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Distinct brain alterations and neurodegenerative processes in cognitive impairment associated with post-acute sequelae of COVID-19

Dayoung Seo, Yangsean Choi, Eunseon Jeong, Sanghwi Bang et al. • Nature Communications (2025)

Abstract Although brain alterations have been reported in post-acute sequelae of SARS-CoV-2 (PASC), their prevalence and relationship to neurodegeneration remain unclear. We analyzed blood proteins and brain MRI from individuals approximate...

DOAJ Open Access (DOAJ) DOI: 10.1038/s41467-025-65597-z

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

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

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

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

Identification of Lichen Based on Substrate in Bale Village, Tanantovea District, Donggala Regency

Adrian Adrian, Lilies Lilies, Lestari MP Alibasyah, Bustamin Bustamin et al. • Biology, Medicine & Natural Product Chemistry (2026)

Lichens are associations between fungi and photosynthetic symbionts, such as algae or cyanobacteria, that form stable and specialized thallus structures. The fungi that predominantly compose the lichen body belong to the Ascomycetes, while ...

DOAJ Open Access (DOAJ) DOI: 10.14421/biomedich.2026.151.605-611

Characterization of thermally treated polypropylene powders with wide sintering window for powder bed fusion of polymers

Xiaodi Gong, Xia Gao, Ning Yu, Daijun Zhang et al. • Polymer Testing (2021)

One key issue restricting semi-crystalline polymers to be widely applied in powder bed fusion (PBF) of polymers is lack of good powder processability, especially a wide sintering window. In this work, a thermal treatment method with mixed d...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.polymertesting.2021.107078

Engineered Bacterial Cellulose Nanostructured Matrix for Incubation and Release of Drug-Loaded Oil in Water Nanoemulsion

Concetta Di Natale, Concetta Di Natale, Concetta Di Natale, Vincenza De Gregorio et al. • Frontiers in Bioengineering and Biotechnology (2022)

Bacterial cellulose (BC) is a highly pure form of cellulose produced by bacteria, which possesses numerous advantages such as good mechanical properties, high chemical flexibility, and the ability to assemble in nanostructures. Thanks to th...

DOAJ Open Access (DOAJ) DOI: 10.3389/fbioe.2022.851893

Physicochemical characterization and source apportionment of Arctic ice-nucleating particles observed in Ny-Ålesund in autumn 2019

G. Li, E. K. Wilbourn, Z. Cheng, J. Wieder et al. • Atmospheric Chemistry and Physics (2023)

Ice-nucleating particles (INPs) initiate primary ice formation in Arctic mixed-phase clouds (MPCs), altering cloud radiative properties and modulating precipitation. For atmospheric INPs, the complexity of their spatiotemporal variations, h...

DOAJ Open Access (DOAJ) DOI: 10.5194/acp-23-10489-2023

A comparative life cycle assessment of viscose fibers derived from cotton, wood, and bamboo pulp

Luna He, Nannan Hou, Rong Li • Industrial Crops and Products (2025)

In this work, a life cycle assessment (LCA) approach was employed to evaluate the environmental impact of viscose fibers made from cotton, wood and bamboo pulp, in accordance with the ISO 14040 standard. Utilizing SimaPro 9.5.0 software, th...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.indcrop.2025.122267

Triple‐State Invisible Photonic Crystal Pattern Encrypted in Hollow‐Silica/Polyurethane Film for Anticounterfeiting Applications

Xin Zhang, Qianqian Fu, Jianping Ge • Advanced Photonics Research (2021)

An invisible photonic crystal (PC) pattern encrypted at the dry state and decrypted by solvent is a new anticounterfeiting material system, but its diversity and complexity in response are still required to be increased to enhance the antic...

DOAJ Open Access (DOAJ) DOI: 10.1002/adpr.202000208