Sensitivity of basic oscillatory mechanisms for pattern generation and detection

被引:0
作者
Miriam Zacksenhouse
机构
[1] Sensory Motor Integration Laboratory,
[2] Faculty of Mechanical Engineering,undefined
[3] Technion – Israel Institute of Technology,undefined
[4] Haifa,undefined
[5] Israel,undefined
来源
Biological Cybernetics | 2001年 / 85卷
关键词
Pattern Generation; Temporal Pattern; Oscillatory Frequency; Electrical Circuit; Characteristic Pattern;
D O I
暂无
中图分类号
学科分类号
摘要
 Intrinsic oscillators are the basic building blocks of central pattern generators, which model the neural circuits underlying pattern generation. Coupled intrinsic oscillators have been shown to synchronize their oscillatory frequencies and to maintain a characteristic pattern of phase relationships. Recently, oscillatory neurons have also been identified in sensory systems that are involved in decoding phase information. It has been hypothesized that the neural oscillators are part of neural circuits that implement phase-locked loops (PLLs), which are well-known electrical circuits for temporal decoding. Thus, there is evidence that intrinsic neural oscillators participate in both temporal pattern generation and temporal pattern decoding. The present paper investigates the dynamics underlying forced oscillators and forced PLLs, using a single framework, and compares both their stability and sensitivity characteristics. In particular, a method for assessing whether an oscillatory neuron is forced directly or indirectly, as part of a PLL, is developed and applied to published data.
引用
收藏
页码:301 / 311
页数:10
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