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Non-Stationarity in Time-Series Analysis: Modeling Stochastic and Deterministic Trends.
Multivariate Behav Res
January 2025
Psychological Methods Group, University of Amsterdam, Amsterdam, Netherlands.
Time series analysis is increasingly popular across scientific domains. A key concept in time series analysis is stationarity, the stability of statistical properties of a time series. Understanding stationarity is crucial to addressing frequent issues in time series analysis such as the consequences of failing to model non-stationarity, how to determine the mechanisms generating non-stationarity, and consequently how to model those mechanisms (i.
View Article and Find Full Text PDFDiagnostic efficacy of dual-energy CT virtual non-calcium technique in the diagnosis of bone marrow edema of sacroiliac joints in ankylosing spondylitis.
J Orthop Surg Res
January 2025
Medical school, Kunming University of Science and Technology, Kunming, Yunnan, China.
Objective: In-depth investigation of the diagnostic performance of dual-energy CT (DECT) virtual non-calcium (VNCa) technique for sacroiliac joint bone marrow edema (BME) in patients with ankylosing spondylitis(AS).
Methods: A total of 42 patients with AS)who underwent sacroiliac joint MRI and DECT scans on the same day at our Rheumatology and Immunology Department between August 2022 and June 2023 were selected. Using MRI as the reference standard, the presence of BME on the iliac and sacral surfaces was evaluated, resulting in the categorization of patients into BME-positive and BME-negative groups.
Biological mechanisms contradict AI consciousness: The spaces between the notes.
Biosystems
January 2025
Department of Life Sciences, College of Health, Medicine and Life Sciences, University of Brunel, UK. Electronic address:
The presumption that experiential consciousness requires a nervous system and brain has been central to the debate on the possibility of developing a conscious form of artificial intelligence (AI). The likelihood of future AI consciousness or devising tools to assess its presence has focused on how AI might mimic brain-centered activities. Currently, dual general assumptions prevail: AI consciousness is primarily an issue of functional information density and integration, and no substantive technical barriers exist to prevent its achievement.
View Article and Find Full Text PDFDeveloping Components of an Integrated mHealth Dietary Intervention for Mexican Immigrant Farmworkers: Feasibility Usability Study of a Food Photography Protocol for Dietary Assessment.
JMIR Form Res
December 2024
School of Nursing, University of Rochester Medical Center, Rochester, NY, United States.
Article Synopsis
- - The study investigates the challenges faced by Mexican immigrant farmworkers regarding access to health services and the prevalence of diet-related health issues, highlighting the need for culturally sensitive health interventions.
- - Researchers developed a mobile app for a 14-day dietary assessment using food photography, aiming to gather data on the participants' eating habits while accommodating low literacy levels.
- - Results from 16 participants showed a total of 1475 food photos taken, with a slight decrease in daily photo counts from the first week to the second, indicating trends in adherence to the protocol.
Costing the intergovernmental negotiating body (INB) process.
PLOS Glob Public Health
December 2024
LSE Health, London School of Economics and Political Science (LSE), London, United Kingdom.
The Intergovernmental Negotiating Body (INB) was established to draft and negotiate a pandemic instrument to strengthen pandemic preparedness and response (PPR). This has been carried out under the auspices of the World Health Organization (WHO), and has to date involved 15 sessions in Geneva, plus countless hours both in informal working groups, and in capitals working on government positions on each substantive issue. This all comes at a cost, both in terms of human resource and travel costs associated with the development of an international treaty and its associated process.
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