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JOURNAL ARTICLE
Sam Ng, Sylvie Moritz-Gasser, Anne-Laure Lemaitre, Hugues Duffau, Guillaume Herbet
Accumulating evidence suggests that the brain exhibits a remarkable capacity for functional compensation in response to neurological damage, a resilience potential that is deeply rooted in the malleable features of its underlying anatomo-functional architecture. This propensity is particularly exemplified by diffuse low-grade gliomas (DLGGs), a subtype of primary brain tumour. However, functional plasticity is not boundless, and surgical resections directed at structures with limited neuroplasticity may lead to incapacitating impairments...
April 24, 2024: Brain
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JOURNAL ARTICLE
Jorg Dietrich, Michael W Parsons, Emiliano Santarnecchi
Many cancer patients are at risk of developing cognitive symptoms that often become evident during or after cancer-directed therapy and may involve difficulties with attention, concentration, multitasking, executive function, and memory. Despite recent advances in identifying potential molecular and cellular mechanisms underlying cancer and chemotherapy-related cognitive impairment, there is generally a lack of effective treatment strategies, and the development of novel therapeutic interventions represents a major unmet medical need in clinical practice...
April 24, 2024: Cancer Research
#3
JOURNAL ARTICLE
Tim M Kamsma, Jaehyun Kim, Kyungjun Kim, Willem Q Boon, Cristian Spitoni, Jungyul Park, René van Roij
The brain's remarkable and efficient information processing capability is driving research into brain-inspired (neuromorphic) computing paradigms. Artificial aqueous ion channels are emerging as an exciting platform for neuromorphic computing, representing a departure from conventional solid-state devices by directly mimicking the brain's fluidic ion transport. Supported by a quantitative theoretical model, we present easy-to-fabricate tapered microchannels that embed a conducting network of fluidic nanochannels between a colloidal structure...
April 30, 2024: Proceedings of the National Academy of Sciences of the United States of America
#4
JOURNAL ARTICLE
Cuiying Yu, Lei Zhou, Bushi Liu, Yue Zhao, Pengcheng Zhu, Liqing Chen, Bolun Chen
Hazardous chemical vehicles are specialized vehicles used for transporting flammable gases, medical waste, and liquid chemicals, among other dangerous chemical substances. During their transportation, there are risks of fire, explosion, and leakage of hazardous materials, posing serious threats to human safety and the environment. To mitigate these possible hazards and decrease their probability, this study proposes a lightweight object detection method for hazardous chemical vehicles based on the YOLOv7-tiny model...
2024: PloS One
#5
JOURNAL ARTICLE
Zeinab Mohammadi-Raigani, Hamid Gholami, Aliakbar Mohamadifar, Aliakbar Nazari Samani, Biswajeet Pradhan
The prediction of suspended sediment load (SSL) within riverine systems is critical to understanding the watershed's hydrology. Therefore, the novelty of our research is developing an interpretable (explainable) model based on deep learning (DL) and Shapley Additive ExPlanations (SHAP) interpretation technique for prediction of SSL in the riverine systems. This paper investigates the abilities of four DL models, including dense deep neural networks (DDNN), long short-term memory (LSTM), gated recurrent unit (GRU), and simple recurrent neural network (RNN) models for the prediction of daily SSL using river discharge and rainfall data at a daily time scale in the Taleghan River watershed, northwestern Tehran, Iran...
April 24, 2024: Environmental Science and Pollution Research International
#6
JOURNAL ARTICLE
Vezha Boboeva, Alberto Pezzotta, Claudia Clopath, Athena Akrami
The central tendency bias, or contraction bias, is a phenomenon where the judgment of the magnitude of items held in working memory appears to be biased toward the average of past observations. It is assumed to be an optimal strategy by the brain and commonly thought of as an expression of the brain's ability to learn the statistical structure of sensory input. On the other hand, recency biases such as serial dependence are also commonly observed and are thought to reflect the content of working memory. Recent results from an auditory delayed comparison task in rats suggest that both biases may be more related than previously thought: when the posterior parietal cortex (PPC) was silenced, both short-term and contraction biases were reduced...
