New electrodes can better capture brain waves of people with natural hair

Standard EEG methods can falter when detecting signals from people with coarse, curly hair

EEG electrodes on the heads of three different people

Electrodes don’t always sit snugly on scalps of people with curly, coarse hair that’s loose (left), making it difficult for electroencephalograms to read brain activity. Both braiding (middle) and using newly designed electrodes that clip underneath those braids (right) can improve the electrical signal, researchers report.

A. Etienne et al/ 2020

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