59-subject 40-class SSVEP dataset

59-subject 40-class SSVEP dataset.

Dataset Overview

Code: Dong2023
Paradigm: ssvep
DOI: 10.26599/BSA.2023.9050020
Subjects: 59
Sessions per subject: 1
Events: 8=1, 8.2=2, 8.4=3, 8.6=4, 8.8=5, 9=6, 9.2=7, 9.4=8, 9.6=9, 9.8=10, 10=11, 10.2=12, 10.4=13, 10.6=14, 10.8=15, 11=16, 11.2=17, 11.4=18, 11.6=19, 11.8=20, 12=21, 12.2=22, 12.4=23, 12.6=24, 12.8=25, 13=26, 13.2=27, 13.4=28, 13.6=29, 13.8=30, 14=31, 14.2=32, 14.4=33, 14.6=34, 14.8=35, 15=36, 15.2=37, 15.4=38, 15.6=39, 15.8=40
Trial interval: [0.5, 4.5] s
File format: MAT

Acquisition

Sampling rate: 250.0 Hz
Number of channels: 8
Channel types: eeg=8
Channel names: POz, PO3, PO4, PO7, PO8, Oz, O1, O2
Montage: standard_1005
Hardware: NeuSenW (Neuracle)
Reference: Fp1
Ground: Fp2
Sensor type: semi-dry (pre-gelled)
Line frequency: 50.0 Hz

Participants

Number of subjects: 59
Health status: healthy
Age: mean=12.4, min=10, max=16
Gender distribution: male=37, female=22

Experimental Protocol

Paradigm: ssvep
Task type: SSVEP speller
Number of classes: 40
Class labels: 8, 8.2, 8.4, 8.6, 8.8, 9, 9.2, 9.4, 9.6, 9.8, 10, 10.2, 10.4, 10.6, 10.8, 11, 11.2, 11.4, 11.6, 11.8, 12, 12.2, 12.4, 12.6, 12.8, 13, 13.2, 13.4, 13.6, 13.8, 14, 14.2, 14.4, 14.6, 14.8, 15, 15.2, 15.4, 15.6, 15.8
Trial duration: 4.0 s
Feedback type: visual
Stimulus type: JFPM visual flicker
Stimulus modalities: visual
Primary modality: visual
Synchronicity: synchronous
Mode: offline
Training/test split: False

HED Event Annotations

Schema: HED 8.4.0 | Browse: https://www.hedtags.org/hed-schema-browser

  8
    ├─ Sensory-event
    ├─ Experimental-stimulus
    ├─ Visual-presentation
    └─ Label/8

  8.2
    ├─ Sensory-event
    ├─ Experimental-stimulus
    ├─ Visual-presentation
    └─ Label/8_2

  8.4
    ├─ Sensory-event
    ├─ Experimental-stimulus
    ├─ Visual-presentation
    └─ Label/8_4

  8.6
    ├─ Sensory-event
    ├─ Experimental-stimulus
    ├─ Visual-presentation
    └─ Label/8_6

  8.8
    ├─ Sensory-event
    ├─ Experimental-stimulus
    ├─ Visual-presentation
    └─ Label/8_8

  9
    ├─ Sensory-event
    ├─ Experimental-stimulus
    ├─ Visual-presentation
    └─ Label/9

  9.2
    ├─ Sensory-event
    ├─ Experimental-stimulus
    ├─ Visual-presentation
    └─ Label/9_2

  9.4
    ├─ Sensory-event
    ├─ Experimental-stimulus
    ├─ Visual-presentation
    └─ Label/9_4

  9.6
    ├─ Sensory-event
    ├─ Experimental-stimulus
    ├─ Visual-presentation
    └─ Label/9_6

  9.8
    ├─ Sensory-event
    ├─ Experimental-stimulus
    ├─ Visual-presentation
    └─ Label/9_8

  10
    ├─ Sensory-event
    ├─ Experimental-stimulus
    ├─ Visual-presentation
    └─ Label/10

  10.2
    ├─ Sensory-event
    ├─ Experimental-stimulus
    ├─ Visual-presentation
    └─ Label/10_2

  10.4
    ├─ Sensory-event
    ├─ Experimental-stimulus
    ├─ Visual-presentation
    └─ Label/10_4

  10.6
    ├─ Sensory-event
    ├─ Experimental-stimulus
    ├─ Visual-presentation
    └─ Label/10_6

  10.8
    ├─ Sensory-event
    ├─ Experimental-stimulus
    ├─ Visual-presentation
    └─ Label/10_8

  11
    ├─ Sensory-event
    ├─ Experimental-stimulus
    ├─ Visual-presentation
    └─ Label/11

  11.2
    ├─ Sensory-event
    ├─ Experimental-stimulus
    ├─ Visual-presentation
    └─ Label/11_2

  11.4
    ├─ Sensory-event
    ├─ Experimental-stimulus
    ├─ Visual-presentation
    └─ Label/11_4

  11.6
    ├─ Sensory-event
    ├─ Experimental-stimulus
    ├─ Visual-presentation
    └─ Label/11_6

  11.8
    ├─ Sensory-event
    ├─ Experimental-stimulus
    ├─ Visual-presentation
    └─ Label/11_8

  12
    ├─ Sensory-event
    ├─ Experimental-stimulus
    ├─ Visual-presentation
    └─ Label/12

  12.2
    ├─ Sensory-event
    ├─ Experimental-stimulus
    ├─ Visual-presentation
    └─ Label/12_2

  12.4
    ├─ Sensory-event
    ├─ Experimental-stimulus
    ├─ Visual-presentation
    └─ Label/12_4

