Percent amplitude of fluctuation: A simple measure for resting-state fMRI signal at single voxel level
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DOI: 10.1371/journal.pone.0227021
Abstract: The amplitude of low-frequency fluctuation (ALFF) measures resting-state functional magnetic resonance imaging (RS-fMRI) signal of each voxel. However, the unit of blood oxygenation level-dependent (BOLD) signal is arbitrary and hence ALFF is sensitive to the… read more here.
Keywords: fmri signal; voxel; signal; fluctuation ... See more keywords
Alcohol-induced brain deficit in alcohol dependence
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DOI: 10.3389/fneur.2022.1036164
Abstract: Although numerous adverse effects of alcohol addiction on health, behavior, and brain function were widely reported, the neurobiological mechanism of alcohol dependence remains largely unknown. In this study, a total of twenty-nine patients with alcohol… read more here.
Keywords: dependence; peraf; brain; alcohol induced ... See more keywords
Altered Spontaneous Brain Activity in Betel Quid Dependence Chewers: A Resting-State Functional MRI Study With Percent Amplitude of Fluctuation
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DOI: 10.3389/fpsyt.2022.830541
Abstract: Objective This study aimed to investigate brain spontaneous neural activity changes in betel quid dependence (BQD) chewers using the percent amplitude of fluctuation (PerAF) method. Methods This study included 48 BQD chewers. The healthy control… read more here.
Keywords: bqd chewers; peraf; brain; activity ... See more keywords
Altered Intrinsic Brain Activity in Patients With Late-Life Depression: A Resting-State Functional MRI Study
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DOI: 10.3389/fpsyt.2022.894646
Abstract: Objectives To investigate the altered intrinsic brain activity (IBA) in patients suffering from late-life depression (LLD) using a percent amplitude of fluctuation (PerAF) method. Methods In total, fifty patients with LLD and 40 non-depressed controls… read more here.
Keywords: rbans test; peraf; brain; peraf method ... See more keywords