von Campenhausen C, Schramme J
Institut für Zoologie III, Johannes Gutenberg Universität, Mainz, Germany.
Perception. 1995;24(6):695-717. doi: 10.1068/p240695.
For 100 years Benham's top has been a popular device demonstrating pattern-induced flicker colours (PIFCs). Results of early and recent investigations on PIFCs are reported and show that the phenomenon originates in phase-sensitive lateral interactions of modulated neural activity in the retina followed by additional spatial interactions in the visual cortex behind the locus of binocular fusion. Colour matches with normal colour stimuli indicate that S/(M + L) opponent neurons are involved. Dichromats do not find matching stimuli for all PIFCs. PIFCs may become useful in medical diagnosis. The phenomenon is interpreted as a side effect of a neural mechanism providing colour constancy under normal stimulus conditions.
100年来，贝纳姆陀螺一直是展示图案诱导闪烁颜色（PIFCs）的流行装置。本文报道了对PIFCs的早期和近期研究结果，结果表明，该现象起源于视网膜中调制神经活动的相位敏感横向相互作用，随后在双眼融合位置后方的视觉皮层中发生额外的空间相互作用。与正常颜色刺激的颜色匹配表明，S/（M+L）拮抗神经元参与其中。二色视者无法为所有PIFCs找到匹配的刺激。PIFCs可能在医学诊断中发挥作用。该现象被解释为在正常刺激条件下提供颜色恒常性的神经机制的副作用。
