Results 1 to 10 of about 173,678,394 (266)

Altered Fractional Amplitude of Low-Frequency Fluctuation in Anxious Parkinson’s Disease [PDF]

open access: yesBrain 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   +7 more sources

Abnormalities in the Fractional Amplitude of Low-Frequency Fluctuation and Functional Connectivity in Parkinson's Disease With Excessive Daytime Sleepiness [PDF]

open access: yesFrontiers in Aging Neuroscience, 2022
BackgroundExcessive daytime sleepiness (EDS) is one of the most important non-motor symptoms of Parkinson's disease (PD), and its neuropathologic basis is still unclear.ObjectiveThis study investigated the changes of neuronal activity in PD patients with
Yuheng Zi   +17 more
doaj   +6 more sources

Altered patterns of fractional amplitude of low-frequency fluctuation and regional homogeneity in abstinent methamphetamine-dependent users [PDF]

open access: yesScientific Reports, 2021
Methamphetamine (MA) could induce functional and structural brain alterations in dependent subjects. However, few studies have investigated resting-state activity in methamphetamine-dependent subjects (MADs).
An Xie   +10 more
doaj   +7 more sources

Altered Patterns of the Fractional Amplitude of Low-Frequency Fluctuation in Drug-Naive First-Episode Unipolar and Bipolar Depression [PDF]

open access: yesFrontiers in Psychiatry, 2020
Background: An early and correct diagnosis is crucial for treatment of unipolar depression (UD) and bipolar disorder (BD). The fractional amplitude of low-frequency fluctuations (fALFFs) has been widely used in the study of neuropsychiatric diseases, as ...
Xue Chai   +7 more
doaj   +7 more sources

Altered Fractional Amplitude of Low-Frequency Fluctuation in Major Depressive Disorder and Bipolar Disorder [PDF]

open access: yesFrontiers 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   +5 more sources

Altered fractional amplitude of low-frequency fluctuation in women with premenstrual syndrome via acupuncture at Sanyinjiao (SP6) [PDF]

open access: yesAnnals of General Psychiatry, 2021
Background Premenstrual syndrome (PMS) is a prevalent gynecological disease and is significantly associated with abnormal neural activity. Acupuncture is an effective treatment on PMS in clinical practice.
Gaoxiong Duan   +12 more
doaj   +5 more sources

Characteristics of the Fractional Amplitude of Low-Frequency Fluctuation in Ocular Hypertension Patients: A Resting-State fMRI Study [PDF]

open access: yesFrontiers in Medicine, 2022
BackgroundThe fractional amplitude of low-frequency fluctuation (fALFF) method has been underutilized in research on the pathogenesis and clinical manifestations of ocular hypertension (OH).PurposeThis study uses resting state functional magnetic ...
Ying Liang   +9 more
doaj   +4 more sources

Shared and differential fractional amplitude of low-frequency fluctuation patterns at rest in major depressive disorders with or without sleep disturbance [PDF]

open access: yesFrontiers in Psychology, 2023
ObjectiveSleep disturbances (SD) are commonly found in patients with major depressive disorder (MDD). This study aims to explore the influence of SD symptoms on clinical characteristics in patients with MDD and to investigate the shared and distinct ...
Nanxi Zheng   +7 more
doaj   +2 more sources

Abnormal Fractional Amplitude of Low Frequency Fluctuation Changes in Patients With Dry Eye Disease: A Functional Magnetic Resonance Imaging Study [PDF]

open access: yesFrontiers in Human Neuroscience, 2022
PurposeTo investigate spontaneous brain activity in patients with dry eye (DE) and healthy control (HC) using the fractional amplitude of low frequency fluctuation (fALFF) technique with the aim of elucidating the relationship between the clinical ...
Rong-Bin Liang   +8 more
doaj   +2 more sources

Detection of Abnormal Spontaneous Brain Activity Patterns in Patients With Orbital Fractures Using Fractional Amplitude of Low Frequency Fluctuation [PDF]

open access: yesFrontiers in Neurology, 2022
BackgroundTo date, no in-depth study has been conducted on the intrinsic pathological relationship between altered brain activity and related behavioral changes in patients with orbital fracture (OF).PurposeThe present research aimed to explore the ...
Min Kang   +9 more
doaj   +2 more sources

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