Two Channels for Flicker in the Human Visual System
Two Channels for Flicker in the Human Visual System
复制标题
人类视觉系统中闪烁的两个通道
作者：
B. Moulden;Judy Renshaw;G. Mather
人类视觉系统包含大量窄调谐的空间频率特定通道。它是否包含一组类似的频道，调谐到一个狭窄的时间频率范围？根据使用阈值提升技术收集的数据，认为人类对闪烁的敏感性可以通过假设存在两个滤波器来解释，一个是低通滤波器，峰值在6 Hz左右，另一个是带通滤波器，峰值在9 Hz左右。从眼间转移研究中收集到的类似数据表明，至少一些相关机制是双眼的，而不是像之前所认为的那样纯粹是单眼的。
The human visual system contains a large number of narrowly-tuned spatial-frequency-specific channels. Does it contain an analogous set of channels tuned to a narrow range of temporal frequency? On the basis of data gathered with the use of a threshold elevation technique it is argued that human sensitivity to flicker can be accounted for by assuming the existence of just two filters, one a low-pass filter peaking gently at around 6 Hz and one a band-pass filter peaking at around 9 Hz. Similar data gathered from studies of interocular transfer suggest that at least some of the mechanisms involved are binocular, rather than being purely monocular as has previously been suggested.