Table 2.

Mean exploration times (±SEM) in the sample and test phases of the object-in-place task after muscimol or AP5 infusions

ExperimentDelayConditionExploration in sample phase (s)Exploration in test phase (s)
NovelFamiliarTotal
Muscimol infused before sample phase5 minVehicle102.8 ± 4.524.6 ± 2.311.5 ± 1.636.1 ± 3.1
Muscimol86.3 ± 8.323.2 ± 3.19.5 ± 1.632.6 ± 3.8
3 hVehicle94.8 ± 5.932.0 ± 2.614.5 ± 1.146.4 ± 2.5
Muscimol97.8 ± 5.027.5 ± 2.525.0 ± 2.252.5 ± 3.7
Muscimol infused before test phase3 hVehicle89.4 ± 3.830.9 ± 1.514.9 ± 1.445.8 ± 2.2
Muscimol93.7 ± 3.022.4 ± 2.323.7 ± 2.046.0 ± 3.8
AP5 infused before sample phase3 hVehicle93.7 ± 6.028.4 ± 2.011.4 ± 1.739.9 ± 2.7
AP587.0 ± 5.726.1 ± 2.412.0 ± 1.638.1 ± 3.7
24 hVehicle93.5 ± 2.931.8 ± 3.012.4 ± 1.244.2 ± 3.3
AP594.3 ± 4.231.0 ± 2.814.2 ± 1.145.2 ± 2.9
  • Exploration in the test phase is presented as mean time spent exploring the novel and familiar objects separately and as total exploration.