Table 3.

Brain activity for periodic-stimulus evoked sensations in awake rats

				Coordinate
Volume	L/R	Anatomical Structure	t-Value	x	y	z
Activation
3,442	L	Primary somatosensory cortex, hindlimb region	7.6	−2.3	−0.8	−1.6
	R/L	Cingulate cortex area 1	6.0	0.4	−2.5	2.2
			4.3	0.8	−2.3	3.2
			4.1	−0.2	−2.3	0.4
1,107	R	Secondary motor cortex	4.1	1.4	−1.0	−3.6
	R	Primary somatosensory cortex, hindlimb region	3.8	2.3	−1.6	−0.6
	R	Laterodorsal thalamic nucleus, dorsomedial part	3.9	1.6	−4.7	−2.6
	R	Lateral posterior thalamic nucleus, mediorostral part	3.7	1.6	−4.3	−3.6
	L	Laterodorsal thalamic nucleus, ventrolateral part	3.6	−1.7	−4.7	−3.2
	L	Anterodorsal thalamic nucleus	3.6	−1.0	−4.5	−1.8
	L	Lateral habenular nucleus, lateral part	3.4	−0.8	−4.3	−3.6
	L	Central medial thalamic nucleus	3.4	−0.4	−5.8	−2.4
Deactivaton
1,149	L	Secondary somatosensory cortex	−3.4	−5.8	−5.0	−1.0
	L	Dysgranular insular cortex	−3.5	−5.4	−5.8	0.8
			−3.4	−4.7	−5.6	1.6
548	L	Primary somatosensory cortex, jaw region	−3.5	−4.9	−4.9	2.6
	L	Primary somatosensory cortex, barrel field	−3.6	−5.0	−3.3	−1.0
	L	Agranular insular cortex, posterior part	−3.8	−5.6	−7.2	−0.4
	R	Dysgranular insular cortex	−3.0	5.8	−6.2	−0.2
	R	Primary somatosensory cortex upper, lip region	−4.0	5.2	−4.9	0.4
			−3.1	4.9	−1.9	−0.2
356	R	Agranular insular cortex, dorsal part	−3.1	5.0	−5.4	2.0
	R	Primary somatosensory cortex, dysgranular region	−3.4	5.0	−2.9	0.2
	R	Secondary somatosensory cortex	−3.4	6.2	−5.0	−1.2
	R/L	Nucleus of the horizontal limb of the diagonal band	−3.4	−0.2	−8.0	0.4
			−3.3	1.4	−8.1	0.4
	R	Lateral septal nucleus, ventral part	−3.4	0.8	−6.4	−0.4
	R	Paraventricular hypothalamic nucleus, anterior parvicellular part	−3.6	0.4	−7.0	−1.6
	R	Medial preoptic nucleus, medial part	−3.8	0.2	−8.0	−1.2

List of activated and deactivated brain regions in response to air-puff stimulation (P < 0.05, FWE corrected) is shown. Volumes are expressed in no. of voxels. Coordinates (mm) are in standard space. R, right of the brain; L, left of the brain.