Table I.

Significant cluster activations in SPM analyses

Anatomical localization	BA	MNI coordinates			Cluster p‐corr.	Peak z‐value	Voxels per cluster
		x	y	z
Cue‐related analysis
Switch vs. no‐switch
Right posterior cerebellum	—	34	−46	−44	= 0.059 (unc = 0.005)	4.46	173
Interaction cue × switch (switch to ACC and SPD maintenance) vs. (ACC maintenance and switch to SPD)
Left middle frontal gyrus	9	−32	30	28	= 0.05	4.97	178
Left putamen	—	−26	4	10	<0.001	4.23	387
Switch‐to‐accuracy vs. all the other conditions
Left middle frontal gyrus	9	−32	30	28	= 0.15 (unc. = 0.01)	5.01	126
Left caudate body	—	−22	−4	32	= 0.009	4.44	275
Switch vs. no‐switch (accuracy)
Left middle frontal gyrus	9	−32	30	28	<0.05	5.55	192
Right posterior cerebellum	—	34	−44	−40	<0.001	5.51	405
Target‐related analysis
Speed vs. accuracy
Left supramarginal gyrus	40	−62	−52	36	= 0.028	3.67	198
Switch vs. no‐switch
Left sup. parietal lobule	7	−38	−70	54	<0.0001	4.41	471
Interaction cue × switch (switch to ACC and SPD maintenance) vs. (ACC maintenance and switch to SPD)
Left posterior cerebellum	—	−26	−60	−42	= 0.002	4.97	336
Switch‐to‐accuracy vs. all the other conditions
Left sup. parietal lobule	7	−34	−76	48	<0.0001	4.58	525
Switch vs. no‐switch (accuracy)
Left sup. parietal lobule	7	−34	−76	48	<0.0001	5.37	1234
Left inferior frontal cortex	46	−46	36	10	= 0.009	3.97	258
Speed maintenance vs. the rest
Left anterior cingulate c.	24	−2	24	14	= 0.016	4.75	225
No‐switch vs. switch (speed)
Left posterior cerebellum	—	−24	−64	−40	= 0.036	4.33	186
Speed vs. accuracy (no‐switch)
Left anterior cingulate c.	24	−2	24	14	= 0.009	4.97	256
Right supramarginal gyrus	40	56	−42	34	= 0.034	4.09	189
Left supramarginal gyrus	40	−56	−44	30	= 0.017	3.93	224

BA, Brodmann area.