This is a 15 minute documentary project created as part of a post graduate course in science communications at Imperial College of Science and Technology, London. Any views documented here, or techniques shown, are in no way to be considered as being endorsed by Imperial College nor indeed the creators of the video itself. My involvement with the project came about due to replying to a request in a Reddit subgroup dedicated to exploring Transcranial Direct Current Stimulation of the brain (tDCS) by three postgraduates: Aliyah, Letizia and Patrick (surnames withheld on request). They wanted to make a short documentary as part of their course and to feature such work…