GuttmannFlury2025 — Eye-BCI multimodal dataset: P300 Speller (4-letter) (re-hosted from Synapse, EEG converted to BDF)
GuttmannFlury2025 — Eye-BCI multimodal dataset: P300 Speller (4-letter) (re-hosted from Synapse, EEG converted to BDF)
Re-hosted EEG multimodal data (P300 Speller (4-letter)) from Guttmann-Flury, Sheng & Zhu (2025), originally deposited on Synapse (DOI: 10.7303/syn64005218) under a CC0 public domain dedication. EEG data converted from Neuroscan CSV to BDF format for ~3x space reduction with negligible loss (max 0.006 μV error). Paper E. Guttmann-Flury, X. Sheng, and X. Zhu, “Dataset combining EEG, eye-tracking, and high-speed video for ocular activity analysis across BCI paradigms,” Scientific Data, 12, 587, 2025.DOI: 10.1038/s41597-025-04861-9 Paradigm: P300 Speller (4-letter) ClassesP300 oddball: target vs non-target flashesTrialsRow/column flashing in 4-letter gridTimingStandard P300 speller timingDuration~10-11.5 min per recordingEventsTrig codes for target/non-target flashes Participants 31 healthy subjects (20 male, 11 female) Age: 20–57 years (mean 28.3) 25 right-handed, 2 left-handed, 4 ambidextrous 1–3 sessions per subject (63 sessions total) Recording setup ParameterValueSystemNeuroscan Quik-Cap 65-ch + SynAmps2Channels62 EEG + 2 mastoid (M1/M2) + 1 EOG (HEO) + 1 STIM (Trig) = 66Sampling rate1000 HzReferenceRight mastoid (M1)Line frequency50 HzFile formatBDF (24-bit, converted from CSV) Multimodal data per recording FileContentP3004LXXX.bdfEEG (66 channels, BDF)P3004LXXX_sync.csvMetadata sidecar (timestamps, cues, video sync, blinks)P3004LXXX_annotations.jsonRich trial annotations with E-Prime timing metadataP3004LXXX_tobii.csvTobii eye-tracking gaze dataP3004LXXX_phantom.aviHigh-speed eye video (~500 fps)P3004LXXX_phantom.xmlEye video annotations (pupil tracking)P3004LXXX_eprime.txtE-Prime stimulus timing/cues File structure 31 per-subject ZIP files (S01.zip–S31.zip). Each contains 1–3 session folders: S01.zip Sess01/ P3004L011.bdf P3004L011_sync.csv P3004L011_tobii.csv P3004L011_phantom.avi P3004L011_phantom.xml P3004L011_eprime.txt ... S31.zip Conversion details EEG: Neuroscan CSV → BDF (24-bit), ~3.2x compression Round-trip error: max 0.006 μV (0.000003% of signal range) Non-EEG CSV columns (timestamps, cues, video sync, blinks) preserved in _sync.csv sidecar Eye-tracking, video, E-Prime files: copied byte-for-byte (no conversion) Reading the data import mne raw = mne.io.read_raw_bdf('P3004L011.bdf', preload=True) print(raw.info) # 66 channels, 1000 Hz License CC0 1.0 Universal (Public Domain Dedication), as stated in the original paper (Section “Data Records”).
This is a re-hosted copy of the P300 Speller (4-letter) paradigm data from the Eye-BCI multimodal dataset originally deposited on Synapse (DOI: 10.7303/syn64005218) by Guttmann-Flury et al. EEG data has been converted from Neuroscan CSV to BDF format for space efficiency. All other modalities (eye-tracking, video, stimulus cues) are unchanged.
eye-tracking, speller, brain-computer interface, MOABB, multimodal, EEG, BCI, P300, BDF
eye-tracking, speller, brain-computer interface, MOABB, multimodal, EEG, BCI, P300, BDF
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