Table 1.
Degree and spread of mixture interactions across the four major response types.
| Linear | Synergism | Suppression | Hypoadditivity | TOTAL | |
|---|---|---|---|---|---|
| A FREQUENCY | |||||
| Excitatory | 20/2 | 10/1 | 40/4 | 30/3 | 10 |
| Inhibitory | 18/2 | 0 | 9/1 | 73/8 | 11 |
| Biphasic | 20/2 | 0 | 40/4 | 40/4 | 10 |
| Bimodal | 0 | 33/1 | 33/1 | 33/1 | 3 |
| TOTAL | 18/6 | 6/2 | 29/10 | 47/16 | 34 |
| 18% | 82% | 100% | |||
| B LATENCY | |||||
| Excitatory | 20/2 | 0 | 20/2 | 60/6 | 10 |
| Inhibitory | 64/7 | 0 | 9/2 | 27/4 | 11 |
| Biphasic | 0 | 10/1 | 50/5 | 4074 | 10 |
| Bimodal | 0 | 33/1 | 33/1 | 0 | 3 |
| TOTAL | 27/9 | 6/2 | 26/10 | 41/14 | 34 |
| 27% | 73% | 100% | |||
A high percentage (>80%) of neurons show non-linear inegration properties in response to the mixture, based on the analysis of spike frequency and latency (%/n; n = Number of antennal lobe neurons exhibiting each characteristic).