Cited by 523Memory and Neural MechanismsNeuroscience and Neuropharmacology ResearchMemory Processes and Influences

The DOI matches its Crossref record; 38 of the 38 references it cites were found in a registry or an index.

Long-Range Connectivity Defines Behavioral Specificity of Amygdala Neurons

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Abstract

Memories are acquired and encoded within large-scale neuronal networks spanning different brain areas. The anatomical and functional specificity of such long-range interactions and their role in learning is poorly understood. The amygdala and the medial prefrontal cortex (mPFC) are interconnected brain structures involved in the extinction of conditioned fear. Here, we show that a defined subpopulation of basal amygdala (BA) projection neurons targeting the prelimbic (PL) subdivision of mPFC is active during states of high fear, whereas BA neurons targeting the infralimbic (IL) subdivision are recruited, and exhibit cell-type-specific plasticity, during fear extinction. Pathway-specific optogenetic manipulations demonstrate that the activity balance between pathways is causally involved in fear extinction. Together, our findings demonstrate that, although intermingled locally, long-range connectivity defines distinct subpopulations of amygdala projection neurons and indicate that the formation of long-term extinction memories depends on the balance of activity between two defined amygdala-prefrontal pathways.

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Crossref · 10.1016/j.neuron.2013.11.006

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Metadata

Authors
Senn, V., Wolff, S. B. E., Herry, C., Grenier, F., Ehrlich, I., Gründemann, J., Fadok, J. P., Müller, C., Letzkus, J. J., & Lüthi, A.
Affiliations
  • University of Basel (CH)
  • Friedrich Miescher Institute (CH)
Corresponding author
Lüthi, Andreas
Venue
Neuron
Publisher
Elsevier BV
Published
2014-01
Volume
81
Issue
2
Pages
428-437
ISSN
0896-6273 (ISSN-L)
OpenAlex
W1977502547
Cited by
522
References
38
Citations by year
2026: 17 · 2025: 28 · 2024: 35 · 2023: 35 · 2022: 40 · 2021: 55 · 2020: 45 · 2019: 52 · 2018: 55 · 2017: 47 · 2016: 30 · 2015: 49 · 2014: 34
FWCI
29.74
Type
journal article
Language
en
Open access
Locations
  • Neuron (publishedVersion)
  • PubMed (publishedVersion)
  • MPG.PuRe (Max Planck Society) (submittedVersion)
Funders
Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory Processes and Influences
Keywords
amygdala, medial prefrontal cortex, fear extinction, long-range connectivity, prelimbic cortex, infralimbic cortex, memory extinction, optogenetic manipulation, fear conditioning
MeSH terms
Channelrhodopsins, Acoustic Stimulation, Action Potentials, Amygdala, Analysis of Variance, Animals, Bacterial Proteins, Biophysics, Cell Count, Conditioning, Classical, Elapid Venoms, Electric Stimulation, Extinction, Psychological, Fear, Hippocampus, Light, Luminescent Proteins, Male, Neural Pathways, Neurons, Peptides, Time Factors, Oncogene Proteins v-fos, Prefrontal Cortex, Herpesvirus 1, Human, Patch-Clamp Techniques, Mice, Biophysical Phenomena, Optogenetics, In Vitro Techniques

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