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Title: Neural representation of a-oriented moving light bars in the cortex: A neural network study
Author: Li, YH ; Guo, A
Source: PHYSICAL REVIEW E
Issued Date: 2001
Volume: 64, Issue:4, Pages:41916-41916
Keyword: SPONTANEOUS OSCILLATIONS ; COINCIDENCE DETECTOR ; VISUAL-CORTEX ; NEURONS ; SYNCHRONIZATION ; SEGMENTATION ; PLASTICITY ; PATTERNS ; FEATURES ; BINDING
Subject: Physics
Corresponding Author: Guo, A (reprint author), Chinese Acad Sci, Inst Biophys, Lab Visual Informat Proc, Beijing 100101, Peoples R China,akguo@ion.ac.cn
English Abstract: A neural computational model is suggested in this paper for investigating the stimulus dependence of spiking patterns and the neural representation of a-oriented moving light bars in the cortex. In this model, a stimulus-directed cortical developing algorithm is introduced for training the neural network. Three classes of computer simulations concerned with the orientation of the stimulus are carried out. The simulation results show that the fine temporal structure of spiking patterns of single units depends on the a orientation of the two moving light bars, and the fine temporal structure of their combinatorial spiking patterns are also context dependent. They also show that the neural representation of an a-oriented moving light bar is determined not only by the stimulus itself but also the architecture of the matured network. In the end, we propose a possible neural coding mechanism underlying the temporal cell subassemblies in the cortex, which could be spontaneously and dynamically organized into a dynamical cell assembly by synchronized activity of these subassemblies.
Indexed Type: SCI
Language: 英语
Content Type: 期刊论文
URI: http://ir.sibs.ac.cn/handle/331001/2073
Appears in Collections:神经所(总)_期刊论文

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Li, YH; Guo, A.Neural representation of a-oriented moving light bars in the cortex: A neural network study,PHYSICAL REVIEW E,2001,64(4):41916-41916
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文件名: PhysRevE.64.041916.pdf
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