Parallel processing strategies of the primate visual system.

Parallel processing strategies of the primate visual system.
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DOI:
10.1038/nrn2619
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发表时间:
2009-05
影响因子:
34.7
通讯作者:
Callaway, Edward M.
Callaway, Edward M.
中科院分区:
医学1区
文献类型:
--
作者:
Nassi, Jonathan J.;Callaway, Edward M.

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传入的感觉信息沿着对应于五种感觉的特定通道沿着发送到大脑。这些通道中的每一个都进一步将传入的信号解析为并行流,以向大脑提供紧凑、高效的输入。最终,这些并行输入信号必须在皮质内进行详细阐述和整合,以提供统一且连贯的感知。最近对灵长类视觉皮层的研究极大地帮助我们理解了这一目标是如何实现的。多种策略,包括视网膜平铺,分层和并行处理和模块化,定义空间和细胞类型特定的连接,都被视觉系统用来恢复我们的视觉环境的丰富细节。
Incoming sensory information is sent to the brain along modality-specific channels corresponding to the five senses. Each of these channels further parses the incoming signals into parallel streams to provide a compact, efficient input to the brain. Ultimately, these parallel input signals must be elaborated upon and integrated within the cortex to provide a unified and coherent percept. Recent studies in the primate visual cortex have greatly contributed to our understanding of how this goal is accomplished. Multiple strategies including retinal tiling, hierarchical and parallel processing and modularity, defined spatially and by cell type-specific connectivity, are all used by the visual system to recover the rich detail of our visual surroundings.
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