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Details about the neuroanatomical projections from SSp to MOs

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Report ID	Sending structure	Receiving structure	Projection strength	Technique	General description projection	Collator	Associated reference
2657	Primary somatosensory area	Secondary motor area	moderate	fluorescent tracers	Case pg416-7, fig2. Soma notes label present after (1) SI fpaw injs: smaller patch (than AGl label) farther ros; (2) foot: V ant posn in AGm; (3) Bfd: 1 cluster in MO -- MOp/MOs- (4) low lip: antlat to vibriss repr. --in figs, labelling variable. d(MOp)~=d(MOs) on whole-. Terminal notes Injections in SI labeled neurons in both AGl (Fr1/Fr3) & AGm (Fr2).		Fabri M, Burton H., 1991

General description technique/protocol: not provided

Details about the neuroanatomical projections from SSp to SSp

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Report ID	Sending structure	Receiving structure	Projection strength	Technique	General description projection	Associated reference
90079	Primary somatosensory area	Primary somatosensory area	very strong	retrograde tracers	Collator note: labeling in the rostral half of the SSp, same region as the injection site (forepaw). See Fig. 4A-B, Swanson Atlas Levels 11-16.	Fabri M, Burton H., 1991
90080	Primary somatosensory area	Primary somatosensory area	light/moderate	retrograde tracers	Collator note: label of the IZ zone, the SSp-bfd, mid-rostrocaudally. See Fig. 4C, Swanson Atlas Levels 17-19.	Fabri M, Burton H., 1991
90081	Primary somatosensory area	Primary somatosensory area	light	retrograde tracers	Collator note: labeling in the ll-ul zones of the SSp. See Fig. 4D, Swanson Atlas Levels 20-22.	Fabri M, Burton H., 1991
90086	Primary somatosensory area	Primary somatosensory area	moderate/strong	retrograde tracers	Collator note: label of the SSp, caudal half, in the dorsal part, covering the ll and ul fields. See Fig. 4C-F, Swanson Atlas Levels 17-28.	Fabri M, Burton H., 1991
90098	Primary somatosensory area	Primary somatosensory area	moderate	retrograde tracers	Collator note: labeling of the SSp-bfd, SSp-ul, SSp-ll, and SSp-tr in different part of the region. See Fig. 5, page 413.	Fabri M, Burton H., 1991

General description technique/protocol: Collator note: case R4, double retrograde injection in the SSp. DY was injected in the forepaw region of the SSp. The injection shown in Fig. 4B is completely included in the region and it is mapped here onto Swanson Atlas Levels 14-16.

Details about the neuroanatomical projections from MOp to SSp

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Report ID	Sending structure	Receiving structure	Projection strength	Technique	General description projection	Associated reference
90078	Primary motor area	Primary somatosensory area	moderate	retrograde tracers	Collator note: labeling in the rostral MOp, Swanson Atlas Levels 11-13.	Fabri M, Burton H., 1991
90084	Primary motor area	Primary somatosensory area	light/moderate	retrograde tracers	Collator note: labeling of the mid-rostrocaudal MOp, superficial layers. See Fig. 4C-E, Swanson Atlas Levels 17-25.	Fabri M, Burton H., 1991
90097	Primary motor area	Primary somatosensory area	moderate/strong	retrograde tracers	Collator note: quite strong labeling of the rostral Mop. See Fig. 5A, page 413.	Fabri M, Burton H., 1991

Details about the neuroanatomical projections from SSs to SSp

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Report ID	Sending structure	Receiving structure	Projection strength	Technique	General description projection	Associated reference
90082	Supplemental somatosensory area	Primary somatosensory area	strong	retrograde tracers	Collator note: strong labeling in the caudal SSs, especially deepest layers, tending ventrally. See Fig. 4E-, Swanson Atlas Levels 23-28.	Fabri M, Burton H., 1991
90087	Supplemental somatosensory area	Primary somatosensory area	light/moderate	retrograde tracers	Collator note: labeling of the SSs similar to that of DY injection in the SSp-ul, but much reduced. This may be possible due to the small FB injection. See Fig. 4E, Swanson Atlas Levels 23-25.	Fabri M, Burton H., 1991
90093	Supplemental somatosensory area	Primary somatosensory area	strong	retrograde tracers	Collator note: strong labeling in the caudal SSs, and in the nighboring VISC. See Fig. 5C-D.	Fabri M, Burton H., 1991

