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Effect of probiotics on cognitive function and cardiovascular risk factors in mild cognitive impairment and Alzheimer’s disease: an umbrella meta-analysis

Bin Xiao, Lina Fu, Zhe Yang, Guran Yu • Journal of Health, Population and Nutrition (2025)

Abstract Background This umbrella meta-analysis evaluates the effects of probiotics on cognitive function and metabolic health in Alzheimer’s disease (AD) and mild cognitive impairment (MCI) by synthesizing findings from meta-analyses of ra...

DOAJ Open Access (DOAJ) DOI: 10.1186/s41043-025-00816-3

Problem-Based Learning Approach to Review the Principles of Green Chemistry Applied to a Polycondensation Reaction

David Salgado-Chavarría, Joaquín Palacios-Alquisira • Science Education International (2021)

Science Education International ¦ Volume 32 ¦ Issue 2 107 ORIGINAL ARTICLE INTRODUCTION The problem-based learning (PBL) methodology is a student-centered approach that is related to the learning process that occurs when students deal w...

DOAJ Open Access (DOAJ) DOI: 10.33828/sei.v32.i2.3

Sex-Related Differences in Regional Homogeneity and Intolerance of Uncertainty in Obsessive-Compulsive Disorder: A Resting-State fMRI Study

Wang A, Zhao S, Guo Q, Wu J et al. • Neuropsychiatric Disease and Treatment (2026)

Anzhen Wang,1,2 Shuai Zhao,1 Qihui Guo,3,4 Jinling Wu,1 Wenmei Fang,1 Shuang Zheng,1 Chunyan Zhu,2,5,6 Xiangyang Zhang1,3,41Affiliated Psychological Hospital of Anhui Medical University, Anhui Medical University, Hefei, People’s Republic of...

DOAJ Open Access (DOAJ)

The structural characteristics and influential factors of psychological stress of urban residents in Jiangxi province during the COVID-19 pandemic: cross sectional study

Zewen Huang, Lejun Zhang, Junyu Wang, Lu Xu et al. • Heliyon (2021)

Aims: To explore the structural characteristics and influential factors of psychological stress of urban residents in Jiangxi province during the COVID-19 pandemic through a survey of psychological stress, personality traits, family functio...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.heliyon.2021.e07829

Cognitive biases in nursing students' clinical decision-making: insights from high-fidelity simulation using think-aloud and observational methods

Naim Abdulmohdi • Frontiers in Medicine (2026)

BackgroundCognitive biases are systematic errors in human reasoning that can compromise clinical decision-making (CDM) in healthcare. While extensively studied in medicine, nursing research on cognitive biases in CDM remains limited.AimThis...

DOAJ Open Access (DOAJ) DOI: 10.3389/fmed.2026.1984162

The neuropsychological impact of early childhood trauma on cognitive development: A narrative review of mechanisms, outcomes, and interventions

Kalliopi Megari, Kremena Dinkova Genova • PCN Reports (2026)

Abstract Research indicates that early traumatic experiences can profoundly affect a child's ability to manage emotions, develop social skills, and adapt effectively. Still, the impact of trauma on children goes beyond just emotional and be...

DOAJ Open Access (DOAJ) DOI: 10.1002/pcn5.70387

Experience in a Climate Microworld: Influence of Surface and Structure Learning, Problem Difficulty, and Decision Aids in Reducing Stock-Flow Misconceptions

Medha Kumar, Varun Dutt, Varun Dutt • Frontiers in Psychology (2018)

Research shows that people’s wait-and-see preferences for actions against climate change are a result of several factors, including cognitive misconceptions. The use of simulation tools could help reduce these misconceptions concerning Eart...

DOAJ Open Access (DOAJ) DOI: 10.3389/fpsyg.2018.00299

Stress Levels Escalate When Repeatedly Performing Tasks Involving Threats

Johan Bertilsson, Johan Bertilsson, Diederick C. Niehorster, Diederick C. Niehorster et al. • Frontiers in Psychology (2019)

Police work may include performing repeated tasks under the influence of psychological stress, which can affect perceptual, cognitive and motor performance. However, it is largely unknown how repeatedly performing stressful tasks physically...

