期刊
TRENDS IN NEUROSCIENCES
卷 41, 期 12, 页码 938-949出版社
ELSEVIER SCIENCE LONDON
DOI: 10.1016/j.tins.2018.07.011
关键词
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资金
- Human Frontiers Science Program [LT000279/2016-L, RGP0040]
- ONR [N00014-17-1-2736]
- AFOSR [FA9550-14-1-0398]
- NSF Collaborative Research in Computational Neuroscience [IOS1460149]
- Deutsche Forschungsgemeinschaft (DFG) [EXC 307, HA5400/3-1]
- NSF [NCS-FO1734744]
Understanding the neural underpinnings of vocal-motor control in humans and other animals remains a major challenge in neurobiology. The Lombard effect - a rise in call amplitude in response to background noise - has been demonstrated in a wide range of vertebrates. Here, we review both behavioral and neurophysiological data and propose that the Lombard effect is driven by a subcortical neural network, which can be modulated by cortical processes. The proposed framework offers mechanistic explanations for two fundamental features of the Lombard effect: its widespread taxonomic distribution across the vertebrate phylogenetic tree and the widely observed variations in compensation magnitude. We highlight the Lombard effect as a model behavioral paradigm for unraveling some of the neural underpinnings of audiovocal integration.
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