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. Author manuscript; available in PMC: 2015 Aug 12.
Published in final edited form as: J Cereb Blood Flow Metab. 2008 Jul 16;28(12):1965–1977. doi: 10.1038/jcbfm.2008.84

Figure 1.

Figure 1

Plots of (A) biases, (B) errors, and (C) coefficients of variation (CV) for the estimation of Kin versus noise level (α) from simulated time–activity curves for high (left column), intermediate (middle), and low (right) receptor density regions (k3/k2=1.5, 1.0, and 0.5, respectively). NLS: solid line; MLAIR1: dotted; MLAIR2: dashed; GPGA: dash-dot.