April 24, 2024: ELife
#7
JOURNAL ARTICLE
Seo Yun Kim, Heejung Kim, Wonshik Chee, Eun-Ok Im
BACKGROUND: Despite increased research on breast cancer survivors, little is known about how socio-behavioral factors influence the symptoms among racial/ethnic minority breast cancer survivors, particularly Asian American breast cancer survivors (AABCS). OBJECTIVE: This study examined the relationship between multiple socio-behavioral factors in AABCS, including attitudes, perceived barriers, and social influences, and their symptom experiences, with an emphasis on the mediating effect of self-efficacy...
April 24, 2024: Cancer Nursing
#8
JOURNAL ARTICLE
Regina S Wright, Alexa C Allan, Alyssa A Gamaldo, Adrienne A Morgan, Anna K Lee, Guray Erus, Christos Davatzikos, Desirée C Bygrave
It is not well understood how neighborhood disadvantage is associated with specific domains of cognitive function and underlying brain health within older adults. Thus, the objective was to examine associations between neighborhood disadvantage, brain health, and cognitive performance, and examine whether associations were more pronounced among women. The study included 136 older adults who underwent cognitive testing and MRI. Neighborhood disadvantage was characterized using the Area Deprivation Index (ADI)...
April 24, 2024: Neuropsychology, Development, and Cognition. Section B, Aging, Neuropsychology and Cognition
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JOURNAL ARTICLE
Shaun Andrew Hanycz, Alborz Noorani, Peter Shih-Ping Hung, Matthew R Walker, Ashley B Zhang, Timur H Latypov, Mojgan Hodaie
INTRODUCTION: Patients with chronic pain frequently report cognitive symptoms that affect memory and attention, which are functions attributed to the hippocampus. Trigeminal neuralgia (TN) is a chronic neuropathic pain disorder characterized by paroxysmal attacks of unilateral orofacial pain. Given the stereotypical nature of TN pain and lack of negative symptoms including sensory loss, TN provides a unique model to investigate the hippocampal implications of chronic pain. Recent evidence demonstrated that TN is associated with macrostructural hippocampal abnormalities indicated by reduced subfield volumes; however, there is a paucity in our understanding of hippocampal microstructural abnormalities associated with TN...
June 2024: Pain Reports
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JOURNAL ARTICLE
Hannah Baumeister, Jacob W Vogel, Philip S Insel, Luca Kleineidam, Steffen Wolfsgruber, Melina Stark, Helena M Gellersen, Renat Yakupov, Matthias C Schmid, Falk Lüsebrink, Frederic Brosseron, Gabriel Ziegler, Silka D Freiesleben, Lukas Preis, Luisa-Sophie Schneider, Eike J Spruth, Slawek Altenstein, Andrea Lohse, Klaus Fliessbach, Ina R Vogt, Claudia Bartels, Björn H Schott, Ayda Rostamzadeh, Wenzel Glanz, Enise I Incesoy, Michaela Butryn, Daniel Janowitz, Boris-Stephan Rauchmann, Ingo Kilimann, Doreen Goerss, Matthias H Munk, Stefan Hetzer, Peter Dechent, Michael Ewers, Klaus Scheffler, Anika Wuestefeld, Olof Strandberg, Danielle van Westen, Niklas Mattsson-Carlgren, Shorena Janelidze, Erik Stomrud, Sebastian Palmqvist, Annika Spottke, Christoph Laske, Stefan Teipel, Robert Perneczky, Katharina Buerger, Anja Schneider, Josef Priller, Oliver Peters, Alfredo Ramirez, Jens Wiltfang, Michael T Heneka, Michael Wagner, Emrah Düzel, Frank Jessen, Oskar Hansson, David Berron
Memory clinic patients are a heterogeneous population representing various aetiologies of pathological aging. It is unknown if divergent spatiotemporal progression patterns of brain atrophy, as previously described in Alzheimer's disease (AD) patients, are prevalent and clinically meaningful in this group of older adults. To uncover distinct atrophy subtypes, we applied the Subtype and Stage Inference (SuStaIn) algorithm to baseline structural MRI data from 813 participants enrolled in the DELCODE cohort (mean ± SD age = 70...
