Quantitative measurement of local cerebral glucose consumption (mg/100 g/min)
| 1st PET study | 2nd PET study | Normal values (SD) | |
| Right dorsal basal ganglia: | |||
| Caudate nucleus | 6.5 | 6.8 | 7.6 (1.0) |
| Putamen | 8.3 | 7.8 | 8.7 (1.2) |
| Left dorsal basal ganglia: | |||
| Caudate nucleus | 6.3 | 6.3 | 7.4 (0.9) |
| Putamen | 7.1 | 7.6 | 8.6 (1.1) |
| Right ventral basal ganglia | 5.32-150 | 7.5 | 7.3 (1.0) |
| Left ventral basal ganglia | 5.02-150 | 7.0 | 7.6 (0.8) |
↵2-150 Glucose metabolic values below 2 SD of normal values.