Altered Fractional Amplitude of Low-Frequency Fluctuation in Anxious Parkinson’s Disease [PDF]
Brain Sciences, 2023 Objective: Anxiety symptoms are persistent in Parkinson’s disease (PD), but the underlying neural substrates are still unclear. In the current study, we aimed to explore the underlying neural mechanisms in PD patients with anxiety symptoms.
Peiyao Zhang +7 more
doaj +4 more sources
Machine learning for detecting Wilson's disease by amplitude of low-frequency fluctuation [PDF]
Heliyon, 2023 Wilson's disease (WD) is a genetic disorder with the A7P7B gene mutations. It is difficult to diagnose in clinic. The purpose of this study was to confirm whether amplitude of low-frequency fluctuations (ALFF) is one of the potential biomarkers for the ...
Bing Zhang +3 more
doaj +4 more sources
Increased Dynamic Amplitude of Low Frequency Fluctuation in Primary Insomnia [PDF]
Frontiers in Neurology, 2020 The physiological mechanism underlying primary insomnia (PI) is poorly understood. Resting-state functional magnetic resonance imaging (fMRI) has emerged as a powerful tool to explore PI.
Xianyun Meng +10 more
doaj +5 more sources
Amplitude of Low-Frequency Fluctuation to Determine Disturbed Spontaneous Brain-Activity Pattern in Patients with Diabetic Optic Neuropathy [PDF]
Diabetes, Metabolic Syndrome and Obesity, 2023 Xiao-Yu Wang,1– 3,* San-Hua Xu,3,* Hong Wei,3,* Min Kang,3 Jie Zou,3 Qian Ling,3 Hui Huang,3 Xu Chen,4 Yi-Xin Wang,5 Yi Shao,3 Yao Yu1 1Department of Endocrinology and Metabolism, The First Affiliated Hospital of Nanchang University, Jiangxi ...
Wang XY +10 more
doaj +2 more sources
Amplitude of low-frequency fluctuation-based regional radiomics similarity network: Biomarker for Parkinson’s disease [PDF]
Heliyon, 2023 Parkinson’s disease (PD) is a highly heterogeneous disorder that is difficult to diagnose. Therefore, reliable biomarkers are needed. We implemented a method constructing a regional radiomics similarity network (R2SN) based on the amplitude of low ...
Dafa Shi +9 more
doaj +2 more sources
Frontiers in Human Neuroscience, 2022 BackgroundCognitive impairment (CI) is a common complication of end-stage renal disease (ESRD). Many resting-state functional magnetic resonance imaging (rs-fMRI) studies have identified abnormal spontaneous low-frequency brain activity in ESRD dialysis ...
Huiling Cao +6 more
doaj +3 more sources
The amplitude of low-frequency fluctuation characteristics in depressed adolescents with suicide attempts: a resting-state fMRI study [PDF]
Frontiers in Psychiatry, 2023 BackgroundThe amplitude of low-frequency fluctuation (ALFF) is a measure of spontaneous brain activity derived from resting-state functional magnetic resonance imaging (rs-fMRI). Previous research has suggested that abnormal ALFF values may be associated
Changchun Hu +7 more
doaj +2 more sources
Altered Fractional Amplitude of Low-Frequency Fluctuation in Major Depressive Disorder and Bipolar Disorder [PDF]
Frontiers in Psychiatry, 2021 Background: Discriminating between major depressive disorder (MDD) and bipolar disorder (BD) remains challenging and cognitive deficits in MDD and BD are generally recognized.
Yan Qiu +13 more
doaj +2 more sources
Amplitude of low frequency fluctuation abnormalities in adolescents with online gaming addiction.
PLoS ONE, 2013 The majority of previous neuroimaging studies have demonstrated both structural and task-related functional abnormalities in adolescents with online gaming addiction (OGA).
Kai Yuan +13 more
doaj +4 more sources
The amplitude of low frequency fluctuation and spontaneous brain activity alterations in age-related macular degeneration [PDF]
Frontiers in MedicineBackgroundWet age-related macular degeneration (wAMD) is a vision-threatening eye disease worldwide. The amplitude of low-frequency fluctuation (ALFF) method was used to observe changes in spontaneous brain activity, which may help to investigate the ...
Yan Yan Zhang +10 more
doaj +2 more sources