TABLE 4

Measured BPND of 11C-Raclopride in Normal Human Striatum Using ROI Defined from Coregistered MRI (Manual) and Automatically at RCzmin = 50% Threshold (Auto)

Tissue BPND*
ROI methodCaudatePutamen
Manual2.21 ± 0.32†3.02 ± 0.35†
Auto2.21 ± 0.37†2.95 ± 0.45†

  • ↵* Mean ± SD over 50-subject group.

  • ↵† No significant difference (t test, P < 0.01).