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Multisensory integration in the mammalian brain: diversity and flexibility in health and disease

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Title
Multisensory integration in the mammalian brain: diversity and flexibility in health and disease
Author(s)
Ilsong Choi; Demir, Ilayda; Oh, Seungmi; Seung-Hee Lee
Publication Date
2023-09
Journal
Philosophical Transactions of the Royal Society B: Biological Sciences, v.378, no.1886
Publisher
Royal Society of London
Abstract
Multisensory integration (MSI) occurs in a variety of brain areas, spanning cortical and subcortical regions. In traditional studies on sensory processing, the sensory cortices have been considered for processing sensory information in a modality-specific manner. The sensory cortices, however, send the information to other cortical and subcortical areas, including the higher association cortices and the other sensory cortices, where the multiple modality inputs converge and integrate to generate a meaningful percept. This integration process is neither simple nor fixed because these brain areas interact with each other via complicated circuits, which can be modulated by numerous internal and external conditions. As a result, dynamic MSI makes multisensory decisions flexible and adaptive in behaving animals. Impairments in MSI occur in many psychiatric disorders, which may result in an altered perception of the multisensory stimuli and an abnormal reaction to them. This review discusses the diversity and flexibility of MSI in mammals, including humans, primates and rodents, as well as the brain areas involved. It further explains how such flexibility influences perceptual experiences in behaving animals in both health and disease. This article is part of the theme issue 'Decision and control processes in multisensory perception'.
URI
https://pr.ibs.re.kr/handle/8788114/14027
DOI
10.1098/rstb.2022.0338
ISSN
0962-8436
Appears in Collections:
Center for Synaptic Brain Dysfunctions(시냅스 뇌질환 연구단) > 1. Journal Papers (저널논문)
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