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Defensive burying behaviors during early withdrawal from methamphetamine self-administration in rats with short or extended access
| Parameters | ShA (n=12) | LgA (n=7) | |
|---|---|---|---|
| Latency to touch the probe (s) |
25.5±8.2 | 52.3±18.5 | ns |
| Immobility after the shock (s) | 6.4±2.7 | 19.3±9.0 | p<0.05 |
| Latency to bury after the shock (s) |
60.3±14.2 | 104.6±30.9 | ns |
| Duration of burying (s) | 149.4±22.3 | 95.1±13.9 | p<0.05 |
| Height of the bedding (cm) | 11.7±0.6 | 9.3±0.7 | p<0.01 |
ns not significant
