ARC Centre of Excellence in Vision Science, R.N. Robertson Building, Australian National University, Canberra, ACT 0200, Australia.
Curr Opin Neurobiol. 2011 Aug;21(4):553-8. doi: 10.1016/j.conb.2011.05.012. Epub 2011 Jun 7.
We use saccades several times per second to move the fovea between points of interest and build an understanding of our visual environment. Recent behavioral experiments show evidence for the integration of pre- and postsaccadic information (even subliminally), the modulation of visual sensitivity, and the rapid reallocation of attention. The recent physiological literature has identified a characteristic modulation of neural responsiveness-perisaccadic reduction followed by a postsaccadic increase-that is found in many visual areas, but whose source is as yet unknown. This modulation seems optimal for reducing sensitivity during and boosting sensitivity between saccades, but no study has yet established a direct causal link between neural and behavioral changes.
我们每秒会进行几次眼跳，以使注视点在感兴趣的点之间移动，并构建对视觉环境的理解。最近的行为实验表明，在注视前和注视后信息（即使是在潜意识下）的整合、视觉敏感性的调节以及注意力的快速重新分配方面存在证据。最近的生理学文献确定了一种特征性的神经反应调制——眼跳期间的减少和眼跳后的增加——这种调制在许多视觉区域中都有发现，但来源尚不清楚。这种调制似乎最有利于降低眼跳期间的敏感性和提高眼跳之间的敏感性，但尚无研究建立神经和行为变化之间的直接因果关系。
