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Gonzalez-Lima, F.; Bruchey, Aleksandra K. – Learning & Memory, 2004
We investigated whether postextinction administration of methylene blue (MB) could enhance retention of an extinguished conditioned response. MB is a redox compound that at low doses elevates cytochrome oxidase activity, thereby improving brain energy production. Saline or MB (4 mg/kg intraperitoneally) were administered to rats for 5 d following…
Descriptors: Memory, Pharmacology, Conditioning, Auditory Stimuli
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Cattarelli, Martine; Dardou, David; Datiche, Frederique – Learning & Memory, 2006
When an odor is paired with a delayed illness, rats acquire a relatively weak odor aversion. In contrast, rats develop a strong aversion to an olfactory cue paired with delayed illness if it is presented simultaneously with a gustatory cue. Such a conditioning effect has been referred to as taste-potentiated odor aversion learning (TPOA). TPOA is…
Descriptors: Animal Behavior, Behavior Modification, Nonverbal Learning, Laboratory Experiments