Posted by Hugh on July 5, 2014, at 13:45:53
Transcranial Direct Current Stimulation was originally studied as a treatment for depression in the 1960s. Interest in it waned, but it's making a comeback. You can now buy a tDCS unit for $249 (or $139 for a factory refurbished unit). It's called the foc.us
Here's some background information on tDCS:
This video shows what it looks like:
poster:Hugh
thread:1067940
URL: http://www.dr-bob.org/babble/alter/20140619/msgs/1067940.html