For me it's noticeable down to around 20ms, although of course it becomes less noticeable the lower you go. Surely the existence of high FPS screens is clear ev

For me it's noticeable down to around 20ms, although of course it becomes less noticeable the lower you go. Surely the existence of high FPS screens is clear evidence that humans can see latency spikes? 60 FPS is ~16ms. 120 FPS is ~8ms.