Journal
ELIFE
Volume 8, Issue -, Pages -Publisher
ELIFE SCIENCES PUBLICATIONS LTD
DOI: 10.7554/eLife.43753
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Funding
- Research Grants Council, University Grants Committee [N_HKUST606/12, 605813, 16322616, 16306817]
- National Basic Research Program of China [2014CB846101]
- Natural Science Foundation of China [31261160495]
- National Science Foundation [1816568]
- Intelligence Advanced Research Projects Activity [D16PC00007]
- Div Of Information & Intelligent Systems
- Direct For Computer & Info Scie & Enginr [1816568] Funding Source: National Science Foundation
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Our brain perceives the world by exploiting multisensory cues to extract information about various aspects of external stimuli. The sensory cues from the same stimulus should be integrated to improve perception, and otherwise segregated to distinguish different stimuli. In reality, however, the brain faces the challenge of recognizing stimuli without knowing in advance the sources of sensory cues. To address this challenge, we propose that the brain conducts integration and segregation concurrently with complementary neurons. Studying the inference of heading-direction via visual and vestibular cues, we develop a network model with two reciprocally connected modules modeling interacting visual-vestibular areas. In each module, there are two groups of neurons whose tunings under each sensory cue are either congruent or opposite. We show that congruent neurons implement integration, while opposite neurons compute cue disparity information for segregation, and the interplay between two groups of neurons achieves efficient multisensory information processing.
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