ArticleFrontiers in neuroscience2023
Decreased GABA levels of the anterior and posterior cingulate cortex are associated with executive dysfunction in mild cognitive impairment.
Article in Frontiers in neuroscience, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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Who cites it
15 citing papers in PubMed, 25 citations in OpenAlex.
- Evaluation of GABAergic and Glutamatergic Levels in the Dorsal Anterior Cingulate Cortex of Patients With Bipolar Disorder: A Cross-SectionalNeuropsychopharmacology reports · 2026Article
- Excitation-inhibition homeostasis in Alzheimer's disease: a selective multiscale review of mechanisms, sex differences, and therapeutic opportunities.Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology · 2026Review
- Sleep-dependent alterations in anterior cingulate cortex excitation-inhibition balance link alterations in BOLD-CSF coupling to cognitive performance in obstructive sleep apnea.Frontiers in aging neuroscience · 2026Article
- Changes in the cortical GABAergic inhibitory system with ageing and ageing-related neurodegenerative diseases.The Journal of physiology · 2026Review
- Integrative genome-scale metabolic model of GABAergic neurons reveals metabolic signatures across the mild cognitive impairment - Alzheimer disease continuum.Frontiers in systems biology · 2026Article
- GABA outperforms iron and neuromelanin in detecting nigrostriatal alterations in early-stage Parkinson's disease with RBD.NPJ Parkinson's disease · 2025Article
- GABA Levels Are Significantly Reduced in the Visual, Motor, and Auditory Cortex of Patients with Mild Cognitive Impairment.Aging and disease · 2025Article
- Decoupling of Neurochemical and White Matter Microstructural Integrity in Posterior Cingulate Cortex Predicts Early Alzheimer's Disease Progression.Neurochemical research · 2025Article
- Coenzyme Q10 alleviates AlClToxicology research · 2025Article
- Morphometric Measurement of Mean Cortical Curvature: Analysis of Alterations in Cognitive Impairment.Medicina (Kaunas, Lithuania) · 2025Article
- Metabolic Profiling of Brain Tissue and Brain-Derived Extracellular Vesicles in Alzheimer's Disease.Journal of extracellular vesicles · 2025Article
- Multiparametric Chemical Exchange Saturation Transfer MRI Detects Metabolic Changes in Mild Cognitive Impairment Cases at 3.0 Tesla.Neurochemical research · 2024Article
- Neurometabolic alterations in children and adolescents with functional neurological disorder.NeuroImage. Clinical · 2024Article
- Brain topology underlying executive functions across the lifespan: focus on the default mode network.Frontiers in psychology · 2024Article
- Peripheral inflammation and neurocognitive impairment: correlations, underlying mechanisms, and therapeutic implications.Frontiers in aging neuroscience · 2023Review
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Authors and funding
12 authors at 4 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Background and purpose: Executive function impairment, a slight but noticeable cognitive deficit in mild cognitive impairment (MCI) patients, is influenced by gamma-aminobutyric acid (GABA) levels. Reduced cognitive function is accompanied by thinning of the cerebral cortex, which has higher GABA levels than white matter. However, the relationships among GABA levels, cortical thickness, and executive function in MCI patients have not yet been elucidated. We investigated the relationships among GABA levels, cortical thickness, and executive function in MCI patients. Methods: In this study, a total of 36 MCI patients and 36 sex-, age-, and education-matched healthy controls (HC) were recruited. But 33 MCI patients and 35 HC were included because of head motion or poor data quality for three MCI patients and one HC. The levels of gamma-aminobutyric acid plus relative to creatine (GABA+/Cr) and glutamate-glutamine relative to creatine (Glx/Cr) in the anterior cingulate cortex (ACC) and posterior cingulate cortex (PCC) were measured using the Meshcher-Garwood point resolved spectroscopy (MEGA-PRESS) sequence. Metabolite ratios, cortical thickness, and executive function and their interrelationships were determined in the MCI and HC groups. Results: Patients with MCI showed lower GABA+/Cr levels in the ACC and PCC. Combined levels of GABA+ and Glx in the ACC and GABA+ in the PCC showed good diagnostic efficacy for MCI (AUC: 0.82). But no differences in cortical thickness were found between the two groups. In the MCI group, lower GABA+/Cr level was correlated to worse performance on the digit span test backward, and the shape trail test-B. The cortical thickness was not associated with GABA+ levels and executive function in patients. Conclusion: These results implied that decreased GABA levels in the ACC and PCC had a critical role in the early diagnosis of impaired executive function of MCI. Therefore, GABA in the ACC and PCC could be a potential diagnostic marker of the executive function decline of MCI.
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