Evidence map›Paper›PMID 34986891›Full record

ReviewAlzheimer's research & therapy2022

Mild behavioral impairment: measurement and clinical correlates of a novel marker of preclinical Alzheimer's disease.

Byron Creese, Zahinoor Ismail

Open access · goldAbstract readReview
In one paragraph

Review in Alzheimer's research & therapy, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 69 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
69citing papers in PubMed, 1 pooled it
15.7field-weighted citation impact, top 1% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

69 citing papers in PubMed, 1 synthesis or guideline pooled it, 109 citations in OpenAlex.

  1. Pooled it
  2. Article
  3. Greater Motor and Nonmotor Burden at Diagnosis Is Associated With Amyloid Copathology in Parkinson's Disease.Movement disorders : official journal of the Movement Disorder Society · 2026
    Article
  4. Article
  5. Review
  6. Article
  7. Article
  8. Article
  9. Article
  10. Characterization of neuropsychiatric symptoms in patients with early-stage Alzheimer's disease in a specialized outpatient clinic.Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology · 2026
    Observational
  11. Aberrant Medial Prefrontal Cortex Activity and Flexible Behavior in the TgF344-AD Rat Model of Alzheimer's Disease.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2026
    Article
  12. Article
  13. Article
  14. Article
  15. Review
  16. Mild Behavioral Impairment: A Population-Based Study.The Journal of neuropsychiatry and clinical neurosciences · 2026
    Article
  17. Article
  18. Article
  19. Article
  20. Article

9 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

2 authors at 2 institutions in 2 countries.

Byron CreeseMedical School, College of Medicine and Health, University of Exeter, Exeter, UK. b.creese@exeter.ac.uk.ORCID 0000-0001-6490-6037
Zahinoor IsmailDepartments of Psychiatry, Clinical Neurosciences, Community Health Sciences, and Pathology, Hotchkiss Brain Institute, University of Calgary, Calgary, Alberta, Canada.
University of Calgary · CAUniversity of Exeter · GB

Funding

CIHR BCA399583
6 · The paper itself

Abstract

backgroundLate-life onset neuropsychiatric symptoms are established risk factors for dementia. The mild behavioral impairment (MBI) diagnostic framework was designed to standardize assessment to determine dementia risk better. In this Mini Review, we summarize the emerging clinical and biomarker evidence, which suggests that for some, MBI is a marker of preclinical Alzheimer's disease. MAIN: MBI is generally more common in those with greater cognitive impairment. In community and clinical samples, frequency is around 10-15%. Mounting evidence in cognitively normal samples links MBI symptoms with known AD biomarkers for amyloid, tau, and neurodegeneration, as well as AD risk genes. Clinical studies have found detectable differences in cognition associated with MBI in cognitively unimpaired people.

conclusionThe emerging evidence from biomarker and clinical studies suggests MBI can be an early manifestation of underlying neurodegenerative disease. Future research must now further validate MBI to improve identification of those at the very earliest stages of disease.

Indexed as

Alzheimer DiseaseCognitive DysfunctionNeurodegenerative DiseasesBiomarkersCognitionHumansBiomarkersBiomarkersCognitionMild behavioral impairmentNeuropsychiatric symptomsPreclinical AD

Identifiers

PMID34986891
PMCPMC8734161
OpenAlexW4206343614

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.