ArticleCurrent biology : CB2014
CREB regulates memory allocation in the insular cortex.
Article in Current biology : CB, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 59 papers.
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Who cites it
59 citing papers in PubMed, 101 citations in OpenAlex.
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- Writing the Engram: Epigenetic Mechanisms of Memory Allocation.Journal of neurochemistry · 2025Review
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- A neural mechanism for learning from delayed postingestive feedback.bioRxiv : the preprint server for biology · 2024Article
- Activity-dependent transcriptional programs in memory regulate motor recovery after stroke.Communications biology · 2024Article
- Engram mechanisms of memory linking and identity.Nature reviews. Neuroscience · 2024Review
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- Memory allocation at the neuronal and synaptic levels.BMB reports · 2024Review
- Unveiling Transcriptional and Epigenetic Mechanisms Within Engram Cells: Insights into Memory Formation and Stability.Advances in neurobiology · 2024Review
- The intricate role of CCL5/CCR5 axis in Alzheimer disease.Journal of neuropathology and experimental neurology · 2023Review
- Engram neurons: Encoding, consolidation, retrieval, and forgetting of memory.Molecular psychiatry · 2023Review
- Formation and fate of an engram in the lateral amygdala supporting a rewarding memory in mice.Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology · 2023Article
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- Opto-extinction of a threat memory in mice.Brain research bulletin · 2022Article
- PDE2A Inhibition Enhances Axonal Sprouting, Functional Connectivity, and Recovery after Stroke.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2022Article
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- CCR5 closes the temporal window for memory linking.Nature · 2022Article
- Basolateral amygdala activation enhances object recognition memory by inhibiting anterior insular cortex activity.Proceedings of the National Academy of Sciences of the United States of America · 2022Article
Corrections and comments
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Authors and funding
9 authors at 1 institution in 1 country.
Funding
Abstract
The molecular and cellular mechanisms of memory storage have attracted a great deal of attention. By comparison, little is known about memory allocation, the process that determines which specific neurons in a neural network will store a given memory. Previous studies demonstrated that memory allocation is not random in the amygdala; these studies showed that amygdala neurons with higher levels of the cyclic-AMP-response-element-binding protein (CREB) are more likely to be recruited into encoding and storing fear memory. To determine whether specific mechanisms also regulate memory allocation in other brain regions and whether CREB also has a role in this process, we studied insular cortical memory representations for conditioned taste aversion (CTA). In this task, an animal learns to associate a taste (conditioned stimulus [CS]) with the experience of malaise (such as that induced by LiCl; unconditioned stimulus [US]). The insular cortex is required for CTA memory formation and retrieval. CTA learning activates a subpopulation of neurons in this structure, and the insular cortex and the basolateral amygdala (BLA) interact during CTA formation. Here, we used a combination of approaches, including viral vector transfections of insular cortex, arc fluorescence in situ hybridization (FISH), and designer receptors exclusively activated by designer drugs (DREADD) system, to show that CREB levels determine which insular cortical neurons go on to encode a given conditioned taste memory.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.