Cited by 515Visual perception and processing mechanismsRetinal Development and DisordersNeuroscience and Neuropharmacology Research

Fast and Slow Contrast Adaptation in Retinal Circuitry

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Baccus, Stephen A., Meister, Markus·2002·Neuron

Abstract

The visual system adapts to the magnitude of intensity fluctuations, and this process begins in the retina. Following the switch from a low-contrast environment to one of high contrast, ganglion cell sensitivity declines in two distinct phases: a fast change occurs in <0.1 s, and a slow decrease over approximately 10 s. To examine where these modulations arise, we recorded intracellularly from every major cell type in the salamander retina. Certain bipolar and amacrine cells, and all ganglion cells, adapted to contrast. Generally, these neurons showed both fast and slow adaptation. Fast effects of a contrast increase included accelerated kinetics, decreased sensitivity, and a depolarization of the baseline membrane potential. Slow adaptation did not affect kinetics, but produced a gradual hyperpolarization. This hyperpolarization can account for slow adaptation in the spiking output of ganglion cells.

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Crossref · 10.1016/s0896-6273(02)01050-4

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  • Neurons in many cortical and subcortical brain areas exhibit robust gain modulation that may contribute to multiple cognitive functions, including attention, learning, sensory processing and multimodal integration.

    “Neurons in many cortical and subcortical brain areas exhibit robust gain modulation that may contribute to multiple cognitive functions, including attention, learning, sensory processing and multimodal integration1–3,7,8,13–17.”

    From Mechanisms underlying gain modulation in the cortex (2020) · cites this paper as [17]

  • Adaptation enables high sensitivity to small changes in stimulus features over a large range of intensities and is found across sensory systems.

    “Adaptation enables high sensitivity to small changes in stimulus features over a large range of intensities, and is found across sensory systems5,17,26,105,210–216.”

    From Mechanisms underlying gain modulation in the cortex (2020) · cites this paper as [17]

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Authors
Baccus, S. A., & Meister, M.
Affiliations
Harvard University (US)
Corresponding author
Baccus, Stephen A.
Venue
Neuron
Publisher
Elsevier BV
Published
2002-12
Volume
36
Issue
5
Pages
909-919
ISSN
0896-6273 (ISSN-L)
OpenAlex
W2159198041
Cited by
515
References
39
Citations by year
2026: 13 · 2025: 7 · 2024: 14 · 2023: 21 · 2022: 30 · 2021: 21 · 2020: 28 · 2019: 23 · 2018: 24 · 2017: 22 · 2016: 22 · 2015: 28 · 2014: 22 · 2013: 37 · 2012: 20
FWCI
6.18
Type
journal article
Language
en
Open access
Locations
  • Neuron (publishedVersion)
  • PubMed (publishedVersion)
  • CaltechAUTHORS (California Institute of Technology) (submittedVersion)
Funders
  • National Eye Institute
  • Israel National Road Safety Authority
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Visual perception and processing mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Retinal Development and Disorders
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
Keywords
contrast adaptation, retinal circuitry, ganglion cells, bipolar cells, amacrine cells, salamander retina, rapid adaptation, slow adaptation, membrane potential, hyperpolarization, neuronal sensitivity, intracellular recording
MeSH terms
Adaptation, Ocular, Animals, Electrophysiology, Membrane Potentials, Models, Biological, Neurons, Photic Stimulation, Rabbits, Retina, Time Factors, Caudata, Contrast Sensitivity

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