April 24, 2024: Brain
#11
JOURNAL ARTICLE
Yingxi He, Yanyou Wang, Xia Li, Yanqiang Qi, Zuwei Qu, Yanli Hu
Lycium barbarum polysaccharide (LBP) have a certain curative effect on hypoglycemic and neuroprotective effects, but the specific mechanism is unclear and needs to be further explored. This study aimed to clarify the mechanisms of LBP in the treatment of ICV-STZ mice model of AD from the perspectives of insulin resistance, IRS1/PI3K/AKT signaling pathway, and synaptic protein expression. We used male C57BL/6J mice injected with STZ (3 mg/kg) in the lateral ventricle as an AD model. After treatment with LBP, the learning and memory abilities of ICV-STZ mice were enhanced, and the pathological changes in brain tissue were alleviated...
April 23, 2024: Neuromolecular Medicine
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JOURNAL ARTICLE
Megan Mey, Sabina Bhatta, Sneha Suresh, Luis Montero Labrador, Helen Piontkivska, Gemma Casadesus
The mechanisms that underly reproductive hormone effects on cognition, neuronal plasticity, and AD risk, particularly in relation to gonadotropin LH receptor (LHCGR) signaling, remain poorly understood. To address this knowledge gap and clarify the impact of circulating steroid hormones the therapeutic effects of CNS LHCGR activation, we delivered the LHCGR agonist human chorionic gonadotropin (hCG) intracerebroventricularly (ICV) and evaluated functional, structural, plasticity-related signaling cascades, Aβ pathology, and transcriptome differences in reproductively intact and ovariectomized (OVX) APP/PS1 AD female mice...
April 21, 2024: Biochimica et Biophysica Acta. Molecular Basis of Disease
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JOURNAL ARTICLE
U Nimitha, P M Ameer
Challenges arise in achieving high-resolution Magnetic Resonance Imaging (MRI) to improve disease diagnosis accuracy due to limitations in hardware, patient discomfort, long acquisition times, and high costs. While Convolutional Neural Networks (CNNs) have shown promising results in MRI super-resolution, they often don't look into the structural similarity and prior information available in consecutive MRI slices. By leveraging information from sequential slices, more robust features can be obtained, potentially leading to higher-quality MRI slices...
April 21, 2024: Magnetic Resonance Imaging
#14
JOURNAL ARTICLE
Veronica Diveica, Emiko J Muraki, Richard J Binney, Penny M Pexman
Multiple representation theories posit that concepts are represented via a combination of properties derived from sensorimotor, affective, and linguistic experiences. Recently, it has been proposed that information derived from social experience, or socialness, represents another key aspect of conceptual representation. How these various dimensions interact to form a coherent conceptual space has yet to be fully explored. To address this, we capitalized on openly available word property norms for 6339 words and conducted a large-scale investigation into the relationships between 18 dimensions...
April 22, 2024: Cognition
#15
REVIEW
Eleni Memi, Polina Pavli, Papagianni Maria, Nikolaos Vrachnis, George Mastorakos
Progesterone is a natural steroid hormone, while progestins are synthetic molecules. In the female reproductive system, progesterone contributes to the control of luteinizing hormone and follicle-stimulating hormone secretion and their pulsatility, via its receptors on the kisspeptin, neurokinin B, and dynorphin neurons in the hypothalamus. Progesterone together with estradiol controls the cyclic changes of proliferation and decidualization of the endometrium; exerts anti-mitogenic actions on endometrial epithelial cells; regulates normal menstrual bleeding; contributes to fertilization and pregnancy maintenance; participates in the onset of labor...
