Dictionary.com
definitions

Korsakoffian

adjective
  1. relating to or suffering from Korsakoff's psychosis
noun
  1. a person suffering from Korsakoff's psychosis
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012