2508
Videopolysomnographic and pharmacokinetic studies with monitoring of plasma levodopa levels demonstrated marked motor hyperactivity during augmentation, with anarchic discharges of motor unit potentials, tonic grouped discharges and flexor spasms, associated with painful dysesthesia.
 ( adverse event: demonstrated ,  marked motor hyperactivity during augmentation, with anarchic discharges of motor unit potentials, tonic grouped discharges and flexor spasms, associated with painful dysesthesia: Effect, levodopa: Treatment, levodopa: Treatment.Drug) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: adverse event,potential therapeutic event, Arguments type: Treatment.Disorder,Treatment.Time_elapsed,Treatment.Dosage,Subject.Race,Treatment.Drug,Treatment.Route,Subject.Disorder,Treatment.Freq,Treatment,Effect,Subject.Population,Treatment.Duration,Combination.Drug,Subject,Subject.Age,Subject.Gender. 
Text: {0} 
Answer:
 ( adverse event: demonstrated ,  marked motor hyperactivity during augmentation, with anarchic discharges of motor unit potentials, tonic grouped discharges and flexor spasms, associated with painful dysesthesia: Effect, levodopa: Treatment, levodopa: Treatment.Drug) 