A multi-session simultaneous EEG-fMRI dataset with repeated experience sampling

A multi-session simultaneous EEG-fMRI dataset from 24 healthy adults provides ~1.33 hours per participant of continuous resting-state data with repeated experience sampling across two days.

• Why it matters: Linking EEG’s temporal detail with fMRI’s spatial coverage is needed to study how brain activity relates to unfolding mental experience, and to test within-person reliability across sessions.
• What they did: The authors collected simultaneous EEG-fMRI in BIDS format, including carbon wire loop EEG for artifact removal, continuous task responses, and experience sampling across 13 thought dimensions (36 repetitions; 468 total ratings per participant).
• The result: The repeated two-day protocol enables analyses of behavioral and experiential relevance of wakeful resting-state brain activity and reliability of EEG–fMRI feature relationships within individuals.

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