The selectivity of aversive memory reconsolidation and extinction processes depends on the initial encoding of the Pavlovian association. 2013

Jacek Debiec, and Lorenzo Diaz-Mataix, and David E A Bush, and Valérie Doyère, and Joseph E LeDoux
W.M. Keck Foundation Laboratory of Neurobiology, Center for Neural Science, New York University, New York 10003, USA.

In reconsolidation studies, memories are typically retrieved by an exposure to a single conditioned stimulus (CS). We have previously demonstrated that reconsolidation processes are CS-selective, suggesting that memories retrieved by the CS exposure are discrete and reconsolidate separately. Here, using a compound stimulus in which two distinct CSs are concomitantly paired with the same aversive unconditioned stimulus (US), we show in rats that reexposure to one of the components of the compound CS triggers extinction or reconsolidation of the other component. This suggests that the original training conditions play a critical role in memory retrieval and reconsolidation.

UI MeSH Term Description Entries
D008297 Male Males
D008568 Memory Complex mental function having four distinct phases: (1) memorizing or learning, (2) retention, (3) recall, and (4) recognition. Clinically, it is usually subdivided into immediate, recent, and remote memory.
D011500 Protein Synthesis Inhibitors Compounds which inhibit the synthesis of proteins. They are usually ANTI-BACTERIAL AGENTS or toxins. Mechanism of the action of inhibition includes the interruption of peptide-chain elongation, the blocking the A site of ribosomes, the misreading of the genetic code or the prevention of the attachment of oligosaccharide side chains to glycoproteins. Protein Synthesis Antagonist,Protein Synthesis Antagonists,Protein Synthesis Inhibitor,Antagonist, Protein Synthesis,Antagonists, Protein Synthesis,Inhibitor, Protein Synthesis,Inhibitors, Protein Synthesis,Synthesis Antagonist, Protein,Synthesis Inhibitor, Protein
D003214 Conditioning, Classical Learning that takes place when a conditioned stimulus is paired with an unconditioned stimulus. Reflex, Conditioned,Classical Conditioning,Classical Conditionings,Conditioned Reflex,Conditionings, Classical
D005108 Extinction, Psychological The procedure of presenting the conditioned stimulus without REINFORCEMENT to an organism previously conditioned. It refers also to the diminution of a conditioned response resulting from this procedure. Psychological Extinction,Extinction (Psychology),Extinctions (Psychology),Extinctions, Psychological,Psychological Extinctions
D005239 Fear The affective response to an actual current external danger which subsides with the elimination of the threatening condition. Threat Cues,Threat Sensitivity,Cue, Threat,Fears,Sensitivity, Threat,Threat Cue,Threat Sensitivities
D000679 Amygdala Almond-shaped group of basal nuclei anterior to the INFERIOR HORN OF THE LATERAL VENTRICLE of the TEMPORAL LOBE. The amygdala is part of the limbic system. Amygdaloid Body,Amygdaloid Nuclear Complex,Amygdaloid Nucleus,Archistriatum,Corpus Amygdaloideum,Intercalated Amygdaloid Nuclei,Massa Intercalata,Nucleus Amygdalae,Amygdalae, Nucleus,Amygdaloid Bodies,Amygdaloid Nuclear Complices,Amygdaloid Nuclei, Intercalated,Amygdaloid Nucleus, Intercalated,Amygdaloideum, Corpus,Amygdaloideums, Corpus,Archistriatums,Complex, Amygdaloid Nuclear,Complices, Amygdaloid Nuclear,Corpus Amygdaloideums,Intercalata, Massa,Intercalatas, Massa,Intercalated Amygdaloid Nucleus,Massa Intercalatas,Nuclear Complex, Amygdaloid,Nuclear Complices, Amygdaloid,Nuclei, Intercalated Amygdaloid,Nucleus, Amygdaloid,Nucleus, Intercalated Amygdaloid
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D000841 Anisomycin An antibiotic isolated from various Streptomyces species. It interferes with protein and DNA synthesis by inhibiting peptidyl transferase or the 80S ribosome system. Flagecidin
D013997 Time Factors Elements of limited time intervals, contributing to particular results or situations. Time Series,Factor, Time,Time Factor

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