jeffsonstein ("Jeff Sonstein") wrote:
"It turns out that EEG neurofeedback has real but limited usefulness, and using it to map consciousness is akin to sitting on Neahkahnie Mountain and attempting to map the ocean floor by looking at the waves—useful, yes, but extremely limited."
https://www.reed.edu/reed_magazine/march2015/articles/letters/BrainWaves.html