The Greentek Gelfree S3 EEG cap was used by Krisztián Hofstädter for his YouTube demos: Now it is used in papers with children: https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0252622 Is this the final station before it becomes a toy for children and is sold by Franz Carl Weber? Franz Carl Weber (short form: FCW) is a company in the Swiss …
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