Percentage of neurons showing short-latency responses after 2 Hz STN stimulation
| Latency (msec) | Response | R7160 (2.4 V) | R370 (3.0 V) | ||
|---|---|---|---|---|---|
| GPe (n = 16) | GPi (n = 22) | GPe (n = 18) | GPi (n = 27) | ||
| 1.0–2.5 | Inhibition | 31 | 77 | 56 | 67 |
| 2.5–4.5 | Excitation | 63 | 41 | 83 | 52 |
| 4.5–5.5 | Inhibition | 25 | 41 | 11 | 70 |
| 5.5–7.0 | Excitation | 19 | 73 | 33 | 63 |
| 7.0–9.0 | Inhibition | 6 | 45 | 28 | 44 |