3861. When their manifest operation into every province of the occiput, or their thundering murmur, ceased, then [the nature of] their operation was shown, to wit, that it extended itself principally over the outermost things of the body, and was determined first to the whole face; that it then drew itself towards the left part of the face, and finally towards the [left] ear, which operation was felt by the influx, as it were, of a very gentle wind, slightly cool, not however, like the feeling of [ordinary] wind. It thus proceeded from the whole face towards the left part of the face, then to the ear, around which it lingered with more manifest sensation. By this was signified what had been the operation of that general or involuntary sense, from the earliest time, and how it advanced, and that at this day it is seated about the left ear. The general natural influx projects itself forth mainly into the face and into the region of the loins. The other parts [of the body] depend more upon the will, or upon the muscles [acting] through the fibers of the cerebrum, but not so with the face, as appears from the fact that not only does the mind, or the affections of man, appear transcribed on the face, but that the affections and cupidities naturally display themselves in the face, without the will of man, as fear, reverence, shame, the various kinds of joy, concerning which it has been said, that such things, and others when they occur, appear in the human face, as it is well known to everyone, that a man may immediately know from the face what are the changes of the mind; this proceeds from the cerebellum acting through its fibers.