Brain Activation in Primary Motor and Somatosensory Cortices during Motor Imagery Correlates with Motor Imagery Ability in Stroke Patients

Table 2

Significant clusters of activation for the main effects of “Imagery of the affected hand” (IA > Rest). Single-voxel uncorrected threshold 𝑃<0.005, cluster size 𝑘≥15 voxels. BA: Brodmann area at given coordinates.

IA > REST	Regions	BA	^#Voxels	𝑇peak	MNI
					𝑥	𝑦	𝑧
Non-lesioned brain side	Precentral gyrus	6^12	179	5.18	−60	3	30
	Insula			4.94	−39	0	6
	Inferior frontal gyrus	44^13		4.48	−57	9	18
	Precentral gyrus	6^74	107	6.97	−24	−12	57
	Supramarginal gyrus		40	5.31	−60	−45	27
	Superior parietal lobule		27	5.74	−21	−66	53
	Thalamus		26	4.90	−12	−15	6
	Inferior parietal lobule		23	3.88	−30	−51	39
Lesioned brain side	Precentral gyrus	6^10	280	6.72	42	−3	48
	Rolandic operculum	44^8		5.85	45	0	15
	Insula			5.38	45	6	6
	Supplementary motor area	6^93	41	5.69	12	0	57
	Inferior parietal lobule		34	3.99	39	−48	39
	Pons		30	3.17	3	−25	−4

^#Voxels: number of voxels in cluster. MNI: coordinates in the Montreal Neurological Institute standard brain space. 𝑇_peak = maximum 𝑇 score in cluster. The percentage of voxels from the cluster falling within the named region is indicated by the superscripted values (obtained by the SPM Anatomy Toolbox).