Last Updated on July 8, 2025 by pg@petergamma.org
g.tec medical is now 25 years old:
but we know g.tec mainly from their YouTube channel:
https://www.youtube.com/@gtecmedicalengineering/videos
where they offer EEG devices for more than 50 000 USD:
A device which is nowadays only used as a demo device to send it to Australia and back?
https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0217288
We where really impressed that they have chosen a g.tec medical multi-purpose headset to validate the Polar OH1. But not after we had a closer look at all of these smartwatch accuracy validation papers:
EEG device have become cheaper in recent years. And also the advertisement for it:
They have become so cheap that they are suitable to be sold by Vedia Switzerland:
What does EEG expert Peter Gamma from www.petergamma.org

who only owns a view Muse headbands, and an OpenBCI module he bought on Aliexpress with a Wifi shield he never tested? So what does Peter say to this topic? The devices we find on YouTube become cheaper, but not better. Is this a sign for it that an old architecture of physiological multi-sensor devices have come to an end? And new devices developed by developers at the university level are manly based on InfluxDB?

https://ieeexplore.ieee.org/abstract/document/9087877
What is your opinion about this topic? Write it in the comments below. We invite you to look for new developments in a good university library as this one:
https://infozentrum.ethz.ch/en
And not on YouTube anymore