Canavier Carmen C
Department of Cell Biology and Anatomy, LSU Health Sciences Center, 1901 Perdido Street, New Orleans, LA 70112, USA.
Curr Opin Neurobiol. 2015 Apr;31:206-13. doi: 10.1016/j.conb.2014.12.003. Epub 2014 Dec 17.
Models of information transmission in the brain largely rely on firing rate codes. The abundance of oscillatory activity in the brain suggests that information may be also encoded using the phases of ongoing oscillations. Sensory perception, working memory and spatial navigation have been hypothesized to use phase codes, and cross-frequency coordination and phase synchronization between brain areas have been proposed to gate the flow of information. Phase codes generally require the phase of the oscillations to be reset at specific reference points for consistent coding, and coordination between oscillators requires favorable phase resetting characteristics. Recent evidence supports a role for neural oscillations in providing temporal reference windows that allow for correct parsing of phase-coded information.
大脑中的信息传递模型很大程度上依赖于发放率编码。大脑中丰富的振荡活动表明，信息也可能利用持续振荡的相位进行编码。感觉知觉、工作记忆和空间导航被假定使用相位编码，并且已经提出脑区之间的跨频率协调和相位同步来控制信息流。相位编码通常要求振荡的相位在特定参考点重置以实现一致编码，并且振荡器之间的协调需要良好的相位重置特性。最近的证据支持神经振荡在提供时间参考窗口方面的作用，该窗口允许正确解析相位编码信息。
