NM000160: eeg dataset, 18 subjects#

Multi-joint upper-limb MI dataset from Yi et al. 2025

Access recordings and metadata through EEGDash.

Citation: Weibo Yi, Jiaming Chen, Dan Wang, Xinkang Hu, Meng Xu, Fangda Li, Shuhan Wu, Jin Qian (2025). Multi-joint upper-limb MI dataset from Yi et al. 2025.

Modality: eeg Subjects: 18 Recordings: 141 License: CC-BY-NC-ND-4.0 Source: nemar

Metadata: Complete (90%)

Quickstart#

Install

pip install eegdash

Access the data

from eegdash.dataset import NM000160

dataset = NM000160(cache_dir="./data")
# Get the raw object of the first recording
raw = dataset.datasets[0].raw
print(raw.info)

Filter by subject

dataset = NM000160(cache_dir="./data", subject="01")

Advanced query

dataset = NM000160(
    cache_dir="./data",
    query={"subject": {"$in": ["01", "02"]}},
)

Iterate recordings

for rec in dataset:
    print(rec.subject, rec.raw.info['sfreq'])

If you use this dataset in your research, please cite the original authors.

BibTeX

@dataset{nm000160,
  title = {Multi-joint upper-limb MI dataset from Yi et al. 2025},
  author = {Weibo Yi and Jiaming Chen and Dan Wang and Xinkang Hu and Meng Xu and Fangda Li and Shuhan Wu and Jin Qian},
}

About This Dataset#

Multi-joint upper-limb MI dataset from Yi et al. 2025

Multi-joint upper-limb MI dataset from Yi et al. 2025.

Dataset Overview

  • Code: Yi2025

  • Paradigm: imagery

  • DOI: 10.1038/s41597-025-05286-0

View full README

Multi-joint upper-limb MI dataset from Yi et al. 2025

Multi-joint upper-limb MI dataset from Yi et al. 2025.

Dataset Overview

  • Code: Yi2025

  • Paradigm: imagery

  • DOI: 10.1038/s41597-025-05286-0

  • Subjects: 18

  • Sessions per subject: 1

  • Events: hand_open_close=1, wrist_flex_ext=2, wrist_abd_add=3, elbow_pron_sup=4, elbow_flex_ext=5, shoulder_pron_sup=6, shoulder_abd_add=7, shoulder_flex_ext=8

  • Trial interval: [0, 4] s

  • Runs per session: 8

  • File format: CNT

Acquisition

  • Sampling rate: 1000.0 Hz

  • Number of channels: 62

  • Channel types: eeg=62

  • Channel names: Fp1, Fpz, Fp2, AF3, AF4, F7, F5, F3, F1, Fz, F2, F4, F6, F8, FT7, FC5, FC3, FC1, FCz, FC2, FC4, FC6, FT8, T7, C5, C3, C1, Cz, C2, C4, C6, T8, TP7, CP5, CP3, CP1, CPz, CP2, CP4, CP6, TP8, P7, P5, P3, P1, Pz, P2, P4, P6, P8, PO7, PO5, PO3, POz, PO4, PO6, PO8, CB1, O1, Oz, O2, CB2

  • Montage: standard_1005

  • Hardware: Neuroscan SynAmps2

  • Reference: left mastoid (M1)

  • Line frequency: 50.0 Hz

Participants

  • Number of subjects: 18

  • Health status: healthy

  • Age: min=22, max=27

  • Gender distribution: female=10, male=8

  • Handedness: right

  • BCI experience: naive

  • Species: human

Experimental Protocol

  • Paradigm: imagery

  • Number of classes: 8

  • Class labels: hand_open_close, wrist_flex_ext, wrist_abd_add, elbow_pron_sup, elbow_flex_ext, shoulder_pron_sup, shoulder_abd_add, shoulder_flex_ext

  • Trial duration: 4.0 s

  • Study design: 8-class multi-joint upper-limb MI. 8 blocks of 40 trials (5 per class), 320 total trials per subject.

  • Feedback type: none

  • Stimulus type: video + text

  • Stimulus modalities: visual

  • Primary modality: visual

  • Synchronicity: cue-based

  • Mode: offline

HED Event Annotations

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

hand_open_close
     ├─ Sensory-event
     └─ Label/hand_open_close

wrist_flex_ext
     ├─ Sensory-event
     └─ Label/wrist_flex_ext

wrist_abd_add
     ├─ Sensory-event
     └─ Label/wrist_abd_add

elbow_pron_sup
     ├─ Sensory-event
     └─ Label/elbow_pron_sup

elbow_flex_ext
     ├─ Sensory-event
     └─ Label/elbow_flex_ext

shoulder_pron_sup
     ├─ Sensory-event
     └─ Label/shoulder_pron_sup

shoulder_abd_add
     ├─ Sensory-event
     └─ Label/shoulder_abd_add

shoulder_flex_ext
├─ Sensory-event
└─ Label/shoulder_flex_ext

Paradigm-Specific Parameters

  • Detected paradigm: motor_imagery

  • Imagery tasks: hand_open_close, wrist_flex_ext, wrist_abd_add, elbow_pron_sup, elbow_flex_ext, shoulder_pron_sup, shoulder_abd_add, shoulder_flex_ext

