Cited by 67Neuroscience and Neuropharmacology ResearchVisual perception and processing mechanismsNeural dynamics and brain function

A refractory period for rejuvenating GABAergic synaptic transmission and ocular dominance plasticity with dark exposure

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Huang, Shiyong, Gu, Yu, Quinlan, Elizabeth M., Kirkwood, Alfredo·2010·The Journal of Neuroscience

Abstract

Dark exposure initiated in adulthood reactivates robust ocular dominance plasticity in the visual cortex. Here, we show that a critical component of the response to dark exposure is the rejuvenation of inhibitory synaptic transmission, resulting in a decrease in functional inhibitory synaptic density, a decrease in paired-pulse depression, and a reexpression of endocannabinoid-dependent inhibitory long-term depression (iLTD). Importantly, pharmacological acceleration of the maturation of inhibition in dark-exposed adults inhibits the reexpression of iLTD and the reactivation of ocular dominance plasticity. Surprisingly, dark exposure initiated earlier in postnatal development does not rejuvenate inhibitory synaptic transmission or facilitate rapid ocular dominance plasticity, demonstrating the presence of a refractory period for the regulation of synaptic plasticity by visual deprivation.

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Authors
Huang, S., Gu, Y., Quinlan, E. M., & Kirkwood, A.
Affiliations
  • Johns Hopkins University (US)
  • University of Maryland, College Park (US)
Corresponding author
  • Quinlan, Elizabeth M.
  • Kirkwood, Alfredo
Venue
The Journal of Neuroscience
Published
2010-12-08
Volume
30
Issue
49
Pages
16636-16642
ISSN
  • 0270-6474 (ISSN-L)
  • 1529-2401
OpenAlex
W1993995201
Cited by
67
References
40
Citations by year
2026: 1 · 2025: 2 · 2023: 1 · 2022: 8 · 2021: 2 · 2020: 4 · 2019: 2 · 2018: 4 · 2017: 12 · 2016: 7 · 2015: 3 · 2014: 4 · 2013: 7 · 2012: 4
FWCI
2.20
Type
journal article
Language
en
Open access
Locations
  • Journal of Neuroscience (publishedVersion, cc-by-nc-sa)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health
  • National Eye Institute (R01EY012124, R01EY016431)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Visual perception and processing mechanisms
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural dynamics and brain function
Keywords
ocular dominance plasticity, dark exposure, visual deprivation, GABAergic neurotransmission, synaptic inhibition, endocannabinoids, paired-pulse depression, refractory period, visual cortex, postnatal development, synapse maturation
MeSH terms
Analysis of Variance, Animals, Biophysics, Calcium Channel Blockers, Darkness, Electric Stimulation, gamma-Aminobutyric Acid, Morpholines, Naphthalenes, Synaptic Transmission, Piperidines, Pyrazoles, Refractory Period, Electrophysiological, Sensory Deprivation, Time Factors, Visual Cortex, 2-Amino-5-phosphonovalerate, Patch-Clamp Techniques, Excitatory Amino Acid Antagonists, 6-Cyano-7-nitroquinoxaline-2,3-dione, Rats, Long-Evans, Dominance, Ocular, Benzoxazines, Rats, Inhibitory Postsynaptic Potentials, In Vitro Techniques

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