Marijuana-produced impairments in coordination. Experienced and nonexperienced subjects

J Nerv Ment Dis. 1975 Jul;161(1):26-31. doi: 10.1097/00005053-197507000-00003.


The effects of marijuana and a placebo on perceptual-motor coordination, motor ability, and visual perception were compared in cannabis-experienced and naïve subjects. Impairments in coordination were observed in both groups. However, the impairment was greater in the experienced than in the naïve group.

Publication types

  • Clinical Trial
  • Controlled Clinical Trial

MeSH terms

  • Adult
  • Affect / drug effects
  • Cannabis / administration & dosage
  • Cannabis / pharmacology*
  • Dose-Response Relationship, Drug
  • Female
  • Humans
  • Male
  • Motor Skills / drug effects*
  • Phytotherapy
  • Self-Assessment
  • Visual Perception / drug effects*