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Average cocaine intake across the last three days of cocaine self-administration, the total number of cocaine self-administration sessions, and the total number of extinction sessions prior to reinstatement testing. Data are expressed as mean ± SEM.
| Self-administration | Extinction | ||
|---|---|---|---|
| Cocaine intake (mg/kg) | Total # of sessions | Total # of sessions | |
| Group | |||
| Males (n=14) | 19.54 ± 0.92 | 10.79 ± 0.32 | 7.12 ± 0.11 |
| Females (n=47) | 20.90 ± 0.78 | 11.51 ± 0.23 | 7.63 ± 0.16 |
