ArticleJournal of psychiatry & neuroscience : JPN
Functional connectivity gradients and neurotransmitter maps among patients with mild cognitive impairment and depression symptoms.
Article in Journal of psychiatry & neuroscience : JPN. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Correspondence of Basal Forebrain Resting-State Functional Connectivity and Cerebral Glucose Metabolism Alterations With Neurotransmitter Maps in Alzheimer's Disease.CNS neuroscience & therapeutics · 2026Article
- Motor-related reorganization in left inferior frontal gyrus after subcortical stroke: neurochemical basis and response to targeted neuromodulation.BMC medicine · 2026Article
- Cortical gradient compression links cognition and transcriptomic signatures in primary angle-closure glaucoma.Communications biology · 2026Article
- Functional gradient variations in different neuroticism levels and its correlation with cell type-specific transcriptional signatures.Social cognitive and affective neuroscience · 2026Article
- Altered neurovascular coupling and associated neurotransmitter profiles in inflammatory bowel disease with distinct depressive symptoms.Journal of neuroinflammation · 2026Article
- Connectome Gradient-Based Subtyping of Major Depressive Disorder Reveals Distinct Neurobiological and Transcriptomic Signatures.Depression and anxiety · 2026Article
- Glucose metabolism alterations and Aβ deposition in AD and FTD are related to the distribution of neurotransmitter systems.European journal of nuclear medicine and molecular imaging · 2026Article
- Study on the effects of exercise intervention combined with virtual reality technology on emotions and brain networks in secondary school students with depressive symptoms.Frontiers in psychiatry · 2025Article
- Associations between neuronavigated rTMS-mediated functional connectome plasticity and neurotransmitter receptors in Alzheimer's disease.Alzheimer's & dementia (New York, N. Y.)Article
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10 authors.
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Abstract
backgroundBoth depressive symptoms and neurotransmitter changes affect the characteristics of functional brain networks in clinical patients. We sought to explore how brain functional grading is organized among patients with mild cognitive impairment and depressive symptoms (D-MCI) and whether changes in brain organization are related to neurotransmitter distribution.
methodsUsing 3 T magnetic resonance imaging (MRI) we acquired functional MRI (fMRI) data from patients with D-MCI, patients with mild cognitive impairment without depression (nD-MCI), and healthy controls. We used resting-state fMRI and diffusion embedding to examine the pattern of functional connectivity gradients. We used analysis of covariance and post hoc
resultsWe included 105 participants, including 31 patients with D-MCI, 40 patients with nD-MCI, and 34 healthy controls. Compared with healthy controls, both the nD-MCI and D-MCI groups showed abnormalities in the principal unimodal-transmodal gradient pattern. Compared with controls, the D-MCI group showed an increased secondary gradient in the default mode network. Differences in the functional connectivity gradients between the D-MCI and nD-MCI groups were significantly correlated with the distribution of 5-hydroxytryptamine receptor subtype 1A. LIMITATIONS: The small sample size affects the generalizability of the results, and the neurotransmitter template is based on healthy participants, not patients.
conclusionOur results suggest that depressive symptoms cause abnormalities in the hierarchical segregation of functional brain organization among patients with MCI. Such abnormal changes may be related to the distribution of neurotransmitters.
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