Cited by 10Visual perception and processing mechanismsNeural dynamics and brain functionNeural Networks and Applications

Contrast normalization contributes to a biologically-plausible model of receptive-field development in primary visual cortex (V1)

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Willmore, Ben D.B., Bulstrode, Harry, Tolhurst, David J.·2012·Vision Research

Abstract

Neuronal populations in the primary visual cortex (V1) of mammals exhibit contrast normalization. Neurons that respond strongly to simple visual stimuli - such as sinusoidal gratings - respond less well to the same stimuli when they are presented as part of a more complex stimulus which also excites other, neighboring neurons. This phenomenon is generally attributed to generalized patterns of inhibitory connections between nearby V1 neurons. The Bienenstock, Cooper and Munro (BCM) rule is a neural network learning rule that, when trained on natural images, produces model neurons which, individually, have many tuning properties in common with real V1 neurons. However, when viewed as a population, a BCM network is very different from V1 - each member of the BCM population tends to respond to the same dominant features of visual input, producing an incomplete, highly redundant code for visual information. Here, we demonstrate that, by adding contrast normalization into the BCM rule, we arrive at a neurally-plausible Hebbian learning rule that can learn an efficient sparse, overcomplete representation that is a better model for stimulus selectivity in V1. This suggests that one role of contrast normalization in V1 is to guide the neonatal development of receptive fields, so that neurons respond to different features of visual input.

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Crossref · 10.1016/j.visres.2011.12.008

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  • Gain regulation has been suggested to enable networks of neurons to produce distributed representations of stimulus features.

    “Gain regulation has been suggested to enable networks of neurons to produce distributed representations of stimulus features223, and to allow downstream decoders to be optimized for diverse stimuli by separating those features224.”

    From Mechanisms underlying gain modulation in the cortex (2020) · cites this paper as [223]

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Authors
Willmore, B. D. B., Bulstrode, H., & Tolhurst, D. J.
Affiliations
  • University of Oxford (GB)
  • University of Cambridge (GB)
Corresponding author
Willmore, Ben D.B.
Venue
Vision Research
Publisher
Elsevier BV
Published
2012-02
Volume
54
Pages
49-60
ISSN
0042-6989 (ISSN-L)
OpenAlex
W2161725119
Cited by
10
References
61
Citations by year
2022: 1 · 2021: 1 · 2020: 2 · 2017: 1 · 2016: 1 · 2015: 1 · 2014: 1 · 2013: 1 · 2012: 1
FWCI
0.65
Type
journal article
Language
en
Open access
Locations
  • Vision Research (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Funders
Wellcome Trust (WT076508AIA)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Visual perception and processing mechanisms
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural dynamics and brain function
  • Physical Sciences › Computer Science › Artificial Intelligence › Neural Networks and Applications
Keywords
contrast normalization, receptive field development, primary visual cortex, BCM rule, Hebbian learning, stimulus selectivity, inhibitory interneurons, neural network model, visual development
MeSH terms
Humans, Models, Neurological, Retina, Visual Cortex, Visual Fields, Visual Perception, Contrast Sensitivity

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