Learning Problems | List of Frontiers open access articles

Original Research

Accepted on 15 May 2026

Climate Governance Credibility and Renewable Energy Transition in G20 Nations: An Institutional Signalling Perspective on NDC Compliance and Implementation Gaps (2016–2024)

in Environmental Policy and Governance

Yuxuan Liu

Frontiers in Environmental Science

Original Research

Accepted on 15 May 2026

Observation-Driven Dynamic Correction of Urban CO2 Simulations in WRF-Chem for High-Resolution Carbon Monitoring

in Environmental Informatics and Remote Sensing

Shichao Wu
Congguang Xu
Yuquan Liu
Hailiang Shi
Wei Xiong
Shenshen Li
Yuan An

Frontiers in Environmental Science

Original Research

Accepted on 15 May 2026

Neural Frequency-Tagging of Syllables in Naturalistic Speech is Sensitive to Background Noise and Age-Related Hearing Loss

in Neurocognitive Aging and Behavior

Stefan Elmer
Martin Meyer
Nathalie Giroud

Frontiers in Aging Neuroscience

Original Research

Accepted on 15 May 2026

Establishment and Validation of a Machine Learning-Based Predictive Model for In-Hospital Mortality Risk in Acute Myocardial Infarction Patients Complicated with Diabetes Mellitus

in General Cardiovascular Medicine

Lang Zeng
Yangchun Li
Fenglin Wu
Shikang Li
Chenshi Rao
Yao Zhang
Yonghong Zhang
Xuefeng Ding
Houxiang Hu
Rongchuan Yue

Frontiers in Cardiovascular Medicine

Case Report

Accepted on 15 May 2026

Case Report: Alocasia Poisoning Presenting with Marked QTc Prolongation and a MINOCA-Like Phenotype

in General Cardiovascular Medicine

Jinmei Xie
Renrong Lu
Zongjie Zheng
Jie Ma
Chenghua Shan

Frontiers in Cardiovascular Medicine

Original Research

Accepted on 15 May 2026

Difficulties in emotion regulation mediate the association between sensory over-responsiveness and motor coordination symptoms in community-dwelling midlife adults: A cross-sectional analysis

in Health Psychology

MERAV ASHER
hagit hochner
Tami Bar-Shalita
Maayan Agmon

Frontiers in Psychology

Original Research

Accepted on 15 May 2026

Comparison of Efficacy and Cost-Effectiveness between Mobile-Bearing and Fixed-Bearing Unicompartmental Knee Arthroplasty for Elderly Patients with Knee Osteoarthritis: A retrospective cohort study

in Orthopedic Surgery

Liangchun Pan
Linlin Zhang
Zongsheng Yin
Yunchao Shao
Chen Zhu
Dengpan Yao

Frontiers in Surgery

Original Research

Accepted on 15 May 2026

Human Umbilical Cord Mesenchymal Stem Cell–Derived Exosomes Are Associated with Changes in Renal Injury Markers, Gut Microbiota Composition, and Inflammatory Signaling in IgA Nephropathy

in Microbial Immunology

Yuanyuan He
Xinyi Wang
Qian Hu
Lu Huang
Shibin Zhang
Shengzhi Zhang
Zhengxia Zhong

Frontiers in Immunology

Original Research

Accepted on 15 May 2026

Efficacy of AI Virtual Tutors in Emotional self-regulation for Children and Adolescents (Ages 6–18)

in Digital Learning Innovations

Celia Gallardo Herrerías

Frontiers in Education

Original Research

Accepted on 15 May 2026

Multi-layered functional genomics prioritizes candidate effectors and regulatory mechanisms of ankylosing spondylitis

in Molecular Innate Immunity

Fanyu Meng
Ling Chen
Meng Li
Qingqing Zhang
Peiying Wang
Ruifeng Lin
Jiani Liu
Zhao Yuan
Kexin Chen
Zhaoxia Li

Frontiers in Immunology

Original Research

Accepted on 15 May 2026

Smoking and Mortality Risk in COPD Patients: A Prospective Cohort Study in Sichuan, China

in Pulmonary Medicine

Boke Chen
Di Wu
Xiaofang Chen
Xia Wu
Mingqiang Yuan
Yujin He
Zhuo Wang
Xueli Zhang
Jun Lv
Canqing Yu

