title: Peering through the FoG: visual manipulations shed light on freezing of gait.
authors.forename: Rajal G
authors.initials: RG
authors.lastname: Cohen
authors.forename: Fay B
authors.initials: FB
authors.lastname: Horak
authors.forename: John G
authors.initials: JG
authors.lastname: Nutt
mesh_terms: D005080:Exercise Test / Q000379:methods*; D005260:Female; D046352:Freezing Reaction, Cataleptic / Q000502:physiology*; D007839:Functional Laterality / Q000502:physiology*; D005684:Gait; D020233:Gait Disorders, Neurologic / Q000209:etiology*; D006801:Humans; D008297:Male; D057849:Optic Flow / Q000502:physiology*; D010300:Parkinson Disease / Q000150:complications* / Q000534:rehabilitation*; D012858:Size Perception / Q000502:physiology*; D013028:Space Perception / Q000502:physiology*