A role for retro-splenial cortex in the task-related P3 network [Research Data]

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Das, Diptyajit; Shaw, Marnie E.; Hämäläinen, Matti S.; Dykstra, Andrew R.; Doll, Laura; Gutschalk, Alexander, 2023, "A role for retro-splenial cortex in the task-related P3 network [Research Data]", https://doi.org/10.11588/data/YB9SQI, heiDATA, V1
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Description
Objective: The P3 is an event-related response observed in relation to task-relevant sensory events. Despite its ubiquitous presence, the neural generators of the P3 are controversial and not well identified. Methods: We compared source analysis of combined magneto- and electroencephalography (M/EEG) data with functional magnetic resonance imaging (fMRI) and simulation studies to better understand the sources of the P3 in an auditory oddball paradigm. Results: Our results suggest that the dominant source of the classical, postero-central P3 lies in the retro-splenial cortex of the ventral cingulate gyrus. A second P3 source in the anterior insular cortex contributes little to the postero-central maximum. Multiple other sources in the auditory, somatosensory, and anterior midcingulate cortex are active in an overlapping time window but can be functionally dissociated based on their activation time courses. Conclusions: The retro-splenial cortex is a dominant source of the parietal P3 maximum in EEG. Significance: These results provide a new perspective for the interpretation of the extensive research based on the P3 response. (2023-11-28)
Subject Medicine, Health and Life Sciences
Keyword P300, insular cortex, EEG, MEG, fMRI, source analysis
Related Publication Diptyajit Das, Marnie E. Shaw, Matti S. Hämäläinen, Andrew R. Dykstra, Laura Doll, Alexander Gutschalk, A role for retro-splenial cortex in the task-related P3 network, Clinical Neurophysiology, Volume 157, 2024, Pages 96-109, ISSN 1388-2457, https://doi.org/10.1016/j.clinph.2023.11.014. (https://www.sciencedirect.com/science/article/pii/S1388245723007903) doi: https://doi.org/10.1016/j.clinph.2023.11.014
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fMRI.zip
ZIP Archive - 37.4 GB
Published Dec 13, 2023
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MD5: 32f7f14cbd87fac3bfa7115b81127e3f
Info: This dataset contains the fMRI data accompanying the paper: "A role for retro-splenial cortex in the task-related P3 network". The dataset includes: 1. Individual subject/participants folder contains raw and Preprocessed data, 12 subjects in total. 2. First Level Analysis (time series) is stored in the folders named as aud_P3.lh; aud_P3.rh; aud_P3.mni305( left, right hemisphere and sub-cortical structure) 3. Group Level Analysis is stored in the folder named as group. For a full description of the paradigm and the employed procedures please see the manuscript. Acknowledgement: fMRI data were processed using FsFast pipeline (https://surfer.nmr.mgh.harvard.edu/fswiki/FsFastTutorialV6.0). Script details (provided under fMRI scripts folder): 1. p300_fmri_stimuli.py (info: script for stimuli creation) 2. fMRI_group_analysis.py (info: script for fs-fast pipeline)
MEEG.zip
ZIP Archive - 10.6 GB
Published Dec 13, 2023
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MD5: 0b0a56a01cb4d20e96ea0a2f3360a210
Info: This dataset contains the MEG-EEG data accompanying the paper: "A role for retro-splenial cortex in the task-related P3 network". The dataset includes: Individual subject/participants folder contains raw data (unprocessed, 12 subjects in total). All the files contain both MEG and EEG data together. Each subject has 3 runs, except for subject 11 which has only 2 runs. So called derivatives folder contains all the processed data. Data is mainly processed using MNE software (https://mne.tools/stable/index.html), all the scripts are available in MNE website. Derivatives sub-directories contain a README file that provides the description of the folder and filenames. For a full description of the paradigm and the employed procedures please see the manuscript. Acknowledgement: All the files in this dataset are processed with The Brain Imaging Data Structure (https://bids-specification.readthedocs.io/en/stable/) using MNE-BIDS pipeline (https://mne.tools/mne-bids/stable/index.html).
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