Increase of price for EEG cap of 100 USD after review in our journal, is this justified?

Last Updated on April 15, 2023 by pg@petergamma.org

After we reviewed this OpenBCI Ultracortex Mark Series compatible EEG cap:

https://de.aliexpress.com/item/1005003432011498.html?gatewayAdapt=glo2deu

in our journal, the price for it was increased from around 200 USD to USD 305 which the EEG cap is now. Did you ever see someone using this cap? And is this cap really worth USD 305? The single components of EEG caps are very cheap. Is it not better to build eeg caps from single components?Prices for EEG caps are often incomprehensible high. What is our opinion about this topic? Write it in the comments below: