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Right temporal variant frontotemporal dementia initially presenting with gradually progressing heading disorientation: A case report.
Clin Neuropsychol
December 2024
Department of Neurology, Tokyo Metropolitan Institute for Geriatrics and Gerontology, Tokyo, Japan.
: Previous studies of topographical disorientation have focused on cerebrovascular diseases. However, a detailed assessment of patients with neurodegenerative diseases may aid our understanding of spatial navigation. We report the case of a patient with right temporal variant frontotemporal dementia (rtvFTD) initially presenting with heading disorientation, a distinct category of topographical disorientation.
View Article and Find Full Text PDFIntegrating multisource data and machine learning for supraglacial lake detection: Implications for environmental management and sustainable development goals in high mountainous regions.
J Environ Manage
November 2024
Plant Production Department, College of Food and Agriculture Sciences, King Saud University, Riyadh, 11451, Saudi Arabia.
The accurate detection and monitoring of supraglacial lakes in high mountainous regions are crucial for understanding their dynamic nature and implications for environmental management and sustainable development goals. In this study, we propose a novel approach that integrates multisource data and machine learning techniques for supra-glacial lake detection in the Passu Batura glacier of the Hunza Basin, Pakistan. We extract pertinent features or parameters by leveraging multisource datasets such as radar backscatter intensity VH and VV parameters from Sentinel-1 Ground Range Detected (GRD) data, near-infrared (NIR), NDWI_green, NDWI_blue parameters from Sentinel-2 Multi-spectral Instrument (MSI) data, and surface slope, aspect, and elevation parameters from topographic data.
View Article and Find Full Text PDFLong-lasting pure topographical disorientation due to heading disorientation following left retrosplenial infarction: A report of two cases.
Brain Cogn
November 2024
Department of Behavioral Neurology and Cognitive Neuroscience, Graduate School of Medicine, Tohoku University, Japan. Electronic address:
Topographical disorientation is linked to lesions in the right hemisphere and typically resolves within a few months post-stroke. Persistent topographical disorientation is uncommon and frequently accompanied by impairments in visual memory, complicating the analysis of the underlying mechanisms. Herein, we report two cases of sustained pure topographical disorientation following cerebral hemorrhages in the left retrosplenial region.
View Article and Find Full Text PDFRapidly progressive cognitive impairment resulting in heavy psychosocial burden in a patient with Fabry disease undergoing hemodialysis: a case report.
BMC Nephrol
June 2024
Department of Nephrology, Internal Medicine, Saiyu Soka Hospital, 1-7-22, Matsubara, Soka City, Saitama, 340-0041, Japan.
Background: Long-term enzyme replacement therapy (ERT) may improve prognosis in the patients with Fabry disease (FD), however, detail psychosocial burden has not been focused on long life expectancy. We experienced a male case of FD under ERT, he was placed on hemodialysis and presented rapidly progressive cognitive function.
Case Presentation: A 51-year-old male patient with FD has been receiving ERT from age of 38 years.
Behavioral Disorders of Spatial Cognition in Patients with Mild Cognitive Impairment Due to Alzheimer's Disease (The BDSC-MCI Project): Ecological Validity of the Corsi Learning Suvra-Span Test.
J Pers Med
May 2024
Department of Psychology, Catholic University, 20123 Milan, Italy.
Article Synopsis
- The study investigates how deficits in visuospatial long-term memory can forecast navigation difficulties in older adults as they progress from normal aging to Alzheimer's disease (AD).
- It involved assessing 72 participants, including those with Mild Cognitive Impairment (MCI), subjective cognitive decline (SCD), and healthy controls, using a navigation test and a learning task to measure performance.
- Results indicated that higher performance in the learning task correlated with fewer navigation mistakes and hesitations, suggesting the potential of the learning test as a tool for evaluating navigational abilities in individuals at risk for AD.
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