  12.6
    ├─ Sensory-event
    ├─ Experimental-stimulus
    ├─ Visual-presentation
    └─ Label/12_6

  12.8
    ├─ Sensory-event
    ├─ Experimental-stimulus
    ├─ Visual-presentation
    └─ Label/12_8

  13
    ├─ Sensory-event
    ├─ Experimental-stimulus
    ├─ Visual-presentation
    └─ Label/13

  13.2
    ├─ Sensory-event
    ├─ Experimental-stimulus
    ├─ Visual-presentation
    └─ Label/13_2

  13.4
    ├─ Sensory-event
    ├─ Experimental-stimulus
    ├─ Visual-presentation
    └─ Label/13_4

  13.6
    ├─ Sensory-event
    ├─ Experimental-stimulus
    ├─ Visual-presentation
    └─ Label/13_6

  13.8
    ├─ Sensory-event
    ├─ Experimental-stimulus
    ├─ Visual-presentation
    └─ Label/13_8

  14
    ├─ Sensory-event
    ├─ Experimental-stimulus
    ├─ Visual-presentation
    └─ Label/14

  14.2
    ├─ Sensory-event
    ├─ Experimental-stimulus
    ├─ Visual-presentation
    └─ Label/14_2

  14.4
    ├─ Sensory-event
    ├─ Experimental-stimulus
    ├─ Visual-presentation
    └─ Label/14_4

  14.6
    ├─ Sensory-event
    ├─ Experimental-stimulus
    ├─ Visual-presentation
    └─ Label/14_6

  14.8
    ├─ Sensory-event
    ├─ Experimental-stimulus
    ├─ Visual-presentation
    └─ Label/14_8

  15
    ├─ Sensory-event
    ├─ Experimental-stimulus
    ├─ Visual-presentation
    └─ Label/15

  15.2
    ├─ Sensory-event
    ├─ Experimental-stimulus
    ├─ Visual-presentation
    └─ Label/15_2

  15.4
    ├─ Sensory-event
    ├─ Experimental-stimulus
    ├─ Visual-presentation
    └─ Label/15_4

  15.6
    ├─ Sensory-event
    ├─ Experimental-stimulus
    ├─ Visual-presentation
    └─ Label/15_6

  15.8
    ├─ Sensory-event
    ├─ Experimental-stimulus
    ├─ Visual-presentation
    └─ Label/15_8

Paradigm-Specific Parameters

Detected paradigm: ssvep
Stimulus frequencies: [8.0, 8.2, 8.4, 8.6, 8.8, 9.0, 9.2, 9.4, 9.6, 9.8, 10.0, 10.2, 10.4, 10.6, 10.8, 11.0, 11.2, 11.4, 11.6, 11.8, 12.0, 12.2, 12.4, 12.600000000000001, 12.8, 13.0, 13.2, 13.4, 13.600000000000001, 13.8, 14.0, 14.2, 14.4, 14.600000000000001, 14.8, 15.0, 15.2, 15.4, 15.600000000000001, 15.8] Hz
Frequency resolution: 0.2 Hz

Data Structure

Trials: 160
Blocks per session: 4

Preprocessing

Data state: epoched
Downsampled to: 250.0 Hz

Signal Processing

Classifiers: FBCCA, eTRCA, msTRCA
Spatial filters: CCA, TRCA

Cross-Validation

Method: leave-one-block-out
Folds: 4
Evaluation type: within_subject

BCI Application

Environment: non-shielded
Online feedback: True

Documentation

DOI: 10.26599/BSA.2023.9050020
License: CC BY-NC 4.0
Investigators: Yue Dong, Sen Tian
Senior author: Yue Dong
Institution: Jiangsu JITRI Brain Machine Fusion Intelligence Institute
Country: CN
Repository: Zenodo
Data URL: https://zenodo.org/records/18847318
Publication year: 2023

References

Y. Dong and S. Tian, "A large database towards user-friendly SSVEP-based BCI," Brain Science Advances, vol. 9, no. 4, pp. 297-309, 2023. DOI: 10.26599/BSA.2023.9050020 Appelhoff, S., Sanderson, M., Brooks, T., Vliet, M., Quentin, R., Holdgraf, C., Chaumon, M., Mikulan, E., Tavabi, K., Hochenberger, R., Welke, D., Brunner, C., Rockhill, A., Larson, E., Gramfort, A. and Jas, M. (2019). MNE-BIDS: Organizing electrophysiological data into the BIDS format and facilitating their analysis. Journal of Open Source Software 4: (1896). https://doi.org/10.21105/joss.01896

Pernet, C. R., Appelhoff, S., Gorgolewski, K. J., Flandin, G., Phillips, C., Delorme, A., Oostenveld, R. (2019). EEG-BIDS, an extension to the brain imaging data structure for electroencephalography. Scientific Data, 6, 103. https://doi.org/10.1038/s41597-019-0104-8

Generated by MOABB 1.4.3 (Mother of All BCI Benchmarks) https://github.com/NeuroTechX/moabb

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59-subject 40-class SSVEP dataset

Dataset Overview

Acquisition

Participants

Experimental Protocol

HED Event Annotations

Paradigm-Specific Parameters

Data Structure

Preprocessing

Signal Processing

Cross-Validation

BCI Application

Tags

Documentation

References

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59-subject 40-class SSVEP dataset

Dataset Overview

Acquisition

Participants

Experimental Protocol

HED Event Annotations

Paradigm-Specific Parameters

Data Structure

Preprocessing

Signal Processing

Cross-Validation

BCI Application

Tags

Documentation

References

About

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