Multisensory integration: resolving sensory ambiguities to build novel representations.

Multisensory integration: resolving sensory ambiguities to build novel representations.
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DOI:
10.1016/j.conb.2010.04.009
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发表时间:
2010-06
影响因子:
5.7
通讯作者:
Angelaki DE
Angelaki DE
中科院分区:
医学2区
文献类型:
--
作者:
Green AM;Angelaki DE

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多感觉整合在神经系统中发挥着几个重要作用。一是结合来自多个互补线索的信息来改进刺激检测和辨别。另一个是解决外围感官模糊性并创建单个传感器层面上不存在的新颖的内部表征。在这里,我们重点关注如何解决前庭、本体感觉和视觉信号固有的模糊性,以创建对我们的自我运动在行为上有用的内部估计。我们回顾了最近的研究,这些研究为这些估计的性质以及如何处理和组合多个但单独模糊的感觉信号提供了新的线索。我们强调需要将实验与理论见解相结合,以了解正在发生的转变。
Multisensory integration plays several important roles in the nervous system. One is to combine information from multiple complementary cues to improve stimulus detection and discrimination. Another is to resolve peripheral sensory ambiguities and create novel internal representations that do not exist at the level of individual sensors. Here we focus on how ambiguities inherent in vestibular, proprioceptive and visual signals are resolved to create behaviorally useful internal estimates of our self-motion. We review recent studies that have shed new light on the nature of these estimates and how multiple, but individually ambiguous, sensory signals are processed and combined to compute them. We emphasize the need to combine experiments with theoretical insights to understand the transformations that are being performed.
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