What does the length of reflex arc mean?

The reflex arc is too long, a network term, a person's shape responds to a slow humorous term. Reflex arc is a specific nerve structure of human body, that is, the nerve chain that receives external information and reacts. Because information takes time on reflex arc nerve cells, some people tease: the longer the reflex arc, the longer the reaction time of people.

Representatives of animals with long reflex arcs: sloths, real sloths, make three rounds of reflex arcs around the earth.

For example, A tells a joke, B laughs at once, and C 10 minutes reacts to laugh. At this time, he can ridicule himself that the reflex arc is too long! A person with a long reflex arc, a person you know later, you can regard him as a person who is not smart and keen enough, or as a "rare" lively and free person. A person who is sensitive and calmly aware of key signals and information and makes a fruitful response is extremely agile.

Are people with long reflex arcs stupid?

It's not a bad brain, just a little dull. Maybe both cognition and action are slow, so this is what we often say that the universal reflex arc is a bit long. You can react for a long time after things come out.