title: Placebo and competitive placebo effects on motor skill.
mesh_terms: D003163:Competitive Behavior; D006801:Humans; D008297:Male; D009048:Motor Skills / Q000187:drug effects*; D009068:Movement; D010919:Placebos / Q000494:pharmacology*; D011214:Practice, Psychological; D011930:Reaction Time; D013647:Task Performance and Analysis
chemical_list: D010919:Placebos