Hippocampal atrophy is not specific for AD but is also seen in semantic dementia. 2 key findings →
Participants: 26 Evidence: low
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31,780 Alzheimer's and dementia studies in plain English, each scored out of 100.
Hippocampal atrophy is not specific for AD but is also seen in semantic dementia. 2 key findings →
Participants: 26 Evidence: low
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Poor performance on free recall from FCSR predicts future dementia. 3 key findings →
Design: longitudinal study Evidence: moderate
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FTD is a malignant disorder with limited life expectancy. 5 key findings →
Participants: 31 Evidence: low
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To improve the specificity and sensitivity of the clinical diagnosis of progressive supranuclear palsy (PSP, Steele-Richardson-Olszewski syndrome), the National Institute of Neurological Disorders and Stroke (NINDS) and the Society for PSP, Inc. (SPSP) sponsored an international workshop to develop an accurate and universally accepted set of criteria for this disorder.
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We detected large numbers of HLA-DR-positive reactive microglia (macrophages), along with Lewy bodies and free melanin, in the substantia nigra of all cases studied with Parkinson's disease (5) and parkinsonism with dementia (PD) (5). 3 key findings →
Evidence: low
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Diagnostic criteria for dementia have improved since the 1994 practice parameter. 5 key findings →
Evidence: low
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We followed 828 nondemented residents of Hisayama Town, Kyushu, Japan, aged 65 years or older (88.3% of the elderly population) for 7 years starting in 1985 in order to determine the type-specific incidence of dementia and its risk factors in the general Japanese population. 2 key findings →
Participants: 103 Evidence: low
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CLBs detected by alpha-synuclein antibodies in patients with PD are a more sensitive and specific correlate of dementia than the presence of Alzheimer's pathology, which was present in a minority of the cases in this series. 1 key finding →
Evidence: low
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We identified optimal staining methods for each of these and devised a protocol for the evaluation of cortical LB frequency based on a brain sampling procedure consistent with CERAD. 5 key findings →
Evidence: low
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The relationship between NFD and Alzheimer-type dementia, and the criteria for a biochemical diagnosis of AD, are documented, and an association between AD and the extent of NFD in defined brain areas is shown. 1 key finding →
Participants: 60 Evidence: low
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The current study suggests that lower Abeta 42 levels reflect neuropathologic processes implicated in amyloid-related pathologies, such as NP and CAA. 3 key findings →
Evidence: low
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Cerebral infarctions independently contribute to the likelihood of dementia but do not interact with AD pathology to increase the likelihood of dementia beyond their additive effect. 2 key findings →
Participants: 153 Evidence: low
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Declining body mass index (BMI) is associated with increased risk of incident Alzheimer disease (AD). 5 key findings →
Participants: 151 Evidence: low
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Clinical management of DLB patients usually centers on the treatment of noncognitive features. 1 key finding →
Evidence: high
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This study suggests that frontal executive deficits are present in half of ALS patients, many of whom meet strict research criteria for FTLD. 2 key findings →
Evidence: moderate
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Frontotemporal lobar degeneration, corticobasal degeneration (CBD), and progressive supranuclear palsy (PSP) have overlapping clinical features. 1 key finding →
Evidence: low
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Accurate diagnosis of vascular dementia is important for the recognition of underlying pathophysiology and the institution of appropriate therapy. 1 key finding →
Evidence: low
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To examine the possibility that senile dementia may be associated with a loss of noradrenergic neurons that innervate the cerebral cortex, we used a Quantimet 720 image analyzer to estimate the number of neurons in the nucleus locus ceruleus in elderly patients with the clinical diagnosis of senile dementia. 1 key finding →
Evidence: low
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We determined whether a battery of neuropsychological tests could predict who would develop Alzheimer's disease (AD) in a group of 123 memory-impaired nondemented patients. 3 key findings →
Evidence: low
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Twenty-one patients with a clinical diagnosis of dementia of the Alzheimer's type (DAT) and 29 healthy, age-matched controls were studied using positron emission tomography (PET) and [18F]2-fluoro-2-deoxy-D-glucose to measure regional cerebral glucose consumption in the resting state. 3 key findings →
Evidence: low
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Patients with left and right predominant SD present with distinct behavioral-cognitive profiles. 3 key findings →
Participants: 36 Evidence: low
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We conducted full diagnostic evaluations, including a comprehensive cognitive assessment battery, of a group of 32 elderly subjects with a clinically identified mild cognitive impairment and a group of 32 age-matched and education-matched normal subjects. 3 key findings →
Evidence: low
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The most proximal brain events associated with the clinical expression of dementia are progressive neuronal dysfunction and loss of neurons in specific regions of the brain. 1 key finding →
Evidence: low
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We compare clinicopathologic data from 10 subjects identified in the very mild stage of senile dementia of the Alzheimer type with findings from similar studies in four cognitively normal subjects. 1 key finding →
Evidence: low
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The Consensus criteria for DLB performed as well in this prospective study as those for AD and VaD, with a diagnostic sensitivity substantially higher than that reported by previous retrospective studies. 3 key findings →
Evidence: moderate
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Free full text links and the Full text may need a subscription label come from Unpaywall, Europe PMC and OpenAlex records of free copies, checked 10 Oct 2026. A study with neither is unknown, not paywalled. Show only studies that are free to read
This is alzhub's own score. It is not an official metric, not an impact factor, and no journal, publisher or ranking body endorses it. We built it so that a reader who is not a scientist can tell a landmark trial from a conference abstract without having to already know the difference. Every point comes from one of 20 components, all of them printed on the study itself, so you can disagree with our arithmetic rather than having to trust the total.
Journals are placed in ordered tiers, never given a numeric impact factor — we could not verify current impact factors from a source we control, and an invented one would be worse than none. Tier 1 is the top-tier general journals (NEJM, The Lancet, JAMA, Nature, Science, Nature Medicine); tier 2 is the leading specialty journals; tier 3 is every other peer-reviewed journal. A separate part scores how much the journal's own papers are cited, which tells the tier-3 journals apart.
Two rules we don't bend. First, we never fill in a missing value: if a record does not state a sample size or a design, that component scores zero, and if we simply have no data for a part, such as a citation count, that part is left out and the study is scored on the parts we could check. The study card says which. Second, anything that is not a peer-reviewed article is capped at 16/100 and carries a warning chip — so a conference abstract or a company press release can never outrank a peer-reviewed paper, no matter how good it looks.
We rank a rigorous null result — a good trial showing that something does not work — above an early positive finding. Someone deciding whether to buy a supplement is served by that, and the rigour is already counted by the design and journal components.
The score is computed from the published data alone and is reproducible: the same file always yields the same numbers.
See the whole rubric drawn out → — four charts covering all 31,780 studies: how the scores are spread and where the cap bites, which of the 20 components the library is strong and weak on, which subjects rest on stronger evidence, and what kinds of study each subject is actually built from.
This is a large sample of the Alzheimer's literature, not an exhaustive index of it. It holds 31,780 records, built mostly from automated pulls of Europe PMC (66% of the library) and OpenAlex (16%), plus smaller pulls from PubMed, Crossref and medRxiv. If a study, a drug, or a finding isn't here, that is not evidence it doesn't exist in the literature — it may simply not have been pulled in yet.
1,052 records (3.3% of the library) are not peer-reviewed — 973 of those are preprints posted before any journal review, and the rest are conference abstracts, regulatory notices and reports. Every study card on this page states its status plainly, and the score above is capped for anything that isn't a peer-reviewed article.
See the full, machine-readable breakdown of this library's coverage →
Newest studies, as a dated timeline → Atom feed Where this research is being discussed: events