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Direct linkvan Duuren, Esther; Nieto Escamez, Francisco A.; Joosten, Ruud N. J. M. A.; Visser, Rein; Mulder, Antonius B.; Pennartz, Cyriel M. A. – Learning & Memory, 2007
The orbitofrontal cortex (OBFc) has been suggested to code the motivational value of environmental stimuli and to use this information for the flexible guidance of goal-directed behavior. To examine whether information regarding reward prediction is quantitatively represented in the rat OBFc, neural activity was recorded during an olfactory…
Descriptors: Stimuli, Rewards, Coding, Knowledge Representation
Lebel, David; Sidhu, Nishchal; Barkai, Edi; Quinlan, Elizabeth M. – Learning & Memory, 2006
Olfactory discrimination (OD) learning consists of two phases: an initial N-methyl-d-aspartate (NMDA) receptor--sensitive rule-learning phase, followed by an NMDA receptor (NMDAR)--insensitive pair-learning phase. The rule-learning phase is accompanied by changes in the composition and function of NMDARs at synapses in the piriform cortex,…
Descriptors: Behavior Modification, Discrimination Learning, Neurolinguistics, Conditioning
Torras-Garcia, Meritxell; Tronel, Sophie; Sara, Susan J.; Lelong, Julien – Learning & Memory, 2005
A rapidly learned odor discrimination task based on spontaneous foraging behavior of the rat was used to evaluate the role of N-methyl-D-aspartate (NMDA) receptors (NMDARs) in ongoing memory consolidation. Rats were trained in a single session to discriminate among three odors, one of which was associated with palatable food reward. Previous…
Descriptors: Mnemonics, Role Perception, Memory, Memorization
