NEURONAL NETWORK TRIGGERING A FIXED ACTION PATTERN

被引:103
作者
WILLOWS, AOD
HOYLE, G
机构
[1] Biology Department, University of Oregon, Eugene
[2] Department of Zoology, University of Washington, Seattle
关键词
D O I
10.1126/science.166.3912.1549
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Bursts of impulses in groups of brain cells of the nudibranch Tritonia trigger prolonged swimming that is identical to the natural escape response. The cells in which the activity occurs form two bilaterally symmetrical groups of at least 30 cells in each pleural ganglion. These neurons are interconnected by pathways that have a low electrical resistance, both within a ganglion and across the brain. Together they form a network that determines whether a swimming escape response will occur or not by filtering out weak neural activity yet responding with a burst of impulses to intensive specific input to either group.
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页码:1549 / &
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