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Abnormal neural circuits and altered brain network topological properties in patients with persistent postural-perceptual dizziness.
Commun Biol
January 2025
Department of Neurology, Peking University First Hospital, Beijing, People's Republic of China.
Persistent Postural-Perceptual Dizziness (PPPD) is a common cause of chronic vestibular syndrome. Although previous studies have identified central abnormalities in PPPD, the specific neural circuits and the alterations in brain network topological properties, and their association with dizziness and postural instability in PPPD remain unclear. This study includes 30 PPPD patients and 30 healthy controls.
View Article and Find Full Text PDFThe vestibular and oculomotor dysfunction in Fabry disease: a cohort study in China.
Ann Med
December 2025
Department of Neurology, Peking University First Hospital, China.
Objective: Whereas a few studies have evaluated vestibular involvement in Fabry disease (FD), the relationship between vestibular/oculomotor abnormalities and disease-specific biomarkers remain unclear. Therefore, we seek to evaluate these quantitatively and analyze their relationship with disease phenotype and biomarkers in FD.
Methods: This cohort study enrolled 37 Chinese FD patients registered in our center.
Functional and Structural Changes in the Inner Ear and Cochlear Hair Cell Loss Induced by Hypergravity.
Int J Mol Sci
January 2025
Department of Otorhinolaryngology-Head and Neck Surgery, College of Medicine, Inha University, Incheon 22332, Republic of Korea.
Gravitational changes have been shown to cause significant abnormalities in various body systems, including the cardiovascular, immune, vestibular, and musculoskeletal systems. While numerous studies have examined the response of the vestibular system to gravitational stimulation, research on functional changes in the peripheral inner ear remains limited. The inner ear comprises two closely related structures: the vestibule and cochlea.
View Article and Find Full Text PDFPerceptual Disturbances and Disorders in the ICD-11: An Overview and a Proposal for Systematic Classification.
Brain Sci
January 2025
Department of Surgery, Section of Neurosurgery, University of Otago, Dunedin 9016, New Zealand.
The International Classification of Diseases (ICD) has been developed and edited by the World Health Organisation and represents the global standard for recording health information and causes of death. The ICD-11 is the eleventh revision and came into effect on 1 January 2022. Perceptual disturbances refer to abnormalities in the way sensory information is interpreted by the brain, leading to distortions in the perception of reality.
View Article and Find Full Text PDFThe cochlea phenotypically differs from the vestibule in the Gfi1 mouse.
Dev Dyn
January 2025
Department of Human Anatomy, College of Basic Medical Sciences, Jilin University, Changchun, China.
Background: Previous studies with Gfi1-mutated lines have shown that Gfi1 is essential for hair cell maturation and survival.
Results: We analyzed the phenotype of another Gfi1-mutated line Gfi1 in the inner ears of neonates at P5-7 and found that the cochlea phenotypically differed from the vestibule in the Gfi1 mouse. Specifically, there was a marked reduction in hair cells in the cochlea, which was characterized by greater reductions in the outer hair cells but far less reductions (mainly in the basal turn) in the inner hair cells, whereas the vestibular hair cells remained unaffected.
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