Table 2.

Summary of TStim inhibition effects across threat conditions (Expt 2)

	LOW threat			HIGH threat		Statistics
Measure	Sample	Mean (SEM)	Range	Mean (SEM)	Range	%Change	t (d.f.)	P	η²
Latency (ms)	Screened	45.8 (1.0)	39.5–56.0	46.9 (1.1)	40.5–60.5	2.5%	−1.65 (17)	0.116	0.139
	Full	45.2 (0.7)	40.0–52.0	46.5 (1.0)	40.5–59.5	2.9%	−2.12 (20)	0.047	0.183
Area of Inhib. (mV·ms)	Screened	0.28 (0.06)	0.02–1.0	0.22 (0.04)	0.04–0.72	−21.1%	2.45 (17)	0.026	0.26
	Full	0.28 (0.04)	0.05–0.94	0.19 (0.03)	0.05–0.61	−32.4%	3.1 (20)	0.005	0.330
Duration (ms)	Screened	43.1 (7.0)	7.0–111.5	38.2 (6.46)	6.5–102.5	−11.4%	2.34 (17)	0.032	0.243
	Full	46.5 (6.4)	7.0–116	38.9 (5.7)	8.5–104.5	−16.4%	3.07 (20)	0.006	0.320
Mean Inhib. (μV)	Screened	−8.56 (1.55)	−0.7 to −23.3	−7.35 (1.26)	−1.2 to −17.9	−14.1%	−1.83 (17)	0.085	0.164
	Full	−8.12 (1.2)	−0.9 to −20.6	−6.13 (0.98)	−1.4 to −13.9	−24.8%	−3.05 (20)	0.006	0.317
MGas BGA (μV)	Screened	18.5 (3.39)	2.8–55.9	17.2 (3.3)	3.3–58.5	−5.0%	1.74 (17)	0.099	0.152
	Full	18.5 (2.81)	3.2–51.7	16.0 (2.8)	3.8–57.1	−12.3%	2.65 (20)	0.015	0.260
TA BGA (μV)	Screened	4.9 (0.89)	1.8–16.2	6.3 (1.0)	1.5–14.0	59.2%	−1.38 (17)	0.185	0.101
	Full	4.95 (0.80)	1.8–16.7	7.13 (1.12)	1.5–17.4	93.4%	−1.81 (20)	0.086	0.140

Note: Inhib. refers to inhibition and BGA refers to background muscle activity. Values in italics indicate significant difference at P < 0.05.