Summary of statistical comparisons for ROIs

RI - CO contrast (F1,17)

SI - CO contrast (F1,17)

RI-CO (F1,17)

SI-CO (F1,17)

Area

Tal.coord.

Placebo

Alcohol

Plac-Alc

Placebo

Alcohol

Plac-Alc

overall

L. insula

-28 21 1

17.1 < 0.001**

1.2 > 0.2

5.8 < 0.05*

3.3 < 0.1+

0.2 > 0.5

2.6 > 0.1

8.3 < 0.01**

0.4 > 0.5

L. pre-SMA

-9 1 48

11.2 < 0.005**

1.8 > 0.2

1.9 < 0.2

0.4 > 0.5

2.2 > 0.1

0.1 > 0.5

10.03 < 0.01**

2.0 > 0.1

L. ACC

-6 11 26

13.0 < 0.005**

1.1 > 0.3

1.3 > 0.2

0.7 > 0.4

0.0 > 0.5

0.1 > 0.5

5.8 < 0.05*

0.2 > 0.5

L. Sup. Precent.

-28 -3 41

1.7 > 0.2

4.0 < 0.06+

1.0 > 0.3

1.1 > 0.3

0.7 > 0.4

0.0 > 0.5

4.8 < 0.05*

2.5 > 0.1

L. vlPFC

-39 16 20

7.0 < 0.05*

8.5 < 0.01**

1.5 > 0.2

3.5 < 0.1+

4.4 = 0.05*

0.6 > 0.4

12.1 < 0.005**

6.7 < 0.05*

R. ACC

7 17 29

3.9 < 0.07+

0.2 > 0.5

0.5 > 0.5

1.0 > 0.3

0.5 > 0.5

0.0 > 0.5

1.9 > 0.1

1.6 > 0.2

R. Subpar. Sulc.

11 -45 30

1.0 > 0.3

0.3 > 0.5

0.1 > 0.5

1.3 > 0.2

0.0 > 0.5

0.6 > 0.4

1.2 > 0.2

1.0 > 0.3

R. TPOJ

38 -58 20

1.8 > 0.2

0.6 > 0.4

0.1 > 0.5

1.1 > 0.3

2.0 > 0.1

0.1 > 0.5

1.7 > 0.2

2.3 > 0.1

Table 1: Summary of statistical comparisons for ROIs including their Talairach coordinates and significance of the overall RI-CO and SI-CO differences as well as for each beverage separately and beverage x conflict interactions, expressed as F1,17 and the associated p values. ** p < 0.01, * p < 0.05, + p < 0.1. Pre-SMA: pre-supplementary motor area; ACC: anterior cingulate cortex; Sup. Precent.: superior precentral area; vlPFC: ventrolateral prefrontal cortex; Subpar. sulc: subparietal sulcus; TPOJ: temporo-parieto-occipital junction.

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