Results of the cognitive tests before and at diagnosis of the Creutzfeldt-Jakob disease case
| Cognitive test (unit) | Follow-up in 2004 | Follow-up in 2010 |
| Mini-mental state examination (score/total) | 30/30 | 22/30 |
| Letter digit test (score/total) | 25/25 | 20/20 |
| Fluency task (score/total) | 25/25 | 19/21 |
| Purdue Pegboard test right hand | 14 | 10 |
| Purdue Pegboard test left hand | 13 | 11 |
| Purdue Pegboard test both hand pairs | 11 | 9 |
| 15 words learning test trial 1 (no. correct) | 6 | 2 |
| 15 words learning test trial 2 (no. correct) | 6 | 4 |
| 15 words learning test trial 3 (no. correct) | 10 | 6 |
| 15 words learning test trial delayed recall (no. correct) | 7 | 1 |
| 15 words learning test recognition task (no. positive correct) | 15 | 15 |
| Stroop test 1 (time (seconds), failures) | 14.6, 0 | 15.5, 0 |
| Stroop test 2 (time (seconds), failures) | 18.6, 0 | 21.2, 0 |
| Stroop test 3 (time (seconds), failures) | 48.7, 1 | 54.6, 14 |