Frontiers in Medicine

Original Research

Accepted on 15 May 2026

What Influences The Perceived Access to Healthcare Services? An Investigation Using Structural Equation Modeling

in Health Economics

Murat Topbas
Irem Dilaver
SERDAR KARAKULLUKÇU
Fusun Yalcin
Husniye Ebru Colak
Elif Bahcekapili
Nazim Ercument Beyhun
Mehmet Topsakal
Yavuz Cakiroglu
Erdem Sen

Frontiers in Public Health

Original Research

Accepted on 15 May 2026

Hearing Loss and Healthcare Expenditures in the United States: Evidence of a Public Health Market Failure

in Health Economics

Yuval Arbel
Yifat Arbel
Netanel Kerner
Oriya Kerner

Frontiers in Public Health

Systematic Review

Accepted on 15 May 2026

Comparative efficacy of single exercise interventions on pulmonary function and quality of life in patients with chronic obstructive pulmonary disease: a systematic review and network meta-analysis

in Pulmonary Medicine

Xiang Lin
Xueqi Fan
Yanling Huang
Anqi Wang
Yuling Tang
Wen Sun
Ziyan Zhang
Wenshan Xu
Caixia Qiu
Shungui Xu

Frontiers in Medicine

Systematic Review

Accepted on 15 May 2026

Environmental endocrine disruptors and endometrial cancer risk: a systematic review and meta-analysis of cadmium and polychlorinated biphenyls, with emerging evidence on PFAS, phthalates, and bisphenols

in Gynecological Oncology

Lutian Gong
WENPING LU
Yujing Zhao
Heting MEI
Xiangyang Zhang

Frontiers in Oncology

Original Research

Accepted on 15 May 2026

Drivers and Effects of DRG Coding Abuse based on Hot Cheese Model:A Qualitative Study

in Health Economics

Shuo Liu
chang-chang Chen
Li Zhao
Zhi-ping Yang
Dai-ming Fan
Xue-jun Hu

Frontiers in Public Health

Articles

Climate Governance Credibility and Renewable Energy Transition in G20 Nations: An Institutional Signalling Perspective on NDC Compliance and Implementation Gaps (2016–2024)

Observation-Driven Dynamic Correction of Urban CO2 Simulations in WRF-Chem for High-Resolution Carbon Monitoring

Neural Frequency-Tagging of Syllables in Naturalistic Speech is Sensitive to Background Noise and Age-Related Hearing Loss

Establishment and Validation of a Machine Learning-Based Predictive Model for In-Hospital Mortality Risk in Acute Myocardial Infarction Patients Complicated with Diabetes Mellitus

Case Report: Alocasia Poisoning Presenting with Marked QTc Prolongation and a MINOCA-Like Phenotype

Difficulties in emotion regulation mediate the association between sensory over-responsiveness and motor coordination symptoms in community-dwelling midlife adults: A cross-sectional analysis

Comparison of Efficacy and Cost-Effectiveness between Mobile-Bearing and Fixed-Bearing Unicompartmental Knee Arthroplasty for Elderly Patients with Knee Osteoarthritis: A retrospective cohort study

Human Umbilical Cord Mesenchymal Stem Cell–Derived Exosomes Are Associated with Changes in Renal Injury Markers, Gut Microbiota Composition, and Inflammatory Signaling in IgA Nephropathy

Efficacy of AI Virtual Tutors in Emotional self-regulation for Children and Adolescents (Ages 6–18)

Multi-layered functional genomics prioritizes candidate effectors and regulatory mechanisms of ankylosing spondylitis

Smoking and Mortality Risk in COPD Patients: A Prospective Cohort Study in Sichuan, China

What Influences The Perceived Access to Healthcare Services? An Investigation Using Structural Equation Modeling

Hearing Loss and Healthcare Expenditures in the United States: Evidence of a Public Health Market Failure

Comparative efficacy of single exercise interventions on pulmonary function and quality of life in patients with chronic obstructive pulmonary disease: a systematic review and network meta-analysis

Environmental endocrine disruptors and endometrial cancer risk: a systematic review and meta-analysis of cadmium and polychlorinated biphenyls, with emerging evidence on PFAS, phthalates, and bisphenols

Drivers and Effects of DRG Coding Abuse based on Hot Cheese Model:A Qualitative Study