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Ventral Tegmental Area and Substantia Nigra Neural Correlates of Spatial Learning
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Martig, Adria K.; Mizumori, Sheri J. Y. – Learning & Memory, 2011
The ventral tegmental area (VTA) and substantia nigra pars compacta (SNc) may provide modulatory signals that, respectively, influence hippocampal (HPC)- and striatal-dependent memory. Electrophysiological studies investigating neural correlates of learning and memory of dopamine (DA) neurons during classical conditioning tasks have found DA…
Descriptors: Classical Conditioning, Memory, Brain, Rewards
Similarity in Spatial Origin of Information Facilitates Cue Competition and Interference
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Amundson, Jeffrey C.; Miller, Ralph R. – Learning and Motivation, 2007
Two lick suppression studies were conducted with water-deprived rats to investigate the influence of spatial similarity in cue interaction. Experiment 1 assessed the influence of similarity of the spatial origin of competing cues in a blocking procedure. Greater blocking was observed in the condition in which the auditory blocking cue and the…
Descriptors: Inhibition, Spatial Ability, Cues, Competition
Blocking and Unblocking in a Navigation Task
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Rodrigo, T.; Arall, M.; Chamizo, V. D. – Psicologica: International Journal of Methodology and Experimental Psychology, 2005
Rodrigo, Chamizo, McLaren, & Mackintosh (1997) demonstrated the blocking effect in a navigational task using a swimming pool: rats initially trained to use three landmarks (ABC) to find an invisible platform learned less about a fourth landmark (X) added later than did rats trained from the outset with these four landmarks (ABCX). The aim of the…
Descriptors: Control Groups, Animals, Classical Conditioning, Recreational Facilities