I have been living with my husband's brain damage since 2006, half his brain being trashed when the aneurysm burst. He finds simple things much more difficult than complicated ones. He can't remember his address, make a phone call, or send an e-mail, yet he can read and understand instructions and put things together, something at which I am hopeless. He does the most complicated of jigsaws, but the use of a tea towel defeats him!