Mean ± SEM of Acb neurons exhibiting phasic cell firing relative to the water- but not cocaine-reinforced response
| Epoch (sec) | Type PR (n= 14) | Type RFe (n = 9) | Type RFi (n = 6) | |||
|---|---|---|---|---|---|---|
| Water | Cocaine | Water | Cocaine | Water | Cocaine | |
| Baseline | ||||||
| −10 to −7.5 | 2.54 ± 0.68 | 1.99 ± 0.69 | 3.02 ± 0.39 | 1.42 ± 0.35 | 2.59 ± 0.83 | 0.88 ± 0.67 |
| Response | ||||||
| −2.5 to 0 | 6.30 ± 1.49 | 2.44 ± 0.84 | 2.53 ± 0.50 | 1.38 ± 0.29 | 1.75 ± 0.49 | 1.17 ± 0.69 |
| Reinforcement | ||||||
| 0 to 2.5 | 2.98 ± 0.77 | 2.29 ± 0.85 | 5.77 ± 1.43 | 1.03 ± 0.51 | 0.96 ± 0.32 | 1.03 ± 0.51 |
| Recovery | ||||||
| 7.5 to 10 | 2.37 ± 0.69 | 1.86 ± 0.74 | 4.64 ± 0.80 | 1.58 ± 0.33 | 3.31 ± 1.33 | 0.95 ± 0.62 |
Boldface type denotes significant difference (p < 0.05) compared to baseline within the same column.