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203 results for “visual function”
Data from: Integrated analysis and visualization of group differences in structural and functional brain connectivity: applications in typical ageing and schizophrenia
Structural and functional brain connectivity are increasingly used to identify and analyze group differences in studies of brain disease. This study presents methods to analyze uni- and bi-modal brain connectivity and evaluate their ability to identify differences. Novel visualizations of significantly different connections comparing multiple metrics are presented. On the global level, "bi-modal comparison plots" show the distribution of uni- and bi-modal group differences and the relationship between structure and function. Differences between brain lobes are visualized using "worm plots". Group differences in connections are examined with an existing visualization, the "connectogram". These visualizations were evaluated in two proof-of-concept studies: (1) middle-aged versus elderly subjects; and (2) patients with schizophrenia versus controls. Each included two measures derived from diffusion weighted images and two from functional magnetic resonance images. The structural measures were minimum cost path between two anatomical regions according to the "Statistical Analysis of Minimum cost path based Structural Connectivity" method and the average fractional anisotropy along the fiber. The functional measures were Pearson's correlation and partial correlation of mean regional time series. The relationship between structure and function was similar in both studies. Uni-modal group differences varied greatly between connectivity types. Group differences were identified in both studies globally, within brain lobes and between regions. In the aging study, minimum cost path was highly effective in identifying group differences on all levels; fractional anisotropy and mean correlation showed smaller differences on the brain lobe and regional levels. In the schizophrenia study, minimum cost path and fractional anisotropy showed differences on the global level and within brain lobes; mean correlation showed small differences on the lobe level. Only fractional anisotropy and mean correlation showed regional differences. The presented visualizations were helpful in comparing and evaluating connectivity measures on multiple levels in both studies.
Development, Intraoperative Demonstration and Visualization of Surgical Assistance Functions
ClinicalTrials.gov study NCT05268432. IPD Sharing: NO. Countries: 1. Publications: 0.
Effects Of Optimized Blinking Training on Visual Function and Tear Film Parameters in Individuals With CVS
ClinicalTrials.gov study NCT06913816. IPD Sharing: NO. Countries: 1. Publications: 0.
Visual Performance of Functional Intraocular Lenses in Cataracts
ClinicalTrials.gov study NCT05581888. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Visual Function After Implantation of AcrySof® Toric Lens
ClinicalTrials.gov study NCT01074606. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Functional Neuroimaging of Cortical Plasticity in the Human Visual System
ClinicalTrials.gov study NCT01062672. IPD Sharing: Not stated. Countries: 2. Publications: 0.
Anatomic and Visual Function Assessments on Asymptomatic HIV-positive Patients
ClinicalTrials.gov study NCT00871078. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Testing of a Functional Outcome Measure for Those With Visual Field Defects
ClinicalTrials.gov study NCT00731796. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Subcutaneous Injection of Erythropoietin on Visual Functions in Patients With Late Onset Optic Neuropathy
ClinicalTrials.gov study NCT04469777. IPD Sharing: NO. Countries: 1. Publications: 0.
Visual Function Change in Wet Age-related Macular Degeneration Patients With Better Baseline Visual Acuity
ClinicalTrials.gov study NCT06330220. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Functional and Anatomical Visual Investigations in Patients With Early Forms of Age-related Macular Degeneration
ClinicalTrials.gov study NCT06694272. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Pharmacological Recruitment of Endogenous Neural Precursors to Promote Pediatric White Matter Repair: Establishing Correlations Between Visual Outcomes, Saccadic Function and MEG Oscillations in Child
ClinicalTrials.gov study NCT03010826. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Changes of Visual Function, Ocular Surface Structures and Physiology After Long-Termed Contact Lens Wear
ClinicalTrials.gov study NCT02894489. IPD Sharing: YES. Countries: 1. Publications: 0.
Effects of Internal Limiting Membrane Peeling on Visual Function in Epiretinal Membrane Surgery
ClinicalTrials.gov study NCT04130841. IPD Sharing: NO. Countries: 1. Publications: 0.
Attention and Visual Perception in Schizophrenia: A Functional Magnetic Resonance Imaging (fMRI) Study
ClinicalTrials.gov study NCT00350935. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Diabetic Retinopathy: Effects of Melatonin Treatment on Visual Functions and Circadian Rhythm
ClinicalTrials.gov study NCT03478306. IPD Sharing: NO. Countries: 1. Publications: 0.
The Effects of Glasses-Free 3D Training on Visual and Cognitive Function in Presbyopic Individuals
ClinicalTrials.gov study NCT06853691. IPD Sharing: NO. Countries: 1. Publications: 0.
Effects of Lutein on Visual Function
ClinicalTrials.gov study NCT03113864. IPD Sharing: NO. Countries: 1. Publications: 0.
Deficits, Adaptation and Cerebral Functional Reorganization of Visual Retinotopic Treatments During Normal and Pathological Aging (Age-related Macular Degeneration and Glaucoma)
ClinicalTrials.gov study NCT03133117. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Developing and Validating VR-Enabled Ophthalmic Clinics: A New Paradigm for Visual Function Testing
ClinicalTrials.gov study NCT04530773. IPD Sharing: Not stated. Countries: 1. Publications: 0.
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
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DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.