From: Progression of logopenic variant primary progressive aphasia to apraxia and semantic memory deficits
Case 1 | Case 2 | Case 3 | |
---|---|---|---|
Age at onset, years/gender | 56/F | 53/M | 51/M |
Education (years) | 16 | 12 | 12 |
Years of follow-up | 9 | 7 | 10 |
Clinical Dementia Rating total (0–3) for the first 2 years | 0.5 | 0.5 | 0.5 |
Forward digit span | 3 | 2 | 3 |
Backward digit span | None | None | 2 |
Non-word repetition | Word-length effect | Word-length effect | None |
Apraxia of speech | Not found | Not found | Not found |
Dysarthria | Not found | Not found | Not found |
Phonological paraphasias | Occasional | Frequent | Frequent |
Confrontation naming in SLTA, % correct | 65 | 40 | 35 |
Word repetition in SLTA, % correct | 100 | 80 (due to paraphasia) | 80 (due to paraphasia) |
Sentence repetition in SLTA, % correct | 20 | 20 | 0 |
Auditory single-word comprehension in SLTA, % correct | 100 | 100 | 100 |
Auditory complex sentence comprehension commands in SLTA, % correct | 30 | 0 | 20 |