With the tDCS anode placed on the back upper head and the tDCS cathode on the left side at the same position, this montage increases the sense of empathy that the user has for other people. This montage is in perfect sync with Loving Kindness Meditation, aka Metta, the aim of which is to send positive thoughts and vibrations towards three people that the individual practicing meditation has contact:  a close person, a neutral one and one that they have had a conflict with.

These tDCS montages are just an example of...