Demographic, clinical, neuropsychological (ACE-R, FAB and PPT) and diagnosis for each participant with semantic dementia and for the group of 12 controls
| Case number | Demographics | Symptom duration | Presenting clinical features | ACE-R | FAB | PPT | Diagnosis |
| L1 | 71, male, left-handed, 15 years of education | 8 years | Anomia Impaired single-word comprehension Surface dyslexia Obsessional behaviour | 43 | 11 | 25 | svPPA |
| L2 | 69, male, right-handed, 9 years of education | 7 years | Anomia Impaired single-word comprehension Surface dyslexia Inability to use previously familiar tools | 9 | 3 | 0 | svPPA |
| R3 | 59, male, right-handed, 14 years of education | 6 years | Rigid obsessional behaviour Reduced empathy Prosopagnosia Anomia Impaired single-word comprehension Surface dyslexia | 79 | 15 | 48 | R-SD |
| R4 | 68, male, right-handed, 16 years of education | 5 years | Rigid obsessional behaviour Reduced empathy Prosopagnosia Anomia Impaired single-word comprehension Surface dyslexia | 77 | 11 | 28 | R-SD |
| L5 | 64, female, right-handed, 14 years of education | 4 years | Anomia Impaired single-word comprehension Surface dyslexia Prosopagnosia Concrete thinking | 72 | 16 | 44 | svPPA |
| L6 | 66, male, left-handed, 17 years of education | 4 years | Anomia Impaired single-word comprehension Surface dyslexia Withdrawn behaviour Prosopagnosia | 71 | 18 | 48 | svPPA |
| L7 | 64, male, right-handed, 13 years of education | 6 years | Anomia Impaired single-word comprehension Surface dyslexia Mild prosopagnosia | 68 | 15 | 47 | svPPA |
| Twelve controls | Age: 65.5 (range 55–74, SD 7.1) Sex: 6:6 Education years: 15.8 (range 11–19, SD 2.1) | NA | NA | 95.3 (range 89–99, SD 3.2) | – | – | – |
ACE-R, Addenbrooke’s Cognitive Examination—Revised; FAB, Frontal Assessment Battery; PPT, Pyramids and Palm Trees; R-SD, right semantic dementia; svPPA, semantic variant of primary progressive aphasia.