Psychogenic movement disorders: an unusual presentation in childhood with improvement after placebo test Distúrbio de movimento psicogênico: uma apresentação incomum na infância com melhora após teste com placebo

. A diagnosis ofPMDs was made in a 12-year-old girl who presenteddropped head, involuntary limb movements and gait dis-order (Figure A). We performed a placebo test, whichresulted in marked and complete improvement of symptomswithin three days (Figure B). Psychogenic dropped head,especially associated with other movement disorders, hasnot yet been reported in children