An investigation into the matter revealed that Keller may have experienced a case of cryptomnesia, which was that she had Canby's story read to her but forgot about it, while the memory remained in her subconscious.
Sebuah investigasi atas masalah tersebut mengungkapkan bahwa Keller mungkin telah mengalami kasus cryptomnesia, dimana ia memiliki cerita Canby yang dibacakan untuknya tapi lupa tentang hal itu, sedangkan memori tetap berada di bawah sadarnya.