Table 1.
Pallidal effects of STN-DBSa
| Total cells studied | Firing rate increase |
Firing rate decrease |
Antidromic-like activation | Total cells responding to stimulation | |||
|---|---|---|---|---|---|---|---|
| Phasic | Tonic | Phasic | Tonic | ||||
| Monkey B | 128 | 49 (38) | 0 | 70 (55) | 13 (10) | 12 (9) | 110 (86) |
| Monkey D | 104 | 46 (44) | 1 (1) | 71 (68) | 3 (3) | 10 (10) | 89 (86) |
| Total | 232 | 95 (41) | 1 (0.4) | 141 (61) | 16 (7) | 22 (9) | 199 (86) |
aValues are n (%). For description of detection of significance, see Methods. The numbers sum to >100% because some cells showed phasic increases and decreases in firing during STN-DBS. There was no significant difference observed between the populations of the two animals (χ2 = 6.93, p > 0.05).