Table 1. The mental status (Montreal Cognitive Assessment and Mini Mental State test) and severity of motor disorders (Hoehn & Yahr, the Schwab and England and the Unified Parkinson’s Disease Rating Scale III -UPDRS II- scales) of patients included in this study.

Age (years of age)	61.3 ± 7.9
PD progression (months)	19.4 ± 6.6
Minimental test (max 35)	34.2 ± 0.7
Montreal Cognitive Assessment (max 30)	29.2 ± 0.6
Schwap & England scale (max 100)	93.2 ± 5.1
Hoehn & Yahr scale (max 5)	1.7 ± 0.17
UPDRS III (max 159)	12.2 ± 1.57

All tests were performed during the “on” medication state.