Behavior-related visual activations in the auditory cortex of nonhuman primates

IF 6.7 2区 医学 Q1 NEUROSCIENCES
Ying Huang , Michael Brosch
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引用次数: 0

Abstract

While it is well established that sensory cortical regions traditionally thought to be unimodal can be activated by stimuli from modalities other than the dominant one, functions of such foreign-modal activations are still not clear. Here we show that visual activations in early auditory cortex can be related to whether or not the monkeys engaged in audio-visual tasks, to the time when the monkeys reacted to the visual component of such tasks, and to the correctness of the monkeys’ response to the auditory component of such tasks. These relationships between visual activations and behavior suggest that auditory cortex can be recruited for visually-guided behavior and that visual activations can prime auditory cortex such that it is prepared for processing future sounds. Our study thus provides evidence that foreign-modal activations in sensory cortex can contribute to a subject’s ability to perform tasks on stimuli from foreign and dominant modalities.

非人灵长类听觉皮层中与行为相关的视觉激活。
虽然传统上被认为是单模态的感觉皮层区域会被主要模态以外的其他模态刺激激活,但这种外来模态激活的功能尚不清楚。在这里,我们发现早期听觉皮层中的视觉激活与猴子是否参与视听任务、猴子对这些任务中的视觉部分做出反应的时间以及猴子对这些任务中的听觉部分做出反应的正确性有关。视觉激活与行为之间的这些关系表明,听觉皮层可被用于视觉引导的行为,视觉激活可为听觉皮层提供素材,使其为处理未来的声音做好准备。因此,我们的研究提供了证据,证明感觉皮层中的外来模式激活可以促进受试者在外来模式和主要模式刺激下完成任务的能力。
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来源期刊
Progress in Neurobiology
Progress in Neurobiology 医学-神经科学
CiteScore
12.80
自引率
1.50%
发文量
107
审稿时长
33 days
期刊介绍: Progress in Neurobiology is an international journal that publishes groundbreaking original research, comprehensive review articles and opinion pieces written by leading researchers. The journal welcomes contributions from the broad field of neuroscience that apply neurophysiological, biochemical, pharmacological, molecular biological, anatomical, computational and behavioral analyses to problems of molecular, cellular, developmental, systems, and clinical neuroscience.
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