Table 4.

Descriptive Statistics for Extracted Percent Signal Change during the Emotional Word Stroop Task > Fixation.

Measures	Twins with stress			Control co-twins			Paired t-test	p-value
	Mean	SD	Range	Mean	SD	Range
Left
Accumbens	0.13	0.13	−0.06–0.33	−0.08	0.12	−0.32–0.06	3.33	0.010	*
Thalamus	0.11	0.12	−0.13–0.27	−0.07	0.17	−0.42–0.07	2.44	0.040	*
Amygdala	0.10	0.14	−0.14–0.32	−0.02	0.22	−0.37–0.40	1.80	0.110
Hippocampus	0.04	−0.11	−0.20–0.25	−0.11	0.13	−0.32–0.001	3.47	0.009	**
Right
Accumbens	0.11	0.15	−12–0.35	−0.09	0.13	−0.35–0.06	2.68	0.028	*
Thalamus	0.09	0.12	−0.16–0.23	−0.07	0.17	−0.39–0.10	2.27	0.053	†
Amygdala	0.13	0.16	−0.14–0.36	−0.04	0.18	−0.33–0.29	3.66	0.006	**
Hippocampus	0.06	0.16	−0.23–0.24	−0.10	0.10	−0.24–0.008	3.93	0.004	**
Prefrontal Cortex
ACC	0.04	0.15	−0.17–0.37	−0.11	0.13	−0.35–0.05	2.10	0.069	†
SFG	0.11	0.32	−0.26–0.81	−0.14	0.33	−0.72–0.52	1.54	0.162
MFG	0.11	0.25	−0.23–0.62	−0.05	0.24	−0.52–0.36	1.23	0.253

Note. Significant results in bold. *p < .05, **p < .01, ***p < .001, †p < 0.10, n = 9 twin pairs.