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Sheynikhovich, Denis; Chavarriaga, Ricardo; Strosslin, Thomas; Arleo, Angelo; Gerstner, Wulfram – Psychological Review, 2009
Modern psychological theories of spatial cognition postulate the existence of a geometric module for reorientation. This concept is derived from experimental data showing that in rectangular arenas with distinct landmarks in the corners, disoriented rats often make diagonal errors, suggesting their preference for the geometric (arena shape) over…
Descriptors: Cues, Spatial Ability, Geometric Concepts, Information Processing
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O'Carroll, Colin M.; Martin, Stephen J.; Sandin, Johan; Frenguelli, Bruno; Morris, Richard G. M. – Learning & Memory, 2006
The persistence of new memory traces in the hippocampus, encoded following appropriate activation of glutamatergic receptors and the induction of synaptic plasticity, can be influenced by heterosynaptic activation of neuromodulatory brain systems. We therefore investigated the effects of a hippocampus-specific blockade of dopamine D1/D5 receptors…
Descriptors: Intervals, Brain, Animals, Animal Behavior