Fig. 5.
Effect of PET measurement duration on V T values derived by the Logan plot analysis; Relative V T values (%) = [(V T values by corresponding duration of PET measurement - V T values by reference duration of PET measurement) / V T values by reference duration of PET measurement] × 100 (a) Cerebellar V T values (mean±SD) (b) Relative V T values to 63 min data for target regions (mean – SD) and cerebellum (mean+SD)