Proportions of frequency response area types recorded with urethane or chloralose anesthesia in the inferior colliculus of the guinea pig
| Frequency response type | Urethane | Chlorolose | ||
|---|---|---|---|---|
| n | Percentage | n | Percentage | |
| V-Shaped response areas | ||||
| Monotonic | 76 | 72.4 | 35 | 48.6 |
| Nonmonotonic | 12 | 11.4 | 13 | 18.1 |
| Subtotal (V-shaped) | 88 | 83.8 | 48 | 66.7 |
| Non-V-shaped response areas | ||||
| Narrow | 6 | 5.7 | 15 | 20.8 |
| Closed | 2 | 1.9 | 5 | 6.9 |
| High tilt | 3 | 2.9 | 1 | 1.4 |
| Low tilt | 4 | 3.8 | 2 | 2.8 |
| Double-peaked | 2 | 1.9 | 1 | 1.4 |
| Subtotal (non-V-shaped) | 17 | 16.2 | 24 | 33.3 |
| Total | 105 | 100 | 72 | 100 |