DOAJ Open Access (DOAJ) DOI: 10.3389/fpsyg.2019.01562

The effects of anodal transcranial direct current stimulation on psychological factors in athletes: a systematic review and meta-analysis

Mahdi Mollazadeh, Sara Ramezanpour • BMC Psychology (2026)

Abstract Objective Transcranial direct current stimulation (tDCS) is a safe, non-invasive neuromodulation method that delivers a low-intensity, constant direct current through electrodes positioned on the scalp. Therefore, the purpose of th...

DOAJ Open Access (DOAJ) DOI: 10.1186/s40359-026-05000-8

Educational environment perception and cognitive load among physical therapy students during e-learning

Zahid Mehmood, Zubair Ahmad, Asad Ullah, Anam Aftab et al. • The Rehabilitation Journal (2023)

Background: Understanding students' perception of the educational environment and their cognitive load in this context is crucial for optimizing the effectiveness of e-learning platforms. Objective: To compare educational environment perce...

DOAJ Open Access (DOAJ) DOI: 10.52567/trj.v7i02.224

Neural circuitry governing anxious individuals’ mis-allocation of working memory to threat

Daniel M. Stout, Alexander J. Shackman, Walker S. Pedersen, Tara A. Miskovich et al. • Scientific Reports (2017)

Abstract Dispositional anxiety is a trait-like phenotype that confers increased risk for a range of debilitating neuropsychiatric disorders. Like many patients with anxiety disorders, individuals with elevated levels of dispositional anxiet...

DOAJ Open Access (DOAJ) DOI: 10.1038/s41598-017-08443-7

Thematic structure of clinically oriented prefrontal function assessment and intervention research: a keyword network analysis

Jin Seok Oh, Jong Gab Ho, Jin-Hyuck Park • BMC Psychiatry (2026)

Abstract Background The prefrontal cortex (PFC) has been extensively investigated in relation to higher-order cognition, emotional regulation, and behavioural control, particularly within clinically oriented studies addressing psychiatric s...

DOAJ Open Access (DOAJ) DOI: 10.1186/s12888-026-08277-6

Contrast Sensitivity Is Associated With Chorioretinal Thickness and Vascular Density of Eyes in Simple Early-Stage High Myopia

Xinting Liu, Yanli Wang, Xiaoxiao Ying, Fen Zhang et al. • Frontiers in Medicine (2022)

ObjectiveTo evaluate the contrast sensitivity function (CSF), chorioretinal thickness and vascular density as well as their relationships in subjects with simple early-stage high myopia.MethodsEighty-one young subjects were enrolled in this...

DOAJ Open Access (DOAJ) DOI: 10.3389/fmed.2022.847817

Psychological Components of Disease Stigma Across Illnesses: Associations with Cultural and Personal Factors

Shiming Yao, Jiajia Zhu, Yan Mu • Behavioral Sciences (2026)

Understanding public stigma against patients (also known as disease stigma)—negative attitudes or discriminatory responses toward individuals with a disease—is essential for improving health outcomes and fostering inclusive communities. In ...

DOAJ Open Access (DOAJ) DOI: 10.3390/bs16020295

Fertility and Iron Bioaccumulation in <i>Drosophila melanogaster</i> Fed with Magnetite Nanoparticles Using a Validated Method

Fernanda Pilaquinga, Sofía Cárdenas, Doris Vela, Eliza Jara et al. • Molecules (2021)

Research on nanomaterial exposure-related health risks is still quite limited; this includes standardizing methods for measuring metals in living organisms. Thus, this study validated an atomic absorption spectrophotometry method to determi...

DOAJ Open Access (DOAJ) DOI: 10.3390/molecules26092808

Evaluation of microhardness of residual dentin in primary molars following caries removal with conventional and chemomechanical techniques: An In vitro Study

A Shihab Anwar, R Krishna Kumar, V Arun Prasad Rao, N Venugopal Reddy et al. • Journal of Pharmacy and Bioallied Sciences (2017)

Background: Many patients consider removal of caries to be a very unpleasant experience. Removal of caries with conventional drill is considered traumatic mainly due to fear and anxiety of children and their parents. Minimally invasive dent...

DOAJ Open Access (DOAJ) DOI: 10.4103/jpbs.JPBS_148_17