Memory, in these cases, was tied to emotion and that seems to be the focus of the author's work.

Other threads about memory (photographic memory, eidetic memory):

http://giftedissues.davidsongifted....graphic_and_or_Audiovisua.html#Post92751 (Jan 2011)
and
http://giftedissues.davidsongifted....idetic_memory_experience.html#Post157263 (May 2013)