  • Cue duration: 2.0 s

  • Imagery duration: 4.0 s

Data Structure

  • Trials: 320

  • Trials per class: hand_open_close=40, wrist_flex_ext=40, wrist_abd_add=40, elbow_pron_sup=40, elbow_flex_ext=40, shoulder_pron_sup=40, shoulder_abd_add=40, shoulder_flex_ext=40

  • Blocks per session: 8

  • Trials context: 8 blocks x 40 trials (5 per class x 8 classes)

Signal Processing

  • Classifiers: ShallowConvNet

  • Feature extraction: ERSP

  • Frequency bands: alpha=[8.0, 13.0] Hz; beta=[13.0, 30.0] Hz; bandpass=[4.0, 40.0] Hz

  • Spatial filters: CAR

Cross-Validation

  • Method: 5-fold

  • Folds: 5

  • Evaluation type: within_subject

BCI Application

  • Applications: rehabilitation

  • Environment: laboratory

  • Online feedback: False

Tags

  • Pathology: Healthy

  • Modality: Motor

  • Type: Motor Imagery

Documentation

  • DOI: 10.1038/s41597-025-05286-0

  • License: CC-BY-NC-ND-4.0

  • Investigators: Weibo Yi, Jiaming Chen, Dan Wang, Xinkang Hu, Meng Xu, Fangda Li, Shuhan Wu, Jin Qian

  • Institution: Beijing University of Technology

  • Country: CN

  • Data URL: https://figshare.com/articles/dataset/Data/24123303

  • Publication year: 2025

References

Yi, W., Chen, J., Wang, D., et al. (2025). A multi-modal dataset of EEG and fNIRS for motor imagery of multi-types of joints from unilateral upper limb. Scientific Data, 12, 953. https://doi.org/10.1038/s41597-025-05286-0 Notes .. versionadded:: 1.2.0 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 1.5.0 (Mother of All BCI Benchmarks) https://github.com/NeuroTechX/moabb

Dataset Information#

Dataset ID

NM000160

Title

Multi-joint upper-limb MI dataset from Yi et al. 2025

Author (year)

Yi2025

Canonical

Importable as

NM000160, Yi2025

Year

2025

Authors

Weibo Yi, Jiaming Chen, Dan Wang, Xinkang Hu, Meng Xu, Fangda Li, Shuhan Wu, Jin Qian

License

CC-BY-NC-ND-4.0

Citation / DOI

Unknown

Source links

OpenNeuro | NeMAR | Source URL

Found an issue with this dataset?

If you encounter any problems with this dataset (missing files, incorrect metadata, loading errors, etc.), please let us know!

Report an Issue on GitHub

Technical Details#

Subjects & recordings
  • Subjects: 18

  • Recordings: 141

  • Tasks: 1

Channels & sampling rate
  • Channels: 62

  • Sampling rate (Hz): 1000.0

  • Duration (hours): 32.48256083333333

Tags
  • Pathology: Healthy

  • Modality: Visual

  • Type: Motor

Files & format
  • Size on disk: 20.3 GB

  • File count: 141

  • Format: BIDS

License & citation
  • License: CC-BY-NC-ND-4.0

  • DOI: —

Provenance

API Reference#

Use the NM000160 class to access this dataset programmatically.

class eegdash.dataset.NM000160(cache_dir: str, query: dict | None = None, s3_bucket: str | None = None, **kwargs)[source]#

Bases: EEGDashDataset

Multi-joint upper-limb MI dataset from Yi et al. 2025

Study:

nm000160 (NeMAR)

Author (year):

Yi2025

Canonical:

Also importable as: NM000160, Yi2025.

Modality: eeg; Experiment type: Motor; Subject type: Healthy. Subjects: 18; recordings: 141; tasks: 1.

Parameters:
  • cache_dir (str | Path) – Directory where data are cached locally.

  • query (dict | None) – Additional MongoDB-style filters to AND with the dataset selection. Must not contain the key dataset.

  • s3_bucket (str | None) – Base S3 bucket used to locate the data.

  • **kwargs (dict) – Additional keyword arguments forwarded to EEGDashDataset.

data_dir#

Local dataset cache directory (cache_dir / dataset_id).

Type:

Path

query#

Merged query with the dataset filter applied.

Type:

dict

records#

Metadata records used to build the dataset, if pre-fetched.

Type:

list[dict] | None

Notes

Each item is a recording; recording-level metadata are available via dataset.description. query supports MongoDB-style filters on fields in ALLOWED_QUERY_FIELDS and is combined with the dataset filter. Dataset-specific caveats are not provided in the summary metadata.

References

OpenNeuro dataset: https://openneuro.org/datasets/nm000160 NeMAR dataset: https://nemar.org/dataexplorer/detail?dataset_id=nm000160

Examples

>>> from eegdash.dataset import NM000160
>>> dataset = NM000160(cache_dir="./data")
>>> recording = dataset[0]
>>> raw = recording.load()
__init__(cache_dir: str, query: dict | None = None, s3_bucket: str | None = None, **kwargs)[source]#
save(path, overwrite=False)[source]#

Save the dataset to disk.

Parameters:
  • path (str or Path) – Destination file path.

  • overwrite (bool, default False) – If True, overwrite existing file.

Return type:

None

See Also#