Valberg A, Lee B B, Tigwell D A, Creutzfeldt O D
Exp Brain Res. 1985;58(3):604-8. doi: 10.1007/BF00235876.
Steadily illuminated surrounds, remote from the receptive field centre, are shown to affect the responses of primate visual cells. Intensity-response curves of cells of the macaque lateral geniculate nucleus were measured using a successive contrast paradigm where chromatic or achromatic stimuli were presented in alternation with a white adaptation field of constant luminance. Adding white surround annuli around stimuli and adaptation field shifted the intensity-response curves to higher intensity ranges. Since response curves can be nonmonotonic, this remote surround effect can result in an increase or decrease in responsiveness (facilitation or suppression) dependent on stimulus intensity. Steady surrounds, remote from the receptive field centre, thus control cell sensitivity and responses by means of simultaneous contrast.
远离感受野中心的持续照明周边区域被证明会影响灵长类动物视觉细胞的反应。使用连续对比范式测量猕猴外侧膝状核细胞的强度-反应曲线，其中彩色或非彩色刺激与恒定亮度的白色适应场交替呈现。在刺激和适应场周围添加白色环绕环会将强度-反应曲线转移到更高的强度范围。由于反应曲线可能是非单调的，这种远距离周边效应可能会导致反应性增加或减少（促进或抑制），这取决于刺激强度。因此，远离感受野中心的稳定周边区域通过同时对比来控制细胞的敏感性和反应。
