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. Author manuscript; available in PMC: 2010 Aug 1.
Published in final edited form as: Neuroimage. 2010 Apr 29;52(2):643–657. doi: 10.1016/j.neuroimage.2010.04.249

Table 5.

Mediation of Drift Rate by Functional Connectivity on Cue-Only Trials

B SE B r2 Δ r2 F Percentage Attenuation
Model 1
            Age Group -0.017 0.005 0.220 10.74**
Model 2
            Functional Connectivity 0.196 0.050 0.291 15.58***
            Age Group -0.010 0.006 0.347 0.057 3.21 74.09

Note. B = parameter estimate; SE = standard error; r2 = cumulative r2 for current and preceding steps; Δ r2 = unique effect of age.

**

p < .01

***

p < .001