Table 1.

Switch–Cluster fMRI activation across different switch and cluster designation methods

VFT type	Switch designation	Analysis	MNI coordinates	Cluster size	t	Peak region	Side
Category	Participant	Whole brain	24 –2 –22	90	5.52	Amygdala, hippocampus	R
			–22 –10 –26	138	4.64	Hippocampus	L
		SUIT	–	–	–	–	–
	Delta similarity model	Whole brain	–	–	–	–	–
		SUIT	–20 –72 –35	156	5.07	Cerebellar lobule VIIa Crus I, Crus II	L
			–32 –72 –23	77	4.37	Cerebellar lobule VIIa Crus I, lobule VI	L
Letter	VFClust	Whole brain	–8 44 52	97	6.37	Superior medial gyrus	L
			–2 –48 36	198	5.92	Precuneus, middle cingulate cortex	L
			–2 56 36	235	5.79	Superior medial gyrus	L
			–40 –74 –38	540	5.28	Cerebellar lobule VIIa Crus I	L
			30 –80 –38	253	5.07	Cerebellar lobule VIIa Crus I	R
			8 48 22	80	4.66	Anterior cingulate cortex	R
			2 –70 –38	88	4.06	Cerebellar vermis lobule VIIIa	–
		SUIT	–28 –78 –43	573	5.64	Cerebellar lobule VIIa Crus II	L
			22 –86 –43	308	5.32	Cerebellar lobule VIIa Crus II	R
Category and Letter	Participant	Whole brain	24 –2 –20	148	6.69	Amygdala, hippocampus	R
			36 –12 20	189	5.98	Insula	R
			–52 –10 18	779	5.78	Postcentral gyrus	L
			–22 –2 –26	256	5.68	Amygdala, parahippocampal gyrus	L
			–54 12 –2	135	5.04	Inferior frontal gyrus (p. opercularis)	L
			–42 –8 58	82	4.63	Precentral gyrus	L
			–60 –38 14	108	4.57	Superior temporal gyrus	L
			12 –68 34	84	4.52	Precuneus, cuneus	R
			46 –10 42	146	4.47	Precentral gyrus	R
		SUIT	2 –30 –29	195	6.13	Brain stem	R

Note: VFT = verbal fluency test.