"the notion that some healthy eeg waves are "good" and some are "bad" is [without any neurological foundation], and thus, so is neurofeedback
there is [zero evidence of efficacy], and zero plausible foundation for how or why this might treat medical conditions
""the notion that some healthy eeg waves are "good" and some are "bad" is [without any neurological foundation], and thus, so is neurofeedback" What is the definition of "neurofeedback"?