Cited by 514Visual perception and processing mechanismsNeurogenesis and neuroplasticity mechanismsAxon Guidance and Neuronal Signaling

Competition in Retinogeniculate Patterning Driven by Spontaneous Activity

Penn, Anna A., Riquelme, Patricio A., Feller, Marla B., Shatz, Carla J.·1998·Science

Abstract

When contacts are first forming in the developing nervous system, many neurons generate spontaneous activity that has been hypothesized to shape appropriately patterned connections. In Mustela putorius furo, monocular intraocular blockade of spontaneous retinal waves of action potentials by cholinergic agents altered the subsequent eye-specific lamination pattern of the lateral geniculate nucleus (LGN). The projection from the active retina was greatly expanded into territory normally belonging to the other eye, and the projection from the inactive retina was substantially reduced. Thus, interocular competition driven by endogenous retinal activity determines the pattern of eye-specific connections from retina to LGN, demonstrating that spontaneous activity can produce highly stereotyped patterns of connections before the onset of visual experience.

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Crossref · 10.1126/science.279.5359.2108

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2 of 2 references verified0 citation errors · 0 not checkable

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  • Monocular epibatidine injection preserves eye-specific segregation and induces the affected weaker projections to lose their territory preferentially.

    “Previous work has shown that injecting epibatidine binocularly blocks eye-specific segregation in dLGN, whereas injecting epibatidine monocularly preserves eye-specific segregation, inducing the affected weaker projections to lose their territory preferentially.”
  • Retinogeniculate segregation does not occur when retinal wave activity is blocked.

    “Retinogeniculate segregation does not occur when retinal wave activity is blocked17,24 raising the question of whether neural activity plays a role in astrocyte-mediated synapse elimination.”
  • Binocular epibatidine injection blocks eye-specific segregation in dLGN.

    “Previous work has shown that injecting epibatidine binocularly blocks eye-specific segregation in dLGN, whereas injecting epibatidine monocularly preserves eye-specific segregation, inducing the affected weaker projections to lose their territory preferentially.”

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Authors
Penn, A. A., Riquelme, P. A., Feller, M. B., & Shatz, C. J.
Affiliations
Howard Hughes Medical Institute (US)
Corresponding author
  • Penn, Anna A.
  • Feller, Marla B.
Venue
Science
Published
1998-03-27
Volume
279
Issue
5359
Pages
2108-2112
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W1975196303
Cited by
514
References
2
Citations by year
2026: 7 · 2025: 11 · 2024: 19 · 2023: 10 · 2022: 19 · 2021: 15 · 2020: 7 · 2019: 15 · 2018: 10 · 2017: 11 · 2016: 7 · 2015: 10 · 2014: 25 · 2013: 17 · 2012: 14
FWCI
23.01
Type
journal article
Language
en
Open access
closed
Locations
  • Science (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Institute of Mental Health (MH 98108)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Visual perception and processing mechanisms
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Axon Guidance and Neuronal Signaling
Keywords
lateral geniculate nucleus, cholinergic blockade, retinotopic map, visual system development, ferrets
MeSH terms
Action Potentials, Animals, Animals, Newborn, Axons, Bungarotoxins, Ferrets, Geniculate Bodies, Microspheres, Peptides, Pyridines, Retina, Retinal Ganglion Cells, Visual Pathways, Nicotinic Agonists, Bridged Bicyclo Compounds, Heterocyclic, Conotoxins

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