Table 4 Relations between changes in [11C]-raclopride BPND/types of stimulation and changes in strategy scores in SWM

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

[11C]-raclopride BPND

[11C]-raclopride BPND

−2.49

1.33

−1.88

0.060

−5.10–0.10

Age

−0.07

0.32

−0.22

0.827

−0.70–0.56

[11C]-raclopride BPND × age

0.3

0.31

0.95

0.340

−0.31–0.92

Stimulation

Stimulation (tDCS = 1/Sham = 0)

−1.77

0.58

−3.02

0.003

−2.91 to −0.61

Age

−0.05

0.36

0.14

0.886

−0.66–0.76

Stimulation × age

−0.08

0.33

−0.25

0.800

−0.72–0.56

  1. Coeff., regression coefficient; SE, 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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