Cited by 42Retinal Development and DisordersVisual perception and processing mechanismsNeurogenesis and neuroplasticity mechanisms

Visual behavior of adult goldfish with regenerating retina

LINDSEY, AMY E., POWERS, MAUREEN K.·2007·Visual Neuroscience

Abstract

To determine whether regenerating neural pathways can support visual behavior, adult goldfish (Carassius auratus) were injected intraocularly with ouabain and tested for the presence of reflexive visual behaviors (dorsal light reflex and optokinetic nystagmus) and the ability to respond to visual stimuli in a classical conditioning paradigm. All visual behaviors were absent or greatly diminished until 8 to 10 weeks, when retinal layering had returned. At 10 weeks post-ouabain, reflexive behaviors to supra-threshold stimuli were near normal; however the ability to detect supra-threshold stimuli in the conditioning paradigm did not recover until 13 weeks. Absolute dark-adapted threshold and light-adapted spectral sensitivity measured at 13 to 17 weeks were abnormal: Dark-adapted threshold was elevated by 1.5 log units and light-adapted spectral sensitivity was markedly narrower than normal. No responses to 50% contrast sinusoidal gratings could be obtained through ouabain-treated eyes using the classical conditioning technique, even though responses through the untreated eye remained. Results demonstrate that: (a) visually mediated behaviors return in goldfish with ouabain-treated retinas; (b) the time course of recovery of reflexive responses in luminance and spatial domains parallels return of ERG function and of tectal activity; and (c) visual function that is mediated by regenerating retina appears not to be as sensitive as vision via normally developed retinal pathways.

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Crossref · 10.1017/s0952523806230207

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Authors
LINDSEY, A. E., & POWERS, M. K.
Affiliations
Vanderbilt University (US)
Venue
Visual Neuroscience
Published
2007-05
Volume
24
Issue
3
Pages
247-255
ISSN
  • 0952-5238 (ISSN-L)
  • 1469-8714
OpenAlex
W2113084310
Cited by
42
References
35
Citations by year
2026: 3 · 2025: 2 · 2024: 3 · 2023: 3 · 2022: 3 · 2021: 5 · 2020: 2 · 2019: 1 · 2018: 4 · 2017: 2 · 2015: 3 · 2014: 3 · 2013: 1 · 2012: 1
FWCI
0.53
Type
journal article
Language
en
Open access
closed
Locations
  • Visual Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health (5r01ey008256-05)
  • National Eye Institute (R01 EY08256, P30-EY08126, P30EY008126)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Retinal Development and Disorders
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Visual perception and processing mechanisms
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
Keywords
retinal regeneration, goldfish, ouabain, optokinetic nystagmus, classical conditioning, spectral sensitivity, ERG
MeSH terms
Adaptation, Ocular, Animals, Behavior, Animal, Dose-Response Relationship, Drug, Goldfish, Lecithin Cholesterol Acyltransferase Deficiency, Nerve Regeneration, Neurons, Ouabain, Reflex, Retina, Vision, Ocular, Contrast Sensitivity, Nystagmus, Optokinetic

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