Table 5.
SOM inputs to PV neurons
| Cell body (CB) | Dendrite |
|||
|---|---|---|---|---|
| 20 μm from CB | 80 μm from CB | 140 μm from CB | ||
| Number of inputs | ||||
| L2/3 | 0.13 ± 0.35 | 4.38 ± 0.74 | 2.75 ± 0.71 | 2.25 ± 0.46 |
| L4 | 0.13 ± 0.35 | 4.88 ± 1.13 | 3.13 ± 0.83 | 2.50 ± 0.93 |
| L5 | 0.13 ± 0.35 | 4.50 ± 0.93 | 2.75 ± 0.46 | 2.25 ± 0.46 |
| L6 | 0.25 ± 0.46 | 4.63 ± 1.19 | 3.13 ± 0.83 | 2.25 ± 0.46 |
| Total | 0.16 ± 0.37 | 4.59 ± 0.98 | 2.94 ± 0.72 | 2.31 ± 0.59 |
| Surface area [μm2] | ||||
| L2/3 | 22.9 ± 3.2 | 46.2 ± 7.2 | 35.2 ± 6.8 | 33.0 ± 3.7 |
| L4 | 24.4 ± 3.7 | 50.5 ± 11.6 | 40.5 ± 8.3 | 35.2 ± 7.6 |
| L5 | 23.4 ± 2.8 | 50.6 ± 11.1 | 39.4 ± 11.2 | 33.9 ± 7.6 |
| L6 | 24.8 ± 4.4 | 51.6 ± 5.0 | 43.2 ± 9.0 | 34.0 ± 5.3 |
| Total | 23.9 ± 3.5 | 49.7 ± 9.0 | 39.6 ± 9.0 | 34.0 ± 6 |
| Density [10−2/μm2] | ||||
| L2/3 | 0.7 ± 2.0 | 9.5 ± 1.5 | 7.8 ± 0.9 | 6.9 ± 1.6 |
| L4 | 0.5 ± 1.6 | 10.0 ± 2.7 | 8.1 ± 2.9 | 7.3 ± 3.2 |
| L5 | 0.6 ± 1.6 | 9.1 ± 1.7 | 7.4 ± 2.1 | 6.9 ± 1.8 |
| L6 | 1.2 ± 2.2 | 8.9 ± 2.0 | 7.4 ± 2.4 | 6.8 ± 2.1 |
| Total | 0.7 ± 1.8 | 9.4 ± 2.0 | 7.7 ± 2.1 | 7.0 ± 2.2 |
We randomly selected two PV neurons in each layer in four transgenic mice (a total of eight neurons in every layer), and calculated the number of inputs, surface area [μm2], and input density [10−2/μm2]. Data are given as mean ± SD. CB, cell body.