Table 1 Within-group BMA coupling parameter statistics.

		df	Reactive control (PE+)					Predictive control (beliefs)					Predictive – reactive control
			t	p_FDR	Pp	95% CI	BF	t	p_FDR	Pp	95% CI	BF	t	p_FDR	Pp	95% CI	BF
Nonexposed	rHIP	71	−2.88	0.012*	0.999	[−0.37 −0.07]	9	−5.04	<0.001*	1	[−0.46 −0.21]	>1000	−0.98	0.178	0.884	[−0.31 0.10]	2.5
	cHIP	71	−1.84	0.085	0.968	[−0.22 0.01]	108	−4.02	<0.001*	1	[−0.28 −0.16]	>1000	−1.77	0.068	0.989	[−0.41 0.01]	7.4
	PC	71	−0.05	0.478	0.526	[−0.15 0.14]	1.76	−6.33	<0.001*	1	[−0.83 −0.44]	>1000	−4.51	<0.001*	1	[−0.90 −0.36]	>1000
	wHIP	71	−2.83	0.012*	0.946	[−0.28 −0.05]	57	−5.58	<0.001*	1	[−0.43 −0.21]	>1000	−1.59	0.076	0.886	[−0.33 .04]	6.6
PTSD−	rHIP	45	−0.63	0.356	0.764	[−0.22 0.12]	3.6	−1.78	0.041*	0.998	[−0.46 0.05]	76	−1.09	0.168	0.943	[−0.48 0.15]	5.1
	cHIP	45	−3.44	0.007*	1	[−0.62 −0.17]	103	−2.01	0.027*	0.994	[−0.35 −0.04]	6.4	1.66	0.076	0.977	[−0.03 0.47]	1.1
	PC	45	0.54	0.356	0.800	[−0.14 0.28]	2.8	−4.55	<0.001*	1	[−0.88 −0.37]	>1000	−3.62	0.001*	1	[−1.1 −0.30]	9.1
	wHIP	45	−2.60	0.019*	0.986	[−0.39 −0.06]	34	−2.21	0.019*	0.980	[−0.37 −0.02]	97.5	0.18	0.429	0.557	[−0.21 0.27]	1.8
PTSD+	rHIP	54	0.76	0.356	0.861	[−0.13 0.30]	1.1	−5.44	<0.001*	1	[−0.81 −0.38]	>1000	−3.62	0.001*	1	[−1.1 −0.32]	105
	cHIP	54	0.43	0.362	0.790	[−0.16 0.29]	3.6	−4.93	<0.001*	1	[−0.66 −0.29]	>1000	−2.93	0.004*	1	[−0.89 −0.18]	3.8
	PC	54	0.57	0.356	0.810	[−0.13 0.25]	1.15	−6.89	<0.001*	1	[−0.76 −0.43]	>1000	-4.54	<0.001*	1	[−0.93 −0.36]	>1000
	wHIP	54	0.66	0.356	0.750	[−0.12 0.28]	1.6	−6.06	<0.001*	1	[−0.72 −0.38]	>1000	−3.61	0.001*	0.999	[−0.94 −0.30]	88

We first explored the negative modulation of PE+ (reactive control) and beliefs (predictive control) during top-down suppression. We then compared PE+ and beliefs coupling parameters within each group, to gauge the imbalance between reactive and predictive control (right part of the table). For both analyses, we also report one-tailed t statistics, p values adjusted for false discovery rate correction (p_FDR; see the “Methods” section), the posterior probability (Pp) of group mean being different from zero, the bootstrapped 95% confidence intervals (CIs) of the mean, and the Bayes factor (BF). df degrees of freedom, rHIP rostral hippocampus, cHIP caudal hippocampus, PC precuneus, wHIP whole hippocampus. *Indicates significant effect as revealed by one-tailed t-tests at p_FDR < 0.05.

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