The same holds for handwriting con-sidered in relation to the history of writing in general. The centuries of manuscript literacy separate primary orality on the one side from print literacy on the other.
This is interesting because I never considered handwriting and printing/typing to be different in the quality they preserve of the non-verbal speech act. I always just thought that handwriting and typing were simply the mediums to communicate internal dialogue/thoughts in an external way. But I think it makes sense how historically these two mediums are viewed separately. Maybe this is why automatic writing (which is handwriting) is considered an expressive exercise and is believed to reveal the unconscious mind.