A normalization model of multisensory integration
Open accessAbstract
Responses of neurons that integrate multiple sensory inputs are traditionally characterized in terms of a set of empirical principles. However, a simple computational framework that accounts for these empirical features of multisensory integration has not been established. We propose that divisive normalization, acting at the stage of multisensory integration, can account for many of the empirical principles of multisensory integration shown by single neurons, such as the principle of inverse effectiveness and the spatial principle. This model, which uses a simple functional operation (normalization) for which there is considerable experimental support, also accounts for the recent observation that the mathematical rule by which multisensory neurons combine their inputs changes with cue reliability. The normalization model, which makes a strong testable prediction regarding cross-modal suppression, may therefore provide a simple unifying computational account of the important features of multisensory integration by neurons.
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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 [3]
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- Authors
- Ohshiro, T., Angelaki, D. E., & DeAngelis, G. C.
- Affiliations
- University of Rochester (US)
- Washington University in St. Louis (US)
- Corresponding author
- DeAngelis, Gregory C
- Venue
- Nature Neuroscience
- Published
- 2011-05-08
- Volume
- 14
- Issue
- 6
- Pages
- 775-782
- ISSN
- 1097-6256 (ISSN-L)
- 1546-1726
- PMC
- PMC3102778
- OpenAlex
- W2167940154
- Cited by
- 320
- References
- 50
- Citations by year
- 2026: 15 · 2025: 26 · 2024: 21 · 2023: 24 · 2022: 19 · 2021: 17 · 2020: 21 · 2019: 18 · 2018: 23 · 2017: 22 · 2016: 31 · 2015: 18 · 2014: 15 · 2013: 19 · 2012: 21
- FWCI
- 26.70
- Type
- journal article
- Language
- en
- Open access
- green
- www.ncbi.nlm.nih.gov
- Licence
- www.springer.com/tdm (tdm)
- Locations
- Nature Neuroscience (publishedVersion)
- PubMed (publishedVersion)
- PubMed Central (acceptedVersion)
- Funders
- National Eye Institute (R01EY019087, R01EY016178)
- Topics
- Social Sciences › Psychology › Experimental and Cognitive Psychology › Multisensory perception and integration
- Life Sciences › Neuroscience › Cognitive Neuroscience › Visual perception and processing mechanisms
- Life Sciences › Neuroscience › Cognitive Neuroscience › Neural dynamics and brain function
- Keywords
- multisensory integration, divisive normalization, computational model, cue reliability, multisensory neurons
- MeSH terms
- Auditory Perception, Humans, Models, Neurological, Neurons, Neurons, Afferent, Superior Colliculi, Temporal Lobe, Visual Perception
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