| Dementia syndrome | Atrophy pattern |
| Alzheimer dementia | Temporal (including hippocampal), parietal atrophy, sparing sensorimotor strip and occiput |
| Behavioral variant frontotemporal dementia | Prefrontal, anterior temporal |
| Huntington disease | Head of the caudate |
| Nonfluent variant primary progressive aphasia | Dominant perisylvian |
| Posterior cortical atrophy | Bilateral superior parietal-occipital junction |
| Progressive supranuclear palsy | Diminished midbrain anteroposterior diameter |
| Semantic variant primary progressive aphasia | Anterior inferior temporal lobes |
