The DOI matches its Crossref record; 19 of the 19 references it cites were found in a registry or an index.
Evaluating the Operations Underlying Multisensory Integration in the Cat Superior Colliculus
Open accessAbstract
It is well established that superior colliculus (SC) multisensory neurons integrate cues from different senses; however, the mechanisms responsible for producing multisensory responses are poorly understood. Previous studies have shown that spatially congruent cues from different modalities (e.g., auditory and visual) yield enhanced responses and that the greatest relative enhancements occur for combinations of the least effective modality-specific stimuli. Although these phenomena are well documented, little is known about the mechanisms that underlie them, because no study has systematically examined the operation that multisensory neurons perform on their modality-specific inputs. The goal of this study was to evaluate the computations that multisensory neurons perform in combining the influences of stimuli from two modalities. The extracellular activities of single neurons in the SC of the cat were recorded in response to visual, auditory, and bimodal visual-auditory stimulation. Each neuron was tested across a range of stimulus intensities and multisensory responses evaluated against the null hypothesis of simple summation of unisensory influences. We found that the multisensory response could be superadditive, additive, or subadditive but that the computation was strongly dictated by the efficacies of the modality-specific stimulus components. Superadditivity was most common within a restricted range of near-threshold stimulus efficacies, whereas for the majority of stimuli, response magnitudes were consistent with the linear summation of modality-specific influences. In addition to providing a constraint for developing models of multisensory integration, the relationship between response mode and stimulus efficacy emphasizes the importance of considering stimulus parameters when inducing or interpreting multisensory phenomena.
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“Moreover, deviations from optimal integration have been observed in tasks with time constraints or novel stimuli (Arnold et al. 2019; Stanford et al. 2005), suggesting that the Bayesian fit may reflect task-specific tuning rather than a general cognitive strategy.”
From The myth of the Bayesian brain (2025) · cites this paper as Stanford et al. 2005
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Cites
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Interactions Among Converging Sensory Inputs in the Superior Colliculus
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Determinants of multisensory integration in superior colliculus neurons. I. Temporal factors
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Self-citationNeurons and behavior: the same rules of multisensory integration apply
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Self-citationThe role of anterior ectosylvian cortex in cross-modality orientation and approach behavior
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Metadata
- Authors
- Stanford, T. R., Quessy, S., & Stein, B. E.
- Affiliations
- Wake Forest University Health Sciences (US)
- University of Rochester Medicine (US)
- Venue
- The Journal of Neuroscience
- Publisher
- Society for Neuroscience
- Published
- 2005-07-13
- Volume
- 25
- Issue
- 28
- Pages
- 6499-6508
- ISSN
- 0270-6474 (ISSN-L)
- 1529-2401
- PMC
- PMC1237124
- OpenAlex
- W2038735682
- Cited by
- 314
- References
- 19
- Citations by year
- 2026: 6 · 2025: 19 · 2024: 22 · 2023: 12 · 2022: 7 · 2021: 12 · 2020: 13 · 2019: 15 · 2018: 11 · 2017: 14 · 2016: 14 · 2015: 15 · 2014: 14 · 2013: 12 · 2012: 12
- FWCI
- 23.32
- Type
- journal article
- Language
- en
- Open access
- hybrid
- doi.org
- Licence
- Locations
- Journal of Neuroscience (publishedVersion, cc-by-nc-sa)
- PubMed Central (publishedVersion)
- PubMed (publishedVersion)
- Funders
- National Institutes of Health (NS36916)
- National Institute of Neurological Disorders and Stroke (NS 36916, NS22543, R01NS036916, R01NS022543)
- 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, superior colliculus, cats, superadditivity, linear summation, single-unit recording, multisensory neurons, audiovisual integration
- MeSH terms
- Acoustic Stimulation, Action Potentials, Animals, Auditory Perception, Brain Mapping, Cats, Models, Neurological, Neurons, Photic Stimulation, Reaction Time, Sensation, Superior Colliculi, Visual Perception
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