Non-Alzheimer's Disease Dementias: Anatomic, Clinical, and Molecular Correlates
Bibliographic record
Abstract
OBJECTIVE: To review the clinical and molecular features of non-Alzheimer's disease (non-AD) dementias, focusing on disorders associated with tau pathology (that is, frontotemporal lobar degeneration [FTLD], corticobasal ganglionic degeneration [CBD], and progressive supranuclear palsy [PSP]) or on disorders with synuclein pathology (that is, dementia with Lewy bodies [DLB] and multisystem atrophy [MSA]). We also discuss the pharmacologic treatment of these disorders. METHODS: We report a selective review of the literature on FTLD, CBD, PSP, DLB, and MSA. RESULTS: The non-AD dementias can present with a wide variety of cognitive and behavioural symptoms. Through common clinical features and shared molecular etiologies, neurodegenerative disorders previously thought to be distinct are now classified into tauopathies and synucleinopathies. CONCLUSIONS: The unique cognitive and behavioural manifestations of the non-AD dementias can be mistaken for psychiatric disorders. Improved detection of tauopathies and synucleinopathies and their differentiation from AD is possible.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.001 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.002 | 0.003 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.001 | 0.000 |
| Insufficient payload (model declined to judge) | 0.002 | 0.001 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".