Two things I would change: 1. The latency selector should be plain numbers, to avoid coloring the perception by the emotional terms used 2. Currently the lett

Two things I would change: 1. The latency selector should be plain numbers, to avoid coloring the perception by the emotional terms used 2. Currently the letters appear with a delay, but the cursor advances immediately (could be my browser) - there is instant visual feedback, which probably reduces perceived latency