Table 4.

Responses of the articulation-responsive fROIs (1) to each of the spatial WM conditions relative to the fixation baseline; (2) to the hard > easy spatial WM contrast; and (3) to the articulation conditions (hard articulation, easy articulation) relative to the spatial WM conditions (hard, easy)

fROI	Hard spatial WM > baseline	Easy spatial WM > baseline	Hard spatial WM > easy spatial WM	Articulation > spatial WM
L STG	t = −2.62, n.s.	t = −1.53, n.s.	t = −2.27, n.s.	t = 10.52, P < 0.001*
L pSTG1	t = −0.48, n.s.	t = 1.21, n.s.	t = −2.50, n.s.	t = 6.13, P < 0.001*
L pSTG2	t = −3.37, n.s.	t = −2.59, n.s.	t = −2.25, n.s.	t = 5.25, P < 0.001*
R aSTG	t = −2.69, n.s.	t = −1.49, n.s.	t = −2.68, n.s.	t = 9.07, P < 0.001*
R pSTG	t = −1.48, n.s.	t = −0.56, n.s.	t = −1.98, n.s.	t = 5.57, P < 0.001*
L PrCG	t = −0.50, n.s.	t = 0.76, n.s.	t = −3.48, n.s.	t = 8.42, P < 0.001*
R iPrCG	t = −3.48, n.s.	t = −1.69, n.s.	t = −3.92, n.s.	t = 6.89, P < 0.001*
R sPrCG	t = −1.96, n.s.	t = −1.21, n.s.	t = −2.24, n.s.	t = 8.06, P < 0.001*
SMA	t = 3.64, P < 0.001*	t = 3.43, P < 0.005	t = 2.33, P < 0.05	t = 6.25, P < 0.001*
L Cereb	t = 3.97, P < 0.001*	t = 2.88, P < 0.005	t = 4.18, P < 0.001*	t = 4.78, P < 0.001*
R Cereb	t = 4.34, P < 0.001*	t = 3.89, P < 0.001*	t = 3.56, P < 0.005	t = 5.79, P < 0.001*
L IFGop	t = 3.78, P < 0.001*	t = 3.89, P < 0.001*	t = 2.52, P < 0.05	t = 5.62, P < 0.001*
R IFGop	t = 3.71, P < 0.001*	t = 2.63, P < 0.01	t = 3.85, P < 0.001*	t = 1.73,n.s.

All contrasts are estimated in data not used for defining the fROIs, as described in Methods. Degrees of freedom are 19. Asterisks denote effects that survive the Bonferroni correction for the number of fROIs (at 0.05/13 = 0.0038).