Table 2.
Summary of the onset latency and duration of excitatory and inhibitory responses of VTA neurons to footshock
| Cocaine-excited | Cocaine-inhibited | |||
|---|---|---|---|---|
| Excited by footshock | Inhibited by footshock | Excited by footshock | Inhibited by footshock | |
| Responsive neurons | 21 of 55 (38.2%) | 7 of 55 (12.8%) | 11 of 53 (20.8%) | 9 of 53 (17.0%) |
| Onset (ms) | 95.5 ± 28.2 | 107.1 ± 31.7 | 54.2 ± 16.3 | 77.8 ± 18.8 |
| Duration (ms) | 454.5 ± 63.8 | 407.1 ± 106.0 | 395.8 ± 66.3 | 238.9 ± 88.1 |
| Magnitude (spikes) | 102.1 ± 19.8 | -197.0 ± 132.6 | 122.4 ± 42.0 | -87.4 ± 18.9 |