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G protein-coupled estrogen receptor-1 enhances excitatory synaptic responses in the entorhinal cortex

Author(s): Batallán Burrowes AA; Sundarakrishnan A; Bouhour C; Chapman CA;

Activation of estrogen receptors is thought to modulate cognitive function in the hippocampus, prefrontal cortex, and striatum by affecting both excitatory and inhibitory synaptic transmission. The entorhinal cortex is a major source of cortical sensory and associational input to the hippocampus, but it is unclear whether either estrogens or progestogens ...

Article GUID: 34399010


Visual Performance and Cortical Atrophy in Vision-Related Brain Regions Differ Between Older Adults with (or at Risk for) Alzheimer's Disease

Author(s): Sana Rehan

CONCLUSION: Our findings demonstrate poor visual performance in AD and that both group membership and visual performance are predictors of cortical pathology, consistent with the idea that atrophy in visual areas and pathways contributes to the functional vision deficits observed in AD.

Article GUID: 34397410


Towards a better understanding of deep convolutional neural network processes for recognizing organic chemicals of environmental concern

Author(s): Sun X; Zhang X; Wang L; Li Y; Muir DCG; Zeng EY;

Deep convolutional neural network (DCNN) has proved to be a promising tool for identifying organic chemicals of environmental concern. However, the uncertainty associated with DCNN predictions remains to be quantified. The training process contains many random configurations, including dataset segmentation, input sequences, and initial weight, etc. Moreov ...

Article GUID: 34388923


Transcriptome-Wide Off-Target Effects of Steric-Blocking Oligonucleotides

Author(s): Holgersen EM; Gandhi S; Zhou Y; Kim J; Vaz B; Bogojeski J; Bugno M; Shalev Z; Cheung-Ong K; Gonçalves J; O' Hara M; Kron K; Verby M; Sun M; Kakaradov B; Delong A; Merico D; Deshwar AG;

Steric-blocking oligonucleotides (SBOs) are short, single-stranded nucleic acids designed to modulate gene expression by binding to RNA transcripts and blocking access from cellular machinery such as splicing factors. SBOs have the potential to bