Location, size, separation, and histology of tracer injections in SI, SII, and MI whisker representations

 
SI injections
 
SII injections
 
Case
Whiskers
Tracer (n)*
Area(mm2)
 
Whiskers
Tracer (n)*
Area(mm2)

Seperation
(µm)

Cortical
sections
SS40
D2
BDA(2)
0.148
 
D2-3
FR(1)
0.047
1.470
coronal
SS42
D2
BDA(1)
0.070
D3-5
FR(1)
0.054
1.760
tangential
SS43
D2-4
BDA(3)
0.270
D3-4
FR(3)
0.267
1.496
tangential
SS45
D2
BDA(2)
0.103
rows C-E
FR(2)
0.071
1.025
coronal
SS46
C3
BDA(1)
0.404
C3-4
FR(2)
0.233
1.090
coronal
SS47
C2-3
BDA(1)
0.281
C1-3
FR(2)
0.062
1.100
coronal
SS48
D3-4
BDA(1)
0.379
D2-3
FR(2)
0.118
1.020
coronal
SS49
D2
BDA(1)
0.084
D2-5
FR(2)
0.097
1.225
coronal
 
SI injections
 
MI injections
 
M18
D2, E3
FR(2)
0.112
 
row E
BDA(2)
0.255
5.897
tangential
M22
C2
BDA(2)
0.411
rows C-D
FR(2)
0.117
5.500
tangential
M25
D3-4
FR(3)
0.182
D2-3
BDA(3)
0.655
4.030
tangential
M26
D3-4
BDA(3)
0.302
D2-3
FR(3)
0.183
4.040
tangential
M27
D2-4
BDA(3)
0.868
rows D-E
FR(3)
0.217
4.388
tangential
M28
E2
FR(2)
0.266
D2-4
BDA(3)
0.478
3.678
tangential

* Values in parantheses indicate number of tracer penetrations.
Colored fields indicate areas in the brain maps shown below