The following is used for dementia, parkinsons. Thoughts?
Transcranial alternating current stimulation (tACS) and transcranial random noise stimulation (tRNS) are two noninvasive brain stimulation techniques that use electrical currents to modulate brain activity
And also
Excellent find.
I think that and numberonepal above are both good guesses ... why can’t the media simply ask him what these things were ... rhetorical question I know ;)