Enhancement Tapping is a fusion of Emotional Freedom Techniques and Positive Neuroplasticity.

Here are the links to the EFT research (the second link is from the Association for Comprehensive Energy Psychology: EFT and related techniques go under the general umbrella of energy psychology):
https://www.eftuniverse.com/research-studies/eft-research

http://energypsych.site-ym.com/?Research_Landing


And this is Positive Neuroplasticity Research link:
http://www.rickhanson.net/the-science-of-positive-brain-change/