Table 4. The output of partial-correlation tests between WM scores and perceptual gradiency (top), VOT coefficients (middle) and f0 coefficients (bottom) measured in L1 and L2 stop perception tasks.

		L1 Gradiency		L2 Gradiency
RT	2-Back	–0.037	0.878	–0.351	0.129
	3-Back	–0.328	0.158	–0.327	0.16
ACC	2-Back	0.091	0.702	–0.079	0.739
	3-Back	0.125	0.599	–0.208	0.379

		L1 VOT coefficients		L2 VOT coefficients
RT	2-Back	0.178	0.452	0.126	0.595
	3-Back	0.119	0.618	–0.107	0.654
ACC	2-Back	0.306	0.189	0.061	0.798
	3-Back	0.378	0.1	–0.105	0.659

		L1 f0 coefficients		L2 f0 coefficients
RT	2-Back	–0.16	0.499	–0.167	0.481
	3-Back	0.006	0.979	–0.356	0.124
ACC	2-Back	0.021	0.931	0.331	0.154
	3-Back	–0.381	0.097	0.419	0.066