Huntington’s disease cognitive functional rating scale (HD-CFRS)

		Score
1	Do you have difficulties performing two tasks at the same time? (such as chatting while walking, or listening to someone while doing something else)	0	1	2	8
2	Do you have difficulties concentrating or paying attention? (e.g., following the plot of a movie or a book, or the thread of a conversation)	0	1	2	8
3	Do you have difficulties organizing what you have to do throughout the day? (and at the end of the day you have not done all the things you intended to)	0	1	2	8
4	Do you have difficulties planning or organizing your vacations or get-togethers with your family or friends?	0	1	2	8
5	Do you have difficulties controlling your correspondence, doctor visits, or times when to take medication, etc.?	0	1	2	8
6	Do you have trouble solving unforeseen or unexpected problems?	0	1	2	8
7	Do you have a hard time explaining what you want to say?	0	1	2	8
8	Do you have difficulties understanding what you read: books, magazines, newspapers?	0	1	2	8
9	Do you have a hard time remembering what day it is?	0	1	2	8
10	Do you have difficulties using public transport because it is difficult for you to understand which line to take?	0	1	2	8
11	Do you have difficulties finding your way in unfamiliar places?	0	1	2	8
12	Do you have a hard time remembering the things you have to do?	0	1	2	8
0: Never or almost never 1: Some of the time 2: Most of the time 8: Subject has never done the activity in the past		Total score: ___ (0–24)