How are reflexes different from the normal path that information would take through the body?

Reflexes don't travel to the brain, but instead go to the spinal chord/brain-stem and are hard-coded into our response system. This is because reflexes need to be instant in order to avoid damage.

If it takes somebody 2 seconds to process that a blue flame is hot, they'll already have third-degree burns.

If the experiment was perfomed more then once and you get the same results