Appendix 1: Results of cognitive testing: orientation and memory (n=30 ACoA patients)
| Cognitive test/scale | Patients n⩾25%ile/ without impairment (n) | Patients 25%ile>n⩾ 10%ile/ slight impairment (n) | Patients 10%ile>n⩾ 5%ile/ moderate impairment (n) | Patients n<5%ile/ severe impairment (n) |
|---|---|---|---|---|
| Orientation: | ||||
| Questionnaire21 | 24 | 2 | 1 | 3 |
| Memory span/working memory: | ||||
| Digit span22: | ||||
| Forward | 26 | 2 | 1 | 1 |
| Backward | 22 | 4 | 2 | 2 |
| Corsi block tapping test26: | ||||
| Forward | 25 | 3 | 1 | 1 |
| Backward | 21 | 4 | 2 | 3 |
| Word list23 | 22 | 3 | 2 | 3 |
| Reading span24 25 | 16 | 6 | 4 | 4 |
| Short and long term memory: | ||||
| Short story27: | ||||
| Immediate recall | 20 | 4 | 3 | 3 |
| Recall after 48 hours | 18 | 5 | 3 | 4 |
| Long story23: | ||||
| Immediate recall | 19 | 4 | 3 | 4 |
| Recall after 48 hours | 17 | 6 | 3 | 4 |
| Recognition memory test/faces28 | 19 | 5 | 3 | 3 |
| Complex figure test29: | ||||
| Copy | 21 | 4 | 2 | 3 |
| Immediate free recall | 16 | 5 | 5 | 4 |
| Prospective memory: | ||||
| Agreements23 | 17 | 5 | 4 | 4 |
| Remote memory: | ||||
| Autobiographical memory23 | 26 | 2 | 1 | 1 |
| Famous faces (modified)23: | ||||
| Free recall | 24 | 2 | 1 | 3 |
| Cued recall | 26 | 1 | 0 | 3 |
| Implicit memory: | ||||
| Incomplete pictures test30 | 24 | 2 | 1 | 3 |
ACoA=Anterior communicating artery aneurysm.