Barlow R B, Lange G D
J Gen Physiol. 1974 May;63(5):579-89. doi: 10.1085/jgp.63.5.579.
Receptor units in the eye of the horseshoe crab are more sensitive to lateral inhibition at some levels of excitation than they are at others. As a result, the steady-state inhibition of the response of a given unit is not directly proportional to the response levels of neighboring units. This effect may be represented by the introduction of a nonlinearity in the Hartline-Ratliff system of equations. The nonlinear inhibitory effect appears to increase the operating range of the receptor units.
鲎眼中的感受器单元在某些兴奋水平下比在其他兴奋水平下对侧向抑制更敏感。因此,给定单元反应的稳态抑制与相邻单元的反应水平并非直接成比例。这种效应可以通过在哈特林 - 拉特利夫方程组中引入非线性来表示。非线性抑制效应似乎增加了感受器单元的工作范围。