Sentence:  I am not aware of great attention by any of these authors or by the psychotherapeutic profession to the role of literary study in the development of conscience - most of their attention is to a <WSD>pre-literate</WSD> period of life , or , for the theologians of course , to the influence of religion . 
Meaning of the word marked with <WSD> tags:  used of a society that has not developed writing