Average amount of time (mean seconds ± S.E.M.) spent in passive interaction on challenge day
| Drug Treatment | Time (Mean Seconds ± S.E.M.) |
|---|---|
| Saline-saline | 32.74 ± 5.27 |
| Ropinirole-saline | 37.04 ± 8.71 |
| Saline-PCP | 31.60 ± 6.59 |
| Ropinirole-PCP | 38.78 ± 10.71 |
No significant effect of repeated drug treatment or PCP challenge on time during passive interaction.