Table 5.
Mean amplitude of the Ia EPSPs evoked in the motoneurones of group 3
| Nerves | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Motoneurones | LD | TMa | SpD | AcD | TMi | ISp | SSp | SSc | Ser |
| ISp | — | — | 0.1 ± 0.3 | 0.9 ± 0.7 | 1.2 ± 1.3 | 5.1 ± 2.5 | 1.4 ± 1.4 | — | 0.1 ± 0.2 |
| (9) | (42) | (30) | (39) | (36) | (16) | (27) | (37) | (9) | |
| SSp | — | — | — | < 0.1 | — | 1.4 ± 1.4 | 5.3 ± 2.6 | 0.7 ± 0.8 | 0.6 ± 0.4 |
| (14) | (35) | (29) | (36) | (34) | (14) | (12) | (31) | (14) | |
| SSc | — | 0.1 ± 0.6 | — | — | — | — | 0.4 ± 0.8 | 3.2 ± 3.6 | — |
| (6) | (28) | (26) | (25) | (27) | (10) | (10) | (6) | (6) | |
| Ser | — | — | — | < 0.1 | — | — | — | — | 1.7 ± 0.2 |
| (6) | (6) | (5) | (5) | (5) | (6) | (6) | (6) | (3) | |
| Nerves | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Motoneurones | TLo | TM | TLa | An | Bi | Br | ClB | DR | Med | Ul |
| ISp | 0.1 ± 0.2 | 0.2 ± 0.2 | 0.2 ± 0.3 | 0.2 ± 0.4 | — | — | — | — | < 0.1 | — |
| (34) | (26) | (28) | (26) | (40) | (40) | (36) | (42) | (34) | (40) | |
| SSp | < 0.1 | 0.1 ± 0.2 | 0.2 ± 0.3 | 0.1 ± 0.2 | 0.2 ± 0.4 | — | 0.1 ± 0.1 | < 0.1 | < 0.1 | < 0.1 |
| (34) | (24) | (24) | (24) | (30) | (35) | (34) | (33) | (33) | (34) | |
| SSc | < 0.1 | 0.1 ± 0.2 | < 0.1 | — | 0.2 ± 0.3 | 0.1 ± 0.2 | < 0.1 | — | 0.3 ± 0.1 | < 0.1 |
| (29) | (22) | (19) | (18) | (27) | (27) | (28) | (27) | (26) | (26) | |
| Ser | — | — | — | — | — | — | — | — | — | < 0.1 |
| (6) | (6) | (6) | (6) | (6) | (6) | (4) | (5) | (6) | (6) | |
Material of the quantitative analysis. The motor nuclei are listed from top to bottom, the stimulated nerves from left to right. Values are mean EPSPs in mV ± S.D.; numbers in parentheses are the number of cells tested. —, Ia excitation not found in any cell.