Table 2 Relations between changes in [11C]-raclopride BPND and changes in accuracy/standard deviation of reaction time for RTI

From: Endogenous dopamine release under transcranial direct-current stimulation governs enhanced attention: a study with positron emission tomography

Variable

Coeff.

SE

z

P > z

95% CI

Accuracy scale

[11C]-raclopride BPND

−0.99

0.38

−2.59

0.009

−1.73 to −0.24

Age

−0.50

0.13

−3.73

<0.001

−0.76 to −0.24

[11C]-raclopride BPND × Age

−0.30

0.09

−3.35

0.001

−0.48 to −0.13

Standard deviation of reaction time

[11C]-raclopride BPND

14.1

4.33

3.24

0.001

5.55–22.6

Age

−2.96

1.17

−2.53

0.012

−5.25 to −0.66

[11C]-raclopride BPND × Age

−2.80

1.01

−2.76

0.006

−4.80 to −0.80

  1. Coeff., regression coefficient; SE, robust standard error; CI, confidence interval; BPND, binding potential
  2. Age and BPND are centered at their means (i.e., means were subtracted from all scores)
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