Ashida H, Osaka N
Department of Psychology, Faculty of Letters, Kyoto University, Japan.
Vision Res. 1995 Jul;35(13):1825-33. doi: 10.1016/0042-6989(94)00270-v.
Temporal tuning property of motion aftereffect (MAE) with flickering test stimuli (flicker MAE) was examined. Using sinusoidal gratings of several spatial frequencies (SF), MAE strength was measured for various adapting temporal frequencies (TF). Unlike the traditional MAE with static test field, the results indicated that flicker MAE did not depend on TF. Rather, when plotted as a function of velocity, the peaks had approximately the same adapting velocity of 5-8 deg/sec for all SF conditions tested, suggesting velocity dependence. This is further support of the idea that the two kinds of MAE are of different origin and suggests a higher origin of flicker MAE, perhaps in the area MT or MST.
研究了使用闪烁测试刺激(闪烁运动后效,flicker MAE)时运动后效(MAE)的时间调谐特性。使用几种空间频率(SF)的正弦光栅,测量了各种适应时间频率(TF)下的MAE强度。与传统的静态测试场MAE不同,结果表明闪烁MAE不依赖于TF。相反,当绘制为速度的函数时,对于所有测试的SF条件,峰值具有大约相同的5-8度/秒的适应速度,表明存在速度依赖性。这进一步支持了两种MAE起源不同的观点,并表明闪烁MAE有更高层次的起源,可能在MT或MST区域。