24
Participants
Start Date
March 1, 2017
Primary Completion Date
December 31, 2017
Study Completion Date
January 31, 2018
Cathodal Transcranial direct current stimulation
Cathodal transcranial direct current stimulation over the dorsolateral prefrontal cortex
L-Tyrosine
Administration of 2 grams tyrosine
Transcranial direct current stimulation (sham)
Sham tDCS
Cellulose (placebo)
Administration of 2 grams cellulose
Psychology laboratories, Sheffield
Sheffield Hallam University
OTHER