Table 7.
Summary of analyses to determine whether significant CPP was obtained in each strain (see text).
| Strain | GRID+ vs. GRID− | PDT vs. 50% | GRID± vs. Saline-Only Group | |||||
|---|---|---|---|---|---|---|---|---|
| 2 g/kg | 4 g/kg | 2 g/kg | 4 g/kg | 2:GRID+ | 2:GRID− | 4:GRID+ | 4:GRID− | |
| 129P3/J | -- | a | -- | -- | -- | -- | -- | -- |
| A/HeJ | d | d | d | d | c | -- | a | -- |
| AKR/J | d | d | d | d | -- | a | a | a |
| BALB/cJ | -- | -- | -- | -- | -- | -- | -- | -- |
| C3H/HeJ | a | d | -- | b | -- | -- | b | a |
| C57BL/6J | -- | -- | -- | -- | -- | -- | -- | -- |
| C57L/J | -- | -- | -- | -- | -- | -- | -- | -- |
| C58/J | -- | -- | -- | -- | -- | -- | -- | -- |
| CBA/J | b | -- | a | -- | b | -- | b | -- |
| DBA/1J | -- | -- | -- | -- | -- | a | -- | -- |
| DBA/2J | b | d | b | d | b | -- | b | -- |
| NZB/B1NJ | b | d | c | d | -- | -- | -- | -- |
| PL/J | a | b | a | a | b | -- | b | -- |
| SJL/J | a | a | -- | a | a | -- | a | -- |
| SWR/J | -- | -- | -- | -- | -- | a | -- | -- |
d= p < .0001, c= p < .001, b= p < .01, a= p < .05; Note: In all cases, the difference showed place preference, not aversion.