April 23, 2024: Reviews in Endocrine & Metabolic Disorders
#16
JOURNAL ARTICLE
Ally R Swank, Claire B Tracy, Mary T Mendonça, Moisés A Bernal
Sea surface temperatures are rising at unprecedented rates, leading to a progressive degradation of complex habitats formed by coral reefs. In parallel, acute thermal stress can lead to physiological challenges for ectotherms that inhabit coral reefs, including fishes. Warming and habitat simplification could push marine fishes beyond their physiological limits in the near future. Specifically, questions remain on how warming and habitat structure influence the brain of marine fishes. Here we evaluated how thermal stress and habitat loss are acting independently and synergistically as stressors in a damselfish of the Western Atlantic, Abudefduf saxatilis...
April 23, 2024: Journal of Heredity
#17
REVIEW
Shengzhe Jia, Bingbing Yang, Jing Du, Yujiang Xie, Liuyang Yu, Yuan Zhang, Tiantian Tao, Weiwei Tang, Junbo Gong
Cellulose nanocrystal (CNC), as a renewable resource, with excellent mechanical performance, low thermal expansion coefficient, and unique optical performance, is becoming a novel candidate for the development of smart material. Herein, the recent progress of CNC-based chirality nanomaterials is uncovered, mainly covering structure regulations and function design. Undergoing a simple evaporation process, the cellulose nanorods can spontaneously assemble into chiral nematic films, accompanied by a vivid structural color...
April 23, 2024: Small
#18
JOURNAL ARTICLE
Osama A Abulseoud, Elisabeth C Caparelli, Janina Krell-Roesch, Yonas E Geda, Thomas J Ross, Yihong Yang
BACKGROUND: We investigated a potential sex difference in the relationship between alcohol consumption, brain age gap and cognitive function in older adults without cognitive impairment from the population-based Mayo Clinic Study of Aging. METHODS: Self-reported alcohol consumption was collected using the food-frequency questionnaire. A battery of cognitive testing assessed performance in four different domains: attention, memory, language, and visuospatial. Brain magnetic resonance imaging (MRI) was conducted using 3-T scanners (Signa; GE Healthcare)...
2024: Frontiers in Psychiatry
#19
JOURNAL ARTICLE
Caroline Fernandes, Leticia Forny-Germano, Mayara M Andrade, Natalia M Lyra E Silva, Angela M Ramos-Lobo, Fernanda Meireles, Fernanda Tovar-Moll, Jean Christophe Houzel, Jose Donato, Fernanda G De Felice
Obesity is a chronic disease caused by excessive fat accumulation that impacts the body and brain health. Insufficient leptin or leptin receptor (LepR) are involved in the disease pathogenesis. Leptin is involved with several neurological processes, and it has critical developmental roles. We have previously demonstrated that leptin deficiency in early life leads to permanent developmental problems, including energy homeostasis imbalance, melanocortin and reproductive system alterations and brain mass reduction in young adult mice...
April 23, 2024: Brain
#20
JOURNAL ARTICLE
Yuanyuan Yang, Yajing Shen
Plant species like the Venus flytrap possess unique abilities to intelligently respond to various external stimuli, ensuring successful prey capture. Their nerve-devoided structure provides valuable insights for exploring natural intelligence and constructing intelligent systems solely from materials, but limited knowledge is currently available and the engineering realization of such concept remains a significant challenge. Drawing upon the flytrap's action potential resulting from ion diffusion, we propose a signal accumulation/attenuation model and a corresponding liquid metal-based logic module, which operates on the basis of the shape change of liquid metal within a sodium hydroxide buffer solution...
April 22, 2024: Nature Communications
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