Items included in the organic brain syndrome scale (OBS)
| (1) Doesn't know his age |
| (2) Doesn't know the year of his birth |
| (3) Doesn't know the number of years in neighbourhood |
| (4) Doesn't know his address |
| (5) Doesn't know the rater's name, first try |
| (6) Can't recall the President's/Prime Minister's name, current or previous |
| (7) Doesn't know the month |
| (8) Doesn't know the year |
| (9) Doesn't know the rater's name, second try |
| (10) Failed knee-hand-ear test |