Altocumulus and <span>Altostratus are two types of clouds that are between 20,000 and 6,500 feet in the air.</span>
The answer to this question is artistic.
In John holland's six personality types, artistic refers to the personality that tend to favor beauty and creative process.
This type of person tend to be lacking in practical skills but had a rellly strong point in forming/creating abstract concepts.
I think it is receptors that in this case monitor head position and eyes in any direction or the trailing of the eyes slowly in one direction , following by their rapid.
the answer is all of the above :) hope this helps!!