Table 3.
Mean ± SEM of Acb neurons exhibiting phasic cell firing relative to the cocaine- but not water-reinforced response
| Epoch (sec) | Type PR (n = 9) | Type RFe (n = 5) | Type RFi (n = 6) | Type PR+RF (n = 6) | ||||
|---|---|---|---|---|---|---|---|---|
| Water | Cocaine | Water | Cocaine | Water | Cocaine | Water | Cocaine | |
| Baseline | ||||||||
| −10 to −7.5 | 3.63 ± 1.54 | 1.85 ± 0.51 | 1.22 ± 0.45 | 1.67 ± 0.51 | 3.57 ± 1.43 | 3.09 ± 1.03 | 5.73 ± 2.70 | 2.18 ± 0.92 |
| Response | ||||||||
| −2.5 to 0 | 3.59 ± 1.52 | 5.04 ± 1.13 | 1.29 ± 0.49 | 1.97 ± 0.84 | 2.88 ± 0.89 | 3.22 ± 1.26 | 6.15 ± 3.87 | 5.16 ± 1.75 |
| Reinforcement | ||||||||
| 0 to 2.5 | 3.15 ± 1.15 | 2.31 ± 0.71 | 1.29 ± 0.67 | 3.65 ± 0.80 | 2.60 ± 0.83 | 1.49 ± 0.61 | 5.03 ± 3.35 | 5.67 ± 2.18 |
| Recovery | ||||||||
| 7.5 to 10 | 3.53 ± 1.62 | 1.42 ± 0.38 | 1.03 ± 0.43 | 1.30 ± 0.46 | 2.87 ± 0.92 | 2.93 ± 0.95 | 4.99 ± 3.09 | 2.07 ± 0.94 |
Boldface type denotes significant difference (p < 0.05) compared to baseline within the same column.