://openneuro.org .
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hal-03128168 , version 1 (25-05-2021)

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Ahmad Mheich, O Dufor, S Yassine, A Kabbara, A Biraben, et al.. HD-EEG for tracking sub-second brain dynamics during cognitive tasks. Scientific Data , 2021, 8 (1), pp.32. ⟨10.1038/s41597-021-00821-1⟩. ⟨hal-03128168⟩
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