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Direct linkPerez, Leticia; Patel, Ushma; Rivota, Marissa; Calin-Jageman, Irina E.; Calin-Jageman, Robert J. – Learning & Memory, 2018
Most long-term memories are forgotten. What happens, then, to the changes in neuronal gene expression that were initially required to encode and maintain the memory? Here we show that the decay of recall for long-term sensitization memory in "Aplysia" is accompanied both by a form of savings memory (easier relearning) and by persistent…
Descriptors: Long Term Memory, Genetics, Recall (Psychology), Animals
Jarome, Timothy J.; Kwapis, Janine L.; Werner, Craig T.; Parsons, Ryan G.; Gafford, Georgette M.; Helmstetter, Fred J. – Learning & Memory, 2012
Numerous studies have indicated that maintaining a fear memory after retrieval requires de novo protein synthesis. However, no study to date has examined how the temporal dynamics of repeated retrieval events affect this protein synthesis requirement. The present study varied the timing of a second retrieval of an established auditory fear memory…
Descriptors: Genetics, Program Effectiveness, Long Term Memory, Fear
Gutierrez, Ranier; De la Cruz, Vanesa; Rodriguez-Ortiz, Carlos J.; Bermudez-Rattoni, Federico – Learning & Memory, 2004
The relevance of perirhinal cortical cholinergic and glutamatergic neurotransmission for taste recognition memory and learned taste aversion was assessed by microinfusions of muscarinic (scopolamine), NMDA (AP-5), and AMPA (NBQX) receptor antagonists. Infusions of scopolamine, but not AP5 or NBQX, prevented the consolidation of taste recognition…
Descriptors: Long Term Memory, Recognition (Psychology), Animals, Primatology
Brown, Malcolm Watson; Warburton, Elizabeth Clea; Barker, Gareth Robert Isaac; Bashir, Zafar Iqbal – Learning & Memory, 2006
Recognition memory, involving the ability to discriminate between a novel and familiar object, depends on the integrity of the perirhinal cortex (PRH). Glutamate, the main excitatory neurotransmitter in the cortex, is essential for many types of memory processes. Of the subtypes of glutamate receptor, metabotropic receptors (mGluRs) have received…
Descriptors: Integrity, Recognition (Psychology), Biochemistry, Experiments
Bolding, Kevin; Rudy, Jerry W. – Learning & Memory, 2006
Although the Morris water task has been used in hundreds of studies of place learning, there have been no systematic studies of retention of the place memory. We report that retention, as measured by selective search behavior on a probe trial, is excellent when the retention interval is short (5-10 min). However, performance rapidly deteriorates,…
Descriptors: Cognitive Processes, Intervals, Retention (Psychology), Nonverbal Learning
Daumas, Stephanie; Halley, Helene; Frances, Bernard; Lassalle, Jean-Michel – Learning & Memory, 2005
Studies on human and animals shed light on the unique hippocampus contributions to relational memory. However, the particular role of each hippocampal subregion in memory processing is still not clear. Hippocampal computational models and theories have emphasized a unique function in memory for each hippocampal subregion, with the CA3 area acting…
Descriptors: Conditioning, Fear, Recognition (Psychology), Animals
