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  5. A diversity of interneurons and Hebbian plasticity facilitate rapid compressible learning in the hippocampus
 
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A diversity of interneurons and Hebbian plasticity facilitate rapid compressible learning in the hippocampus
File(s)
Nicola19.pdf (3.76 MB)
Accepted version
Author(s)
Nicola, Wilten
Clopath, Claudia
Type
Journal Article
Abstract
The hippocampus is able to rapidly learn incoming information, even if that information is only observed once. Further, this information can be replayed in a compressed format in either forward or reverse modes during Sharp Wave Ripples (SPW-Rs). We leveraged state-of-the-art techniques in training recurrent spiking networks to demonstrate how primarily interneuron networks can: 1) generate internal theta sequences to bind externally elicited spikes in the presence of inhibition from Medial Septum, 2) compress learned spike sequences in the form of a SPW-R when septal inhibition is removed, 3) generate and refine high-frequency assemblies during SPW-R mediated compression, and 4) regulate the inter-SPW-interval timing between SPW-Rs in ripple clusters. From the fast timescale of neurons to the slow timescale of behaviours, interneuron networks serve as the scaffolding for one-shot learning by replaying, reversing, refining, and regulating spike sequences.
Date Issued
2019-07-01
Date Acceptance
2019-04-23
Citation
Nature Neuroscience, 2019, 22 (7), pp.1168-1181
URI
http://hdl.handle.net/10044/1/70274
URL
https://www.nature.com/articles/s41593-019-0415-2
DOI
https://www.dx.doi.org/10.1038/s41593-019-0415-2
ISSN
1097-6256
Publisher
Nature Research
Start Page
1168
End Page
1181
Journal / Book Title
Nature Neuroscience
Volume
22
Issue
7
Copyright Statement
© The Author(s), under exclusive licence to Springer Nature America, Inc. 2019. For Nature Research's Terms of Reuse of archived manuscripts please see: https://www.nature.com/nature-research/editorial-policies/self-archiving-and-license-to-publish#terms-for-use.
Sponsor
Wellcome Trust
Biotechnology and Biological Sciences Research Council (BBSRC)
Biotechnology and Biological Sciences Research Cou
Simons Foundation
Identifier
https://www.nature.com/articles/s41593-019-0415-2
Grant Number
200790/Z/16/Z
BB/P018785/1
ORCA 64155 (BB/N013956/1)
Award ID:564408
Subjects
Science & Technology
Life Sciences & Biomedicine
Neurosciences
Neurosciences & Neurology
THETA-PHASE PRECESSION
GAMMA-OSCILLATIONS
PLACE CELLS
CONTAINING NEURONS
ENTORHINAL CORTEX
SPIKE SEQUENCES
MEDIAL SEPTUM
SLOW ACTIVITY
MEMORY
RAT
CA3 Region, Hippocampal
Computer Simulation
Interneurons
Learning
Memory
Neural Networks, Computer
Neuronal Plasticity
Septal Nuclei
Time Factors
Septal Nuclei
Interneurons
Learning
Memory
Neuronal Plasticity
Time Factors
Computer Simulation
CA3 Region, Hippocampal
Neural Networks, Computer
1109 Neurosciences
1701 Psychology
1702 Cognitive Sciences
Neurology & Neurosurgery
Publication Status
Published
Date Publish Online
2019-06-24
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