Trick G L, Wintermeyer D H
Invest Ophthalmol Vis Sci. 1982 Dec;23(6):774-9.
Pattern-reversal retinal potentials (PRRPs) are electrical signals generated within the human retina, possibly by the retinal ganglion cells, when a phase-alternating checkerboard pattern (or grating) is viewed. This study systematically examined the effects of varying the spatial and/or temporal frequency of the stimulus pattern on the resulting PRRP. A significant variation in PRRP amplitude, which was dependent on both the spatial and temporal frequency of the stimulus, was observed. Optimum response amplitude was obtained with a low spatial frequency (0.250 cy/deg) at intermediate temporal frequencies (3.75 or 7.50 Hz). A linear regression, fit to the average PRRP amplitude vs. spatial frequency data for either the 1.88 or 3.75 Hz conditions, appears to predict average subjective visual acuity.
模式翻转视网膜电位（PRRP）是当观察相位交替的棋盘格图案（或光栅）时，可能由视网膜神经节细胞在人视网膜内产生的电信号。本研究系统地研究了改变刺激图案的空间和/或时间频率对所产生的PRRP的影响。观察到PRRP振幅有显著变化，这取决于刺激的空间和时间频率。在中间时间频率（3.75或7.50Hz）下，以低空间频率（0.250周/度）可获得最佳反应振幅。对1.88或3.75Hz条件下的平均PRRP振幅与空间频率数据进行线性回归，似乎可以预测平均主观视力。
