low-frequency fluctuation
Amplitude of low frequency fluctuation (ALFF) may be associated with cognitive impairment in schizophrenia: a correlation study
... of low-frequency fluctuation (ALFF) [20] is an R-fMRI indicator that is used to detect the regional intensity of spontaneous fluctuations in the BOLD sig- nal, which pinpoints the spontaneous neural ...
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Altered intrinsic brain activities in patients with acute eye pain using amplitude of low-frequency fluctuation: a resting-state fMRI study
... of low-frequency fluctuation (ALFF) method, this study aimed to evaluate the spontaneous brain activity alterations and their relationships with clinical features in acute EP ...
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Original Article Altered intrinsic brain activities in patients with transient ischemic attack using amplitude of low-frequency fluctuation: a resting-state fMRI study
... Abstract: Objective: Various neuroimaging studies reported that transient ischemic attack (TIA) was associated with brain morphology changes, whereas the intrinsic brain activity changes in TIA patients remain unknown. ...
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Original Article Amplitude changes in low frequency fluctuation in brains of primary dysmenorrheal treated by acupuncture: a resting-state fMRI study
... of low frequency fluctuation (ALFF), before and after acupuncture of the points of Sanyinjiao and Diji, with resting-state fMRI (rsfMRI) technology, inves- tigating central analgesic mechanisms of ...
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Cavitation associated low frequency fluctuation
... natural frequency is one of the major characteristics which varies with the wave propaga tion speed, the shape and size of the cloud, and the movement of cloud such as the rotation/swirling of cavitating vortex ...
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Altered spontaneous brain activity pattern in patients with high myopia using amplitude of low-frequency fluctuation: a resting-state fMRI study
... there are only a few studies on the changes of spontaneous brain activity in HM patients at rest. The blood oxygenation level dependent signal changes can reflect the changes in the neuronal and physiological activities ...
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Altered spontaneous brain activity patterns in strabismus with amblyopia patients using amplitude of low-frequency fluctuation: a resting-state fMRI study
... Objective: Previous studies have demonstrated that strabismus or amblyopia can result in markedly brain function and anatomical alterations. However, the differences in spontaneous brain activities of strabismus with ...
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Original Article Alterations of spontaneous brain activity in patients with asthma using amplitude of low-frequency fluctuation: a resting-state fMRI study
... Abstract: Objective: Many previous studies demonstrated that the hypoxia led to the abnormal spontaneous brain activity, whereas the intrinsic brain activity changes in asthma patients remain unknown. The study aimed to ...
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Altered fractional amplitude of low frequency fluctuation associated with cognitive dysfunction in first episode drug naïve major depressive disorder patients
... of low-frequency fluctuation (ALFF) method ...spontaneous low- frequency fluctuations (LFFs) is unclear, LFFs, which arise from neurovascular mechanisms [21], are believed to be ...
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Altered spontaneous brain activity patterns in patients with unilateral acute open globe injury using amplitude of low-frequency fluctuation: a functional magnetic resonance imaging study
... A total of 18 acute OGI patients (16 males and two females, eight injured right eyes or eight injured left eyes) were recruited from the First Affiliated Hospital of South China University and the Ophthalmology ...
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A functional MRI study of altered spontaneous brain activity pattern in patients with congenital comitant strabismus using amplitude of low-frequency fluctuation
... In the congenital comitant strabismus group, the Hospital Anxiety and Depression Scale-depression score showed a negative correlation with the ALFF signal values of the bilateral media[r] ...
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<p>Altered Intrinsic Brain Activities in Patients with Diabetic Retinopathy Using Amplitude of Low-frequency Fluctuation: A Resting-state fMRI Study</p>
... LFO frequency power is present in the cortical region, while lower LFO frequency power is pre- sent in the subcortical ...of low-frequency fluc- tuation (ALFF) is a useful rs-fMRI analytic ...
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Disturbed spontaneous brain-activity pattern in patients with optic neuritis using amplitude of low-frequency fluctuation: a functional magnetic resonance imaging study
... Results: Compared with HCs, patients with ON had significantly decreased ALFF values in the posterior and anterior lobes of the right cerebellum, right putamen, right inferior frontal [r] ...
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<p>Altered amplitude of low-frequency fluctuation and regional cerebral blood flow in females with primary dysmenorrhea: a resting-state fMRI and arterial spin labeling study</p>
... of low-frequency fl uctuation (ALFF), 11 regional homogeneity (ReHo) 13,14 and functional connec- tivity (FC) and ...of low- frequency oscillations of the blood oxygen level- dependent (BOLD) ...
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<p>Alterations of amplitude of low-frequency fluctuation in treatment-resistant versus non-treatment-resistant depression patients</p>
... In the present study, compared with non-TRD subjects, TRD patients showed greater ALFF value in right sensory/ somatomotor hand, temporal lobe and left default mode net- work (LDLPFC), the MDD patients ’ HAMD score is ...
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Abnormal resting state activity of left middle occipital gyrus and its functional connectivity in female patients with major depressive disorder
... of low-frequency fluctuation (ALFF) is to examine low frequency fluctuation at ...of low frequency fluctuation between spatially independent ...
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Depression in patients with SAPHO syndrome and its relationship with brain activity and connectivity
... of low-frequency fluctuation (ALFF) in the bilateral ventrolateral prefrontal cortex (VLPFC, attributed to the anatomical structures of Brodmann ’ s area 47, 45 and 44) and right dorsolateral ...
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Structural and functional brain changes in perimenopausal women who are susceptible to migraine: a study protocol of multi-modal MRI trial
... of Low Frequency Fluctuation; DKI: Diffusion Kurtosis Imaging; FA: Fractional Anisotropy; FA: Fractional Anisotropy; FC: Functional Connectivity; fMRI: functional Magnetic Resonance Imaging; GM: Gray ...
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Drum Brake Backplate Analysis And Design Modification to Control Squeal Noise
... _______________________________________________________________________________________________________ Abstract—The stringent competition in automobile market of passenger vehicle segment exists on account of With ...
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Study of a Fluorescent Tube as Plasma Antenna.
... voltage frequency of 50 Hz to check the efficiency of a fluorescent tube functioning as plasma ...the fluctuation in return loss characteristics is still found to be prevailing, but it is different from ...
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