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Title: Function of attention in learning process in the olfactory bulb
Author: Ma, BS ; Wang, SP ; Li, Y ; Feng, CH ; null(郭爱克)
Source: SCIENCE IN CHINA SERIES C-LIFE SCIENCES
Issued Date: 2003
Volume: 46, Issue:4, Pages:358-369
Keyword: olfactory bulb ; spike effective time ; learning rule ; feedback ; attention ; ENCODING NEURAL ASSEMBLIES ; ASSOCIATIVE MEMORY ; MODEL ; ODORS ; INHIBITION ; REPRESENTATIONS ; NEURONS ; HEBB
Subject: Life Sciences & Biomedicine - Other Topics
Corresponding Author: Guo, AK (reprint author), Chinese Acad Sci, Inst Biophys, Lab Visual Informat Proc, Beijing 100101, Peoples R China,
English Abstract: It has been suggested that in the olfactory bulb, odor information is processed through parallel channels and learning depends on the cognitive environment. The synapse's spike effective time is defined as the effective time for a spike from pre-synapse to post-synapse, which varies with the type of synapse. A learning model of the olfactory bulb was constructed for synapses with varying spike effective times. The simulation results showed that such a model can realize the multi-channel processing of information in the bulb. Furthermore, the effect of the cognitive environment on the learning process was also studied. Different feedback frequencies were used to express different attention states. Considering the information's multi-channel processing requirement for learning, a learning rule considering both spike timing and average spike frequency is proposed. Simulation results showed that habituation and anti-habituation of an odor in the olfactory bulb might be the result of learning guided by a common local learning rule but at different attention states.
Indexed Type: sci
Language: 英语
Content Type: 期刊论文
URI: http://ir.sibs.ac.cn/handle/331001/2009
Appears in Collections:神经所(总)_期刊论文
学习与记忆研究组_期刊论文

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Recommended Citation:
Ma, BS; Wang, SP; Li, Y; Feng, CH; Guo, AK.Function of attention in learning process in the olfactory bulb,SCIENCE IN CHINA SERIES C-LIFE SCIENCES,2003,46(4):358-369
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