Results 41 to 50 of about 3,449,316 (156)
Frontiers in Neurology, 2021 Background: Visual Snow (VS) syndrome is believed to be due to aberrant central visual processing. Positron Emission Tomography (PET) brain imaging and visual evoked potential studies provide evidence for excessive neuronal activity in the medial ...
Marissa Grande +6 more
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Symptomatic visual snow in acute ischemic stroke: A case series. [PDF]
, 2023 Visual snow is the main symptom of visual snow syndrome, a disorder of predominantly visual disturbances initially described in patients without abnormalities on ancillary investigations.
Arnold, Marcel +15 more
core +1 more source
Cortical oscillatory dysrhythmias in visual snow syndrome: a magnetoencephalography study [PDF]
, 2021 Visual Snow refers to the persistent visual experience of static in the whole visual field of both eyes. It is often reported by patients with migraine and co-occurs with conditions like tinnitus and tremor.
Hepschke, JL +5 more
core +1 more source
Resting - State EEG Indicates Unstable Microstates in Visual Snow Syndrome [PDF]
, 2023 Background: EEG microstates account for a significant amount of the variance in resting-state EEG activity and are considered the basic building blocks of human neurological processes.
Schankin, Christoph +3 more
core +1 more source
Perceived severity of Visual Snow Syndrome is associated with visual allodynia
Headache: The Journal of Head and Face Pain, 2023 Abstract Objective To investigate whether sensory sensitivity is associated with the perceived severity of Visual Snow Syndrome (VSS) symptoms. Background Visual Snow (VS) is a perceptual anomaly which manifests as ...
Amy Claire Thompson +2 more
openaire +2 more sources
Neuro-ophthalmologic Findings in Visual Snow Syndrome
Journal of Clinical Neurology, 2020 The findings of ophthalmic examinations have not been systematically investigated in visual snow syndrome. This study reviewed the abnormal neuro-ophthalmologic findings in a patient cohort with symptoms of visual snow syndrome.We retrospectively reviewed 28 patients who were referred for symptoms of visual snow to a tertiary referral hospital from ...
Yung-Ju Yoo +4 more
openaire +2 more sources
Visual snow syndrome and the emperor’s new clothes
Brain Communications, 2022 This scientific commentary refers to ‘Microstructure in patients with visual snow syndrome: an ultra-high field morphological and quantitative MRI study’, by Strik et al. (https://doi.org/10.1093/braincomms/fcac164)
openaire +4 more sources
Неврология, нейропсихиатрия, психосоматика, 2023 Visual snow syndrome (VSS) is a visual perception disorder characterized by persistent positive visual symptoms described by patients as “tiny dots, pixel vision, interference as on TV”.
A. S. Kamaeva +2 more
doaj +1 more source
Imaging the Visual Network in the Migraine Spectrum
Frontiers in Neurology, 2019 The involvement of the visual network in migraine pathophysiology has been well-known for more than a century. Not only is the aura phenomenon linked to cortical alterations primarily localized in the visual cortex; but also migraine without aura has ...
Francesca Puledda +5 more
doaj +1 more source
Widespread White Matter Alterations in Patients With Visual Snow Syndrome
Frontiers in Neurology, 2021 Background: Visual snow is considered a disorder of central visual processing resulting in a perturbed perception of constant binocular flickering or pixilation of the whole visual field.
Lars Michels +10 more
doaj +1 more source