Table 5.
Basic response characteristics of the excitatory and inhibitory neurons in SVX rats
| MSG | NaCl | |
|---|---|---|
| AM | ||
| Excitatory | ||
| Latency (min) | 15.6 ± 2.4 | 9.3 ± 1.5a |
| Duration (min) | 9.7 ± 1.6 | 9.7 ± 0.9 |
| Magnitude (spikes/sec)b | 0.3 ± 0.1 | 0.9 ± 0.3 |
| Inhibitory | ||
| Latency (min) | 12.5 ± 2.2 | 17.0 ± 2.1 |
| Duration (min) | 12.8 ± 2.1a | 7.6 ± 2.2a |
| Magnitude (spikes/sec)a | −2.9 ± 0.4 | −1.2 ± 0.2a |
| LH | ||
| Excitatory | ||
| Latency (min) | 12.5 ± 2.8 | 8.8 ± 1.6a |
| Duration (min) | 7.4 ± 1.7 | 9.9 ± 2.0 |
| Magnitude (spikes/sec)b | 4.9 ± 1.6 | 1.8 ± 0.8 |
| Inhibitory | ||
| Latency (min) | 10.7 ± 1.1 | 14.2 ± 2.1 |
| Duration (min) | 13.2 ± 1.5a | 9.3 ± 1.6a |
| Magnitude (spikes/sec)a | −3.2 ± 0.7 | −1.5 ± 0.4a |
Data are expressed as mean ± SEM
a, b
the value is significantly different from the intact rats (a) or from the other region (b) (simple main effect analysis, P < 0.05).
AM, amygdala; LH, lateral hypothalamus; Saline, physiological saline.