What does o’brien say is wrong with winston ?

O’brien tells Wintson that he is mentally deranged. He says that Winston suffers from a defective memory and is unable to remember real events, and he persuades himself that that he remembers other events which never happened.

https://hwildeman95.wordpress.com/2013/04/24/1984-part-3-chapter-12/

the correct answer is the name of the author of the quotation appears at the text leading up to it   apex 2018