Participants
Parkinson’s Disease Rating Scale, pain, PD, tiredness, pre-mature
MOVEMENT DISORDER, MOVEMENT DISORDERS
A total of 19 consecutive participants suffering from PD according to the clinical diagnostic criteria of the Movement Disorders Society (All participants were in off-medication state after overnight withdrawal of dopaminergic medication and at least 12 h prior to the start of the assessments. Motor symptoms were rated on part III of the Movement Disorder Society – Unified Parkinson’s Disease Rating Scale (MDS-UPDRS) (The final data set included 14 participants. Five of a total of 19 recruited participants had to be excluded from the analysis since they had asked for pre-mature stopping of the study protocol due to tiredness, unbearable motor symptoms or pain before completion of at least one antisaccade block in all three conditions. Please see Demographics and clinical characteristics of the PD group.