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Synaptic Plasticity, Engrams, and Network Oscillations in Amygdala Circuits for Storage and Retrieval of Emotional Memories

The neuronal circuits of the basolateral amygdala (BLA) are crucial for acquisition, consolidation, retrieval, and extinction of associative emotional memories. Synaptic plasticity in BLA neurons is essential for associative emotional learning and is a candidate mechanism through which subsets of BL... Full description

Journal Title: Neuron (Cambridge Mass.), 2017-05-17, Vol.94 (4), p.731-743
Main Author: Bocchio, Marco
Other Authors: Nabavi, Sadegh , Capogna, Marco
Format: Electronic Article Electronic Article
Language: English
Subjects:
Sun
Quelle: Alma/SFX Local Collection
Publisher: United States: Elsevier Inc
ID: ISSN: 0896-6273
Link: https://www.ncbi.nlm.nih.gov/pubmed/28521127
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title: Synaptic Plasticity, Engrams, and Network Oscillations in Amygdala Circuits for Storage and Retrieval of Emotional Memories
format: Article
creator:
  • Bocchio, Marco
  • Nabavi, Sadegh
  • Capogna, Marco
subjects:
  • Activation
  • Amygdala
  • Amygdala - physiology
  • Animals
  • Appetitive Behavior
  • Association Learning
  • Association Learning - physiology
  • Associative learning
  • Associative memory
  • Auditory pathways
  • Axons
  • Basolateral Nuclear Complex
  • Basolateral Nuclear Complex - physiology
  • Brain Waves
  • Brain Waves - physiology
  • Cerebral Cortex
  • Cerebral Cortex - physiology
  • Circuits
  • Circular dichroism
  • Coding
  • Cognitive ability
  • Conditioning
  • Conditioning (Psychology)
  • Conditioning (Psychology) - physiology
  • Consolidation
  • Cortex (auditory)
  • Cortex (somatosensory)
  • Defensive behavior
  • Delta Rhythm
  • Delta Rhythm - physiology
  • Disorders
  • Dopamine
  • Emotional behavior
  • Emotions
  • Emotions - physiology
  • engrams
  • Extinction
  • Fear
  • Fear - physiology
  • Gamma Rhythm
  • Gamma Rhythm - physiology
  • Genetics
  • Hippocampus
  • Human behavior
  • Humans
  • interneurons
  • Journal Article
  • Long
  • Long-term depression
  • Long-term potentiation
  • Long-Term Potentiation - physiology
  • Memory
  • Memory - physiology
  • Mental disorders
  • Mental Recall
  • Motivation
  • Nerve Net
  • Neural Pathways
  • Neuronal Plasticity
  • Neuronal Plasticity - physiology
  • Neurons
  • Neurosciences
  • Nuclei
  • Oscillations
  • Prefrontal cortex
  • Primates
  • Protocol (computers)
  • Reinforcement
  • Retrieval
  • Review
  • Rodents
  • Sensory stimuli
  • Stellar mass
  • Stimulation
  • Strength
  • Substrates
  • Sun
  • Synapses
  • synaptic plasticity
  • Temporal lobe
  • Term Potentiation
  • Thalamus
  • Thalamus - physiology
  • Theta Rhythm
  • Theta Rhythm - physiology
  • Visual cortex
  • Visual perception
ispartof: Neuron (Cambridge, Mass.), 2017-05-17, Vol.94 (4), p.731-743
description: The neuronal circuits of the basolateral amygdala (BLA) are crucial for acquisition, consolidation, retrieval, and extinction of associative emotional memories. Synaptic plasticity in BLA neurons is essential for associative emotional learning and is a candidate mechanism through which subsets of BLA neurons (commonly termed “engram”) are recruited during learning and reactivated during memory retrieval. In parallel, synchronous oscillations in the theta and gamma bands between the BLA and interconnected structures have been shown to occur during consolidation and retrieval of emotional memories. Understanding how these cellular and network phenomena interact is vital to decipher the roles of emotional memory formation and storage in the healthy and pathological brain. Here, we review data on synaptic plasticity, engrams, and network oscillations in the rodent BLA. We explore mechanisms through which synaptic plasticity, engrams, and long-range synchrony might be interconnected. Bocchio et al. review how synaptic plasticity, engrams, and network oscillations in amygdala circuits contribute to the encoding of emotional memories. They explore mechanisms through which these cellular and network phenomena could interact.
language: eng
source: Alma/SFX Local Collection
identifier: ISSN: 0896-6273
fulltext: fulltext
issn:
  • 0896-6273
  • 1097-4199
url: Link


