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Human short-term memory learning based on dynamic glutamate levels and oscillatory activities: concurrent metabolic and electrophysiological studies using event-related functional-MRS and EEG modalities

Author(s): Mohammadi H; Zargaran SJ; Khajehpour H; Adibi I; Rahimiforoushani A; Karimi S; Serej ND; Alam NR;

Short-term memory (STM) temporarily stores sensory information, critical for synaptic plasticity, memory, and learning, and is regulated by the glutamate-gated NMDA receptor. While the frontal and parieto-occipital cortices have been implicated in STM, the electrochemical dynamics of the right he ...

Article GUID: 41171530


Climate variability is an important driver of water treatability in a shallow reservoir

Author(s): Spence DS; Painter KJ; Nazemi A; Venkiteswaran JJ; Baulch HM;

Drinking water treatability is defined by multiple parameters that are strongly impacted by climatic and anthropogenic drivers. Working in a shallow reservoir in the Canadian Prairies, generalized additive models (GAMs) were applied to a 33-year dataset to identify drivers of interannual variability in multiple indicators of drinking water treatability. I ...

Article GUID: 41166973


Auditory and vibrotactile interactions in perception of timbre acoustic features

Author(s): Chauvette L; Sophie Grenier A; Albouy P; Coffey E; Zatorre R; Sharp A;

Recently, there has been increasing interest in developing auditory-to-vibrotactile sensory devices. However, the potential of these technologies is constrained by our limited understanding of which features of complex sounds can be perceived through vibrations. The present study aimed to investigate the vibrotactile perception of acoustic features relate ...

Article GUID: 41168236


Effects of delayed post-polymerization on physical, chemical, and biological properties of a 3D printing interim resin

Author(s): Choi Y; Comeau P; Lim BS; Manso AP; Chung SH;

Objectives: This study evaluated the effects of delayed post-polymerization on color, degree of conversion (DC), flexural strength (FS), and cellular response of a 3D-printed dental interim resin. Methods: Specimens were divided into six groups based on delays of 0 h, 2 h, 4 h, 6 h, 8 h, and 10 h before post-polymerization. Color was characterized using ...

Article GUID: 41152035


Robust and Compact Electrostatic Comb Drive Arrays for High-Performance Monolithic Silicon Photonics

Author(s): Fasihanifard M; Packirisamy M;

Actuating monolithic photonic components (particularly slab waveguides) requires higher force due to their inherent stiffness. However, two primary constraints must be addressed: actuator footprint and fabrication limits. Increasing the number of fingers to provide the required force is not a viable solution due to space constraints, and we must also adhe ...

Article GUID: 41156349


Manganese-Based Spinel Cathodes: A Promising Frontier for Solid-State Lithium-Ion Batteries

Author(s): Dou Y; Zhou S; Dawkins JIG; Zaghib K; Amine K; Xu GL; Deng S;

Recently, all-solid-state lithium-ion batteries (ASSLIBs), which exhibit improved safety and enhanced energy density compared to conventional commercialized lithium-ion batteries (LIBs), thereby have garnered extensive research interest. Among the promising cathode candidates, Mn-based spinel cathodes LiMn2O4 (LMO) and LiNi0.5Mn1.5O4 (LNMO), with the uniq ...

Article GUID: 41137442


Effects of cognitive-behavioral therapy for insomnia during sedative-hypnotics withdrawal on sleep and cognition in older adults

Author(s): Barbaux L; Cross NE; Perrault AA; Es-Sounni M; Desrosiers C; Clerc D; Andriamampionona F; Lussier D; Tannenbaum C; Guimond A; Grenier S; Gouin JP; Dang-Vu TT;

Objectives: Our objective was to assess the effect of cognitive-behavioral therapy for insomnia (CBTi) on subjective and objective sleep quality (including sleep spindles) and cognition during a sedative-hypnotics withdrawal program in older adults with insomnia disorder.

Article GUID: 41092866


Contrasting microbial assembly patterns in the woody endosphere of hybrid and non-hybrid em Populus /em trees

Author(s): Grant KR; Kembel SW; Naik S; Dayanandan S;

Endophytes asymptomatically infect virtually all plant species, yet little is known about endophyte community assembly and diversity within the woody tissues of forest trees. We utilised phylogenetic null models of alpha (ses.MNTDab and ses.MPDab) and beta diversity (ses.ßMNTDab and ses.ßMPDab) to infer the role of deterministic and stochastic ecological ...

Article GUID: 41089252


The Bug-Network (BugNet): A Global Experimental Network Testing the Effects of Invertebrate Herbivores and Fungal Pathogens on Plant Communities and Ecosystem Function in Open Ecosystems

Author(s): Kempel A; Adamidis GC; Anadón JD; Atkinson J; Auge H; Avtzis D; Bachelot B; Bashirzadeh M; Bota JL; Classen A; Constantinou I; Crawley M; de Bellis T; Dostal P; Ebeling A; Eisenhauer N; Eldridge DJ; Encina G; Estrada C; Everingham S; Fan ...

Plants are consumed by a variety of organisms, including herbivores and pathogens, which significantly impact plant biomass, diversity, community composition, and ecosystem functioning. While the impacts of vertebrate herbivores are well established, the effects of consumer groups such as insect ...

Article GUID: 41080499


Scalable Synthesis of High-Quality Graphene Quantum Dots by Reductive Intercalation/Exfoliation of Coal

Author(s): Bepete G; Ratnayake G; Sanchez DE; Yu Z; Dimitrov E; Fest Carreno A; Oliveira MCD; Viana BC; Santos FEP; Terrones M;

Coal, historically a low-cost and abundant energy resource, is emerging as a promising carbon-rich precursor for advanced nanomaterials. In this work, we introduce a reductive intercalation strategy to synthesize reduced (electron-rich) graphene quantum dots (GQDs) directly from anthracite coal. ...

Article GUID: 41081673


Cerebral small vessel disease lesion segmentation methods: A systematic review

Author(s): Phelps J; Singh M; McCreary CR; Dallaire-Théroux C; Stein RG; Potvin-Jutras Z; Guan DX; Wu JD; Metz A; Smith EE;

Cerebral small vessel disease (CSVD) can manifest as brain lesions visible on magnetic resonance imaging, including white matter hyperintensities (WMH), cerebral microbleeds (CMB), perivascular spaces (PVS), lacunes, and recent small subcortical infarcts (RSSI). Detection and segmentation of thes ...

Article GUID: 41080650


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