Login is moving

Authentication for nemar.org is migrating from the legacy system to the new Cloudflare-backed identity. Until that ships, sign in via the CLI:

npm install -g nemar-cli
nemar login
on004018
NEMAR copy of ds004018

EEG recordings for 200 object images presented in RSVP sequences at 5Hz or 20Hz

Imported from OpenNeuro ds004018

EEG

Compute on this dataset

Two routes today, with a third (in-browser one-click submission) landing soon.

  1. NeuroScience Gateway (NSG) portal.

    NSG runs EEGLAB / Brainstorm / MNE pipelines on supercomputing time donated by SDSC. Create an account, point a job at this dataset's S3 prefix (s3://nemar/on004018), and submit.
    nsgportal.org →

  2. Local processing with nemar-cli.

    Pull the dataset to your machine and run any toolbox locally. Honors the published version pinning.

    npm install -g nemar-cli
    nemar dataset clone on004018
    cd on004018 && nemar dataset get
  3. Just the files.

    rclone, aria2c, or any HTTPS client works against data.nemar.org/on004018/ — the manifest carries presigned S3 URLs.

Direct compute access is coming soon. One-click NSG submission from this page is scoped for a follow-up phase. Tracked on nemarOrg/website#6.

Data quality

Computed by the NEMAR processing pipeline. Snapshots reflect the most recent run, not a specific dataset version.

Pipeline success 32 files
  • Finished 28
  • Failed 4
Data frames retained median 74% n=32
0-10%: 0 10-20%: 0 20-30%: 0 30-40%: 0 40-50%: 1 50-60%: 1 60-70%: 11 70-80%: 5 80-90%: 10 90-100%: 4
0% 100%
Channels retained median 95% n=32
0-10%: 0 10-20%: 0 20-30%: 0 30-40%: 0 40-50%: 0 50-60%: 0 60-70%: 0 70-80%: 2 80-90%: 7 90-100%: 23
0% 100%
Line-noise magnitude median 5.3 dB n=32
1-2 dB: 1 2-3 dB: 1 3-4 dB: 5 4-5 dB: 7 5-6 dB: 5 6-7 dB: 3 7-7 dB: 3 7-8 dB: 3 8-9 dB: 2 9-10 dB: 2
1 dB 10 dB

Files

Loading file index…