Details about the neuroanatomical projections from VISC to SSp

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Report ID	Sending structure	Receiving structure	Projection strength	Technique	General description projection	Associated reference
90083	Visceral area	Primary somatosensory area	moderate/strong	retrograde tracers	Collator note: clear labeling of the VISC, caudally, by the same field that is present in the SSs. See Fig. 4E-F, Swanson Atlas Levels 23-28.	Fabri M, Burton H., 1991
90088	Visceral area	Primary somatosensory area	light	retrograde tracers	Collator note: clear labeling of the VISC, caudally, by the same field that is present in the SSs. The labeled neurons are in present in the deep layers. See Fig. 4E, Swanson Atlas Levels 23-25.	Fabri M, Burton H., 1991
90094	Visceral area	Primary somatosensory area	strong	retrograde tracers	Collator note: strong labeling in the caudal SSs, and in the nighboring VISC. See Fig. 5C-D.	Fabri M, Burton H., 1991

Details about the neuroanatomical projections from MOs to SSp

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Report ID	Sending structure	Receiving structure	Projection strength	Technique	General description projection	Collator	Associated reference
90085	Secondary motor area	Primary somatosensory area	light/moderate	retrograde tracers	Collator note: labeling similar to that in the neighboring MOp. Labeled cells are shown in the mid-rostrocaudal MOs, in the superficial layers (II-III). See Fig. 4D, Swanson Atlas Levels 20-22.		Fabri M, Burton H., 1991
90090	Secondary motor area	Primary somatosensory area	light/moderate	retrograde tracers	Collator note: Mos is labeled rostrocaudally, at least weak-moderately.		Fabri M, Burton H., 1991

General description technique/protocol: Collator note: case R4, double retrograde injection in the SSp. FB was injected in the foot region of the SSp. The injection shown in Fig. 4D is completely included in the region and it is mapped here onto Swanson Atlas Levels 20-22. However, the injection shown in Fig. 4 may be just the caudal end of it.

Details about the neuroanatomical projections from ECT to SSp

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Report ID	Sending structure	Receiving structure	Projection strength	Technique	General description projection	Collator	Associated reference
90089	Ectorhinal area	Primary somatosensory area	moderate	retrograde tracers	Collator note: labeling of the cortex above the rhinal fissure, in the caudalmost levels of SSp. The caudal part of this region, called PV by authors, is considered here as the rostral ECT. See Fig. 4G, Swanson Atlas Levels 31-33.		Fabri M, Burton H., 1991
90096	Ectorhinal area	Primary somatosensory area	moderate	retrograde tracers	Collator note: at least moderate labeling in the rostral PERI and ECT. See Fig. 5E-F, page 413.		Fabri M, Burton H., 1991

Details about the neuroanatomical projections from RSPd to SSp

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Report ID	Sending structure	Receiving structure	Projection strength	Technique	General description projection	Collator	Associated reference
90091	Retrosplenial area dorsal part	Primary somatosensory area	light	retrograde tracers	Collator note: few labeled cells in the RSP regions. See Fig. 5E-F.		Fabri M, Burton H., 1991

General description technique/protocol: Collator note: case R15, RB injection in the SS-bf. The injection is completely included in the region, but it is difficult to map it accurately.

Details about the neuroanatomical projections from RSPv to SSp

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Report ID	Sending structure	Receiving structure	Projection strength	Technique	General description projection	Collator	Associated reference
90092	Retrosplenial area ventral part	Primary somatosensory area	light	retrograde tracers	Collator note: few labeled cells in the RSP regions. See Fig. 5E-F.		Fabri M, Burton H., 1991

General description technique/protocol: Collator note: case R15, RB injection in the SS-bf. The injection is completely included in the region, but it is difficult to map it accurately.

Details about the neuroanatomical projections from PERI to SSp

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Report ID	Sending structure	Receiving structure	Projection strength	Technique	General description projection	Collator	Associated reference
90095	Perirhinal area	Primary somatosensory area	moderate	retrograde tracers	Collator note: at least moderate labeling in the rostral PERI and ECT. See Fig. 5E-F, page 413.		Fabri M, Burton H., 1991

General description technique/protocol: Collator note: case R15, RB injection in the SS-bf. The injection is completely included in the region, but it is difficult to map it accurately.