Expectation Maximization Em Algorithm | List of Frontiers open access articles

Original Research

Published on 14 May 2026

Cortical high-threshold and low-activation characteristics in adolescent depression: a cross-age differential analysis

in Neurostimulation

Jialin Gai
Duanwei Wang
Fengya Zhen
Tao Kong
Xiuqing Niu
Xianwei Che
Shengqiao Wang
Zhe Liu
Cuixia An
Xu Lin

Frontiers in Psychiatry

doi 10.3389/fpsyt.2026.1800009

277 views

Original Research

Published on 14 May 2026

Association of gestational weight gain with adverse pregnancy outcomes across body mass index categories for twins in China

in Reproductive Epidemiology

Huiyuan Zhu
Xiaozhou Jia
Liqin Yang
Xianglian Peng
Kehan Zou
Yueyun Xiang
Donghua Xie

Frontiers in Reproductive Health

doi 10.3389/frph.2026.1752008

274 views

Original Research

Published on 14 May 2026

Patient and clinician perceptions, expectations, and usability of ankle exoskeletons for daily living: a mixed-methods survey study

in Human Factors and Digital Health

Daniel Gomez-Vargas
Vanessa Uchenna
Manon Bocahut
Flavio Roberti
Ricardo Carelli
Marcela Munera
Carlos A. Cifuentes

Frontiers in Digital Health

doi 10.3389/fdgth.2026.1745605

274 views

Original Research

Published on 14 May 2026

Relationship between parental physical activity and adolescents' physical activity: the mediating role of family physical activity support

in Children and Health

Fusheng Liang
Hong Ding
Pengfei Gong
Lei Zhang
Laiguo Han

Frontiers in Public Health

doi 10.3389/fpubh.2026.1820985

235 views

Original Research

Published on 14 May 2026

Opaque-2 induced zein reduction and lysine increase suggest a route to quality protein sweet corn

in Plant Breeding

Jonathan Niyorukundo
Abou Yobi
Caleb Wehrbein
Ruthie Angelovici
David R. Holding

Frontiers in Plant Science

doi 10.3389/fpls.2026.1814115

196 views

Systematic Review

Published on 14 May 2026

Exercise as a potent antidepressant intervention in Parkinson’s disease: a systematic review and meta-analysis of randomised controlled trials

in Movement Science

Chu Sun
Yu Yan
Mengjing Zhu
Hui Ma
Huisong Xie

Frontiers in Psychology

doi 10.3389/fpsyg.2026.1846067

193 views

Original Research

Published on 14 May 2026

SARS-CoV-2 and reproductive system: a scientometric study

in Reproductive Epidemiology

Linghan Zhang
Minkai Wang
Huijuan Zhang
Genhong Mao

Frontiers in Reproductive Health

doi 10.3389/frph.2026.1844245

142 views

Original Research

Published on 14 May 2026

Immunometabolic reprogramming and glycolysis-associated signatures in sepsis: insights from single-cell RNA sequencing and machine learning

in Systems Immunology

Tao Li
Yun Liu
WanZhao Wang
QiuYue Li
Bing Chen

Frontiers in Immunology

doi 10.3389/fimmu.2026.1817391

227 views

Review

Published on 14 May 2026

Genomic and proteomic conversion of brain ischemia to Alzheimer’s disease

in Molecular and Cellular Pathology

Ryszard Pluta
Marzena Ułamek-Kozioł

Frontiers in Cell and Developmental Biology

doi 10.3389/fcell.2026.1804251

307 views

Conceptual Analysis

Published on 14 May 2026

Accounting for vulnerability in digital democracy theory and practice: the digital democratic subject as vulnerable

in Politics of Technology

Victoria Bogdanova

Frontiers in Political Science

doi 10.3389/fpos.2026.1814528

Original Research

Published on 14 May 2026

Comparative pharmacokinetics of periplocin and its four key metabolites in rats after oral administration of periplocin and cardiac glycoside extract from Cortex Periplocae

in Ethnopharmacology

Peng Zhao
Fanjiao Zuo
Caixia Li
Yingjing Zhao
Yanjin Li
Haoran Wu
Yameng Zhu
Jun He

