SynthesisFrontiers in aging neuroscience2022
Phototherapy for Cognitive Function in Patients With Dementia: A Systematic Review and Meta-Analysis.
Synthesis in Frontiers in aging neuroscience, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT07224607 (A Longitudinal Study Investigating the Effects of Photobiomodulation), which is not on this map. Cited by 16 papers, 2 of them syntheses that pooled 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.
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.
A Longitudinal Study Investigating the Effects of Photobiomodulation (PBM) on Cognitive Function and Alzheimer's Disease (AD)-Related Biomarkers in Individuals With Mild Cognitive Impairment (MCI) or Dementia Due to AD
Who cites it
16 citing papers in PubMed, 2 syntheses or guidelines pooled it, 18 citations in OpenAlex.
- Effectiveness of photobiomodulation for people with age-related cognitive impairment: a systematic review and meta-analysis.Lasers in medical science · 2023Pooled it
- Effectiveness of non-pharmacological therapies on cognitive function in patients with dementia-A network meta-analysis of randomized controlled trials.Frontiers in aging neuroscience · 2023Pooled it
- Comparative efficacy and safety of photobiomodulation, transcranial direct current stimulation, and repetitive transcranial magnetic stimulation in Alzheimer's disease: a network meta-analysis of randomized controlled trials.Lasers in medical science · 2026Article
- High intensity 40 Hz flicker improves amyloid pathology and cognition with autophagy in 3xTg mice.iScience · 2026Article
- Cellular- and systems-level profiling of amyloid-beta effects on circadian timing.Neurobiology of disease · 2026Article
- Cellular- and systems-level profiling of amyloid-beta effects on circadian timing.bioRxiv : the preprint server for biology · 2025Article
- Associations between circadian alignment and cognitive functioning in a nationally representative sample of older adults.Scientific reports · 2024Article
- From functional neuroimaging to neurostimulation: fNIRS devices as cognitive enhancers.Behavior research methods · 2024Article
- Associations of 24-Hour Light Exposure and Activity Patterns and Risk of Cognitive Impairment and Decline in Older Men: The MrOS Sleep Study.The journals of gerontology. Series A, Biological sciences and medical sciences · 2023Article
- Cognitive Impairment in Multiple Sclerosis.Bioengineering (Basel, Switzerland) · 2023Review
- Cellular Metabolism: A Fundamental Component of Degeneration in the Nervous System.Biomolecules · 2023Review
- Advances in photobiomodulation for cognitive improvement by near-infrared derived multiple strategies.Journal of translational medicine · 2023Review
- Energy Conversion and Transfer in the Luminescence of CeScMaterials (Basel, Switzerland) · 2023Article
- The Metabolic Basis for Nervous System Dysfunction in Alzheimer's Disease, Parkinson's Disease, and Huntington's Disease.Current neurovascular research · 2023Article
- The impact of aging and oxidative stress in metabolic and nervous system disorders: programmed cell death and molecular signal transduction crosstalk.Frontiers in immunology · 2023Review
- Research progress on the neural mechanism of light therapy improving cognitive function in depression: from retinal projections to neuroplasticity.Frontiers in neurologyReview
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
10 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Background: Dementia is a major health burden worldwide. As numerous pharmacological trials for dementia have failed, emerging phototherapy studies have evaluated the efficacy of alternative therapies for cognition. Objective: The objective of this study was to evaluate the association between phototherapy and changes in cognitive deficits in patients with dementia. Methods: PubMed, Embase, Web of Science, PsycINFO, CINAHL, and Cochrane Central Register of Controlled Trials were searched from inception to 27 March 2022. Inclusion criteria were controlled clinical trials of phototherapy interventions reporting pre-post changes in global cognitive function and subdomains in patients with dementia. Data were extracted by two independent reviewers and pooled in random-effects models. Subgroup and meta-regression analyses were conducted to investigate the sources of heterogeneity. Results: Our analyses included 13 studies enrolling a total of 608 participants. Phototherapy showed significant associations with improvements of global cognitive function (standardized mean difference [SMD], 0.63; 95% confidence interval [CI], 0.33-0.94; Conclusion: In this meta-analysis, phototherapy interventions were associated with cognitive improvement in patients with dementia. NIR LEDs and lasers had advantages over normal visible light. Domain-specific effects were indicated for attention, executive function, and working memory. Short-term improvement after phototherapy was supported, while evidence for long-term benefits was lacking. Stronger evidence for individualized parameters, such as optimal dosing, is needed in the future. Systematic Review Registration: [https://www.crd.york.ac.uk/prospero/display_record.php?RecordID=267596], identifier [CRD42021267596].
Indexed as
Identifiers
What Socratic holds
Registered trials
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 Socratic graph.