Krisztian Hofstädter did a PhD. in Music & Meditation: https://www.linkedin.com/in/krishofstadter And he presented the Greentek Gelfree 3 EEG cap in the www.openbci.com forum. But was his main tool who assisted him in meditating not rather a brain scanner, than the Greentek EEG cap? What is your opinion about this topic? Write it in the comments …
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