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creatorcontribBocchio, Marco ; Nabavi, Sadegh ; Capogna, Marco
descriptionThe neuronal circuits of the basolateral amygdala (BLA) are crucial for acquisition, consolidation, retrieval, and extinction of associative emotional memories. Synaptic plasticity in BLA neurons is essential for associative emotional learning and is a candidate mechanism through which subsets of BLA neurons (commonly termed “engram”) are recruited during learning and reactivated during memory retrieval. In parallel, synchronous oscillations in the theta and gamma bands between the BLA and interconnected structures have been shown to occur during consolidation and retrieval of emotional memories. Understanding how these cellular and network phenomena interact is vital to decipher the roles of emotional memory formation and storage in the healthy and pathological brain. Here, we review data on synaptic plasticity, engrams, and network oscillations in the rodent BLA. We explore mechanisms through which synaptic plasticity, engrams, and long-range synchrony might be interconnected. Bocchio et al. review how synaptic plasticity, engrams, and network oscillations in amygdala circuits contribute to the encoding of emotional memories. They explore mechanisms through which these cellular and network phenomena could interact.
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1EISSN: 1097-4199
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languageeng
publisherUnited States: Elsevier Inc
subjectActivation ; Amygdala ; Amygdala - physiology ; Animals ; Appetitive Behavior ; Association Learning ; Association Learning - physiology ; Associative learning ; Associative memory ; Auditory pathways ; Axons ; Basolateral Nuclear Complex ; Basolateral Nuclear Complex - physiology ; Brain Waves ; Brain Waves - physiology ; Cerebral Cortex ; Cerebral Cortex - physiology ; Circuits ; Circular dichroism ; Coding ; Cognitive ability ; Conditioning ; Conditioning (Psychology) ; Conditioning (Psychology) - physiology ; Consolidation ; Cortex (auditory) ; Cortex (somatosensory) ; Defensive behavior ; Delta Rhythm ; Delta Rhythm - physiology ; Disorders ; Dopamine ; Emotional behavior ; Emotions ; Emotions - physiology ; engrams ; Extinction ; Fear ; Fear - physiology ; Gamma Rhythm ; Gamma Rhythm - physiology ; Genetics ; Hippocampus ; Human behavior ; Humans ; interneurons ; Journal Article ; Long ; Long-term depression ; Long-term potentiation ; Long-Term Potentiation - physiology ; Memory ; Memory - physiology ; Mental disorders ; Mental Recall ; Motivation ; Nerve Net ; Neural Pathways ; Neuronal Plasticity ; Neuronal Plasticity - physiology ; Neurons ; Neurosciences ; Nuclei ; Oscillations ; Prefrontal cortex ; Primates ; Protocol (computers) ; Reinforcement ; Retrieval ; Review ; Rodents ; Sensory stimuli ; Stellar mass ; Stimulation ; Strength ; Substrates ; Sun ; Synapses ; synaptic plasticity ; Temporal lobe ; Term Potentiation ; Thalamus ; Thalamus - physiology ; Theta Rhythm ; Theta Rhythm - physiology ; Visual cortex ; Visual perception
ispartofNeuron (Cambridge, Mass.), 2017-05-17, Vol.94 (4), p.731-743
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descriptionThe neuronal circuits of the basolateral amygdala (BLA) are crucial for acquisition, consolidation, retrieval, and extinction of associative emotional memories. Synaptic plasticity in BLA neurons is essential for associative emotional learning and is a candidate mechanism through which subsets of BLA neurons (commonly termed “engram”) are recruited during learning and reactivated during memory retrieval. In parallel, synchronous oscillations in the theta and gamma bands between the BLA and interconnected structures have been shown to occur during consolidation and retrieval of emotional memories. Understanding how these cellular and network phenomena interact is vital to decipher the roles of emotional memory formation and storage in the healthy and pathological brain. Here, we review data on synaptic plasticity, engrams, and network oscillations in the rodent BLA. We explore mechanisms through which synaptic plasticity, engrams, and long-range synchrony might be interconnected. Bocchio et al. review how synaptic plasticity, engrams, and network oscillations in amygdala circuits contribute to the encoding of emotional memories. They explore mechanisms through which these cellular and network phenomena could interact.
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4Appetitive Behavior
5Association Learning
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10Axons
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14Brain Waves - physiology
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16Cerebral Cortex - physiology
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21Conditioning
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37Fear
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39Gamma Rhythm
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41Genetics
42Hippocampus
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46Journal Article
47Long
48Long-term depression
49Long-term potentiation
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51Memory
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53Mental disorders
54Mental Recall
55Motivation
56Nerve Net
57Neural Pathways
58Neuronal Plasticity
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abstractThe neuronal circuits of the basolateral amygdala (BLA) are crucial for acquisition, consolidation, retrieval, and extinction of associative emotional memories. Synaptic plasticity in BLA neurons is essential for associative emotional learning and is a candidate mechanism through which subsets of BLA neurons (commonly termed “engram”) are recruited during learning and reactivated during memory retrieval. In parallel, synchronous oscillations in the theta and gamma bands between the BLA and interconnected structures have been shown to occur during consolidation and retrieval of emotional memories. Understanding how these cellular and network phenomena interact is vital to decipher the roles of emotional memory formation and storage in the healthy and pathological brain. Here, we review data on synaptic plasticity, engrams, and network oscillations in the rodent BLA. We explore mechanisms through which synaptic plasticity, engrams, and long-range synchrony might be interconnected. Bocchio et al. review how synaptic plasticity, engrams, and network oscillations in amygdala circuits contribute to the encoding of emotional memories. They explore mechanisms through which these cellular and network phenomena could interact.
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pmid28521127
doi10.1016/j.neuron.2017.03.022
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