THE COMPUTATIONAL LEECH

被引:18
作者
LOCKERY, SR [1 ]
SEJNOWSKI, TJ [1 ]
机构
[1] SALK INST BIOL STUDIES,COMPUTAT NEUROBIOL LAB,LA JOLLA,CA 92037
关键词
D O I
10.1016/0166-2236(93)90183-M
中图分类号
Q189 [神经科学];
学科分类号
071006 [神经生物学];
摘要
The local bending reflex of the leech computes a well-defined sensorimotor input-output function in which each of several unique patterns of sensory input elicits a unique pattern of motoneuron activity. Interneurons in the reflex respond to most input patterns and contribute to most motor patterns, suggesting a distributed processing mechanism for the reflex. This suggestion is supported by models in which connection strengths are adjusted by a neural network optimization algorithm to reproduce the local bending input-output function. In addition, computational parallels between the local bending network and the perceptron, a major class of artificial neural networks, brings the functional role of local bending interneurons into question and suggests new physiological experiments.
引用
收藏
页码:283 / 290
页数:8
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