In the Sound-Induced Flash Illusion (SIFI) sound dramatically alters visual perception, as presenting a single flash with two beeps results in the perception of two flashes. In this comprehensive review, we synthesise 20 years of research using the SIFI, from over 100 studies. We discuss the neural and computational principles governing this illusion and examine the influence of perceptual experience, development, ageing and clinical conditions. Convergent findings show that the SIFI results from optimal integration and probabilistic inference and directly reflects crossmodal interactions in the temporal domain. Its neural basis lies in early modulation of visual cortex by auditory and multisensory regions. The SIFI shows increasingly strong potential as an efficient tool for measuring multisensory processing. Greater harmonisation across studies is now required to maximise this potential. We therefore propose considerations for researchers relating to choice of stimulus parameters and signpost directions for future research.

在声诱发的幻觉（SIFI）中，声音会极大地改变视觉感知，因为单个闪光两次发出蜂鸣声会导致两次闪光的感知。在这份全面的综述中，我们使用100项研究中的SIFI综合了20年的研究。我们讨论了控制这种错觉的神经和计算原理，并研究了知觉经验，发育，衰老和临床状况的影响。收敛的结果表明，SIFI是由最佳积分和概率推论得出的，并直接反映了时域中的交叉峰相互作用。它的神经基础在于听觉和多感觉区域对视觉皮层的早期调节。SIFI作为测量多传感器处理的有效工具，显示出越来越强的潜力。现在需要跨研究进行更大程度的协调，以最大程度地发挥这种潜力。因此，我们为研究人员提出了有关刺激参数选择和路标方向的建议，以供将来研究之用。