Design and Test Novel EEG Electrode Attachments for Type 4 Afro-textured Hairstyles

The hair-anchored attachments reached the scalp more reliably and used less gel than the conventional cap while remaining similarly comfortable. The early result points toward more inclusive EEG setup, but larger independent studies are needed.

Broor M, Ogunniyi K, Williamson L, Liu C.
bioRxiv (preprint) · Publication date: 2026-10-08
Added to site: 2026-10-11
DOI: 10.64898/2026.10.01.755885

Preprint posted October 8, 2026. Added to Neurofeedback.com October 11, 2026 after abstract review; not peer reviewed.

Modalities

EEG, Electrode design

Clinical focus

Inclusive EEG acquisition, Type 4 Afro-textured hair

Population

Healthy adults with Type 4a to 4c natural hair, cornrows or braids, twists or microlocs

Sample

17 adults

Intervention / method

Sixteen conventional 10-20 cap electrodes and 16 electrodes with hairstyle-matched 3D-printed attachments were compared during resting and walking trials in one visit

Comparator

Conventional cap-based EEG setup in the same participants

Clinician summary

Conventional electrodes failed to connect in 20% of placements versus 0.1% with the novel attachments. The attachment condition showed lower impedance, a smaller impedance increase across trials, less gel use and better reported signal quality; comfort did not differ. The abstract does not provide all effect estimates or confidence intervals.

How to interpret the findings

This is a non-peer-reviewed preprint with 17 healthy adults and a single-visit comparison. The checked abstract does not establish performance in clinical populations, across full high-density montages, during longer recordings or at independent sites. Full funding, intellectual-property and conflict disclosures were not available in the checked abstract, so commercial relationships could not be evaluated.

Equipment and disclosures

Three configurations of 3D-printed attachments were designed to anchor standard EEG electrodes in natural Type 4 hair, cornrows or braids, and twists or microlocs. The editorial artwork does not reproduce the experimental attachments.

Funding and conflict-of-interest details were not available in the checked abstract and API record. Preprint findings have not undergone journal peer review.

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