I appreciate your input and the distinction between the two. Still, she seems to have little trouble remembering concepts, which is an overall advantage in life. Memorization techniques such as mnemonic devices exist, of course, for the general population of people that have trouble remembering exact phrases or formulas. In most cases, I would say that memorization is a prerequisite to understanding.Images and conceptual apprehension are different things. A photographic memory would be nice, but not in place of understanding what was said and written in the material studied, and then remembering the meaning. If the translation of page 136 is accurate, then she's not claiming an eidetic memory; she just gets things on the first pass and then doesn't forget them.