Results 111 to 120 of about 109,633 (300)

On the Possibility of Super-luminal Propagation in a Gravitational Background [PDF]

open access: yes, 2010
We argue that superluminal propagation in a gravitational field discovered by Drummond and Hathrell in the lowest order of perturbation theory remains intact in higher orders.
Akhoury, Ratindranath   +1 more
core  

A System Dynamics Analysis of National R&D Performance Measurement System in Korea

open access: yes, 2018
Peer review is one of useful and powerful performance measurement process. In Korea, it needs to increase quality of R&D performance, but bibliometric evaluation and lack of peers have opposite effect.
Jung, Woo-Sung, You, Taekho
core   +1 more source

Mapping complex public health problems with causal loop diagrams

open access: yesInternational Journal of Epidemiology
Abstract This paper presents causal loop diagrams (CLDs) as tools for studying complex public health problems like health inequality. These problems often involve feedback loops—a characteristic of complex systems not fully integrated into mainstream epidemiology.
Jeroen F Uleman   +4 more
openaire   +5 more sources

Causal Loops Diagram untuk Kualitas Kepemimpinan dan Produktifitas Nasional

open access: yes, 2023
Tulisan ini mengungkap ide tentang peran prioritas kepempimpinan nasional dalam meningkatkan kesejahteraan yang berkesinambungan. Pendekatan yang digunakan adalah Causal Loop Diagram. Peran utama kepemimpinan adalah menghasilkan Public Service yang kuat untuk meningkatkan kualitas manusia yang nantinya secara produktif meningkatkan GDP dari suatu ...
openaire   +1 more source

Functional Connectivity Linked to Cognitive Recovery After Minor Stroke

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Patients with minor stroke exhibit slowed processing speed and generalized alterations in functional connectivity involving frontoparietal cortex (FPC). The pattern of connectivity evolves over time. In this study, we examine the relationship of functional connectivity patterns to cognitive performance, to determine ...
Vrishab Commuri   +7 more
wiley   +1 more source

Applying Community-based System Dynamics to promote child health equity: the case of healthy and fit kids in Milwaukee, WI

open access: yesFrontiers in Public Health
BackgroundChild health equity is influenced by complex systemic factors, including structural racism, socioeconomic disparities, and access to resources.
Yvonne D. Greer   +20 more
doaj   +1 more source

Clustering Algorithm Reveals Dopamine‐Motor Mismatch in Cognitively Preserved Parkinson's Disease

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective To explore the relationship between dopaminergic denervation and motor impairment in two de novo Parkinson's disease (PD) cohorts. Methods n = 249 PD patients from Parkinson's Progression Markers Initiative (PPMI) and n = 84 from an external clinical cohort.
Rachele Malito   +14 more
wiley   +1 more source

Air Pollution and the Risk and Progression of Multiple Sclerosis: A Systematic Review and Meta‐Analysis

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Purpose Air pollution has been linked to several neurological conditions, including stroke and neurodegenerative diseases. Evidence regarding its association with multiple sclerosis (MS) remains conflicting, limited by small sample sizes. Methods PubMed, Embase, Scopus, and Cochrane controlled register of trials (CENTRAL) were searched on ...
Ahmad A. Toubasi, Thuraya N. Al‐Sayegh
wiley   +1 more source

A dynamic simulation model of desertification in Egypt

open access: yesEgyptian Journal of Remote Sensing and Space Sciences, 2010
This paper presents the development of a system dynamic model to simulate and analyze potential future state of desertification in Egypt. The presented model enhances the MEDALUS methodology developed by European Commission. It illustrates the concept of
M. Rasmy   +3 more
doaj   +1 more source

Epilepsy‐Associated Variants of a Single SCN1A Codon Exhibit Divergent Functional Properties

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Pathogenic variants in SCN1A, which encodes the voltage‐gated sodium channel NaV1.1, are associated with multiple epilepsy syndromes exhibiting a range of clinical severity. SCN1A variants are reported in different syndromes, including Dravet syndrome, which is associated with loss‐of‐function, whereas neonatal/infantile‐onset ...
Lanie N. Liebovitz   +3 more
wiley   +1 more source

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