Frontiers in Pharmacology

doi 10.3389/fphar.2026.1844009

167 views

Original Research

Published on 14 May 2026

Relationship between peer victimization and adolescent internet addiction: self-esteem as a mediator and teacher-student relationship as a moderator

in Addictive Behaviors

Yujie Wang
Cheng Sun
Honglin Wu
Yuhe Shan
Yuxin Wang
Yajie Zhang
Siqi Wu
Yanfei Lu
Chenchen Xu

Frontiers in Psychology

doi 10.3389/fpsyg.2026.1762386

305 views

Original Research

Published on 14 May 2026

Suppression and resurgence: the evolving epidemiology of seasonal influenza from 2015 to 2024 in a core urban district of Beijing, China

in Infectious Diseases: Epidemiology and Prevention

Xing Gao
Panpan Qin
Xiao Qi
Yanli Wan
Zhiyuan Xu
Hongpu Hu

Frontiers in Public Health

doi 10.3389/fpubh.2026.1800701

563 views

Original Research

Published on 14 May 2026

Achieving national fitness goals through school-community collaboration: a configurational analysis of multi-agent games in China

in Public Health Policy

Zhuang Zhuang
Pengfei Tai
Zhaojin Li
Fugao Jiang

Frontiers in Public Health

doi 10.3389/fpubh.2026.1831733

222 views

Original Research

Published on 14 May 2026

Infection incidence, timing, and predictors in newly diagnosed multiple myeloma: a real-world retrospective cohort study

in Hematology

Ozlem Candan
Narmin Naghizada
Tekin Tuncel
Beyza Melek Palaz
Mustafa Alperen Tunc
Derya Demirtas
Ahmet Mert Yanik
Arda Bayar
Secil Salim
Fatma Temiz

Frontiers in Medicine

doi 10.3389/fmed.2026.1829429

212 views

Case Report

Published on 14 May 2026

Navigating the complexities of dual CNV findings: a case of DEE7 caused by a de novo KCNQ2 deletion and a Co-occurring chromosome 13 duplication – a case report and literature review

in Neonatology

Yangfan Qi
Shuangzhu Lin
Ying Zhou
Yanzhi Chen
Xiaochun Feng
Kai Jiang
Jinhua Feng

Frontiers in Pediatrics

doi 10.3389/fped.2026.1737877

145 views

Articles

Cortical high-threshold and low-activation characteristics in adolescent depression: a cross-age differential analysis

Association of gestational weight gain with adverse pregnancy outcomes across body mass index categories for twins in China

Patient and clinician perceptions, expectations, and usability of ankle exoskeletons for daily living: a mixed-methods survey study

Relationship between parental physical activity and adolescents' physical activity: the mediating role of family physical activity support

Opaque-2 induced zein reduction and lysine increase suggest a route to quality protein sweet corn

Exercise as a potent antidepressant intervention in Parkinson’s disease: a systematic review and meta-analysis of randomised controlled trials

SARS-CoV-2 and reproductive system: a scientometric study

Immunometabolic reprogramming and glycolysis-associated signatures in sepsis: insights from single-cell RNA sequencing and machine learning

Genomic and proteomic conversion of brain ischemia to Alzheimer’s disease

Accounting for vulnerability in digital democracy theory and practice: the digital democratic subject as vulnerable

Comparative pharmacokinetics of periplocin and its four key metabolites in rats after oral administration of periplocin and cardiac glycoside extract from Cortex Periplocae

Relationship between peer victimization and adolescent internet addiction: self-esteem as a mediator and teacher-student relationship as a moderator

Suppression and resurgence: the evolving epidemiology of seasonal influenza from 2015 to 2024 in a core urban district of Beijing, China

Achieving national fitness goals through school-community collaboration: a configurational analysis of multi-agent games in China

Infection incidence, timing, and predictors in newly diagnosed multiple myeloma: a real-world retrospective cohort study

Navigating the complexities of dual CNV findings: a case of DEE7 caused by a de novo KCNQ2 deletion and a Co-occurring chromosome 13 duplication – a case report and literature review