Feature-based attention influences motion processing gain in macaque visual cortex
Open accessAbstract
Changes in neural responses based on spatial attention have been demonstrated in many areas of visual cortex, indicating that the neural correlate of attention is an enhanced response to stimuli at an attended location and reduced responses to stimuli elsewhere. Here we demonstrate non-spatial, feature-based attentional modulation of visual motion processing, and show that attention increases the gain of direction-selective neurons in visual cortical area MT without narrowing the direction-tuning curves. These findings place important constraints on the neural mechanisms of attention and we propose to unify the effects of spatial location, direction of motion and other features of the attended stimuli in a 'feature similarity gain model' of attention.
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Gain modulation (wherein attention multiplicatively scales neural activity) has been found in many neural systems.
“Similar to self-attention, gain modulation (wherein attention multiplicatively scales neural activity) has been found in many neural systems (Treue & Trujillo 1999, Reynolds & Heeger 2009).”
From Consciousness in Artificial Intelligence: Insights from the Science of Consciousness (2023) · cites this paper as Treue & Trujillo 1999
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 [16]
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- Authors
- Treue, S., & Trujillo, J. C. M.
- Affiliations
- University of Tübingen (DE)
- ORCID
- Treue, Stefan
- Venue
- Nature
- Published
- 1999-06
- Volume
- 399
- Issue
- 6736
- Pages
- 575-579
- ISSN
- 0028-0836 (ISSN-L)
- 1476-4687
- OpenAlex
- W1675937554
- Cited by
- 1,465
- References
- 21
- Citations by year
- 2026: 41 · 2025: 44 · 2024: 44 · 2023: 47 · 2022: 41 · 2021: 58 · 2020: 49 · 2019: 79 · 2018: 61 · 2017: 60 · 2016: 51 · 2015: 54 · 2014: 76 · 2013: 57 · 2012: 65
- FWCI
- 17.49
- Type
- journal article
- Language
- en
- Open access
- Licence
- Locations
- Nature (publishedVersion)
- PubMed (publishedVersion)
- RePEc: Research Papers in Economics (submittedVersion)
- GoeScholar The Publication Server of the Georg-August-Universität Göttingen (Georg-August-Universität Göttingen) (submittedVersion, cc-by)
- GRO (submittedVersion, cc-by)
- Topics
- Life Sciences › Neuroscience › Cognitive Neuroscience › Visual perception and processing mechanisms
- Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Visual Attention and Saliency Detection
- Social Sciences › Psychology › Experimental and Cognitive Psychology › Multisensory perception and integration
- Keywords
- feature-based attention, visual motion processing, direction-selective neurons, non-spatial attention, macaque
- MeSH terms
- Animals, Attention, Macaca, Motion Perception, Neurons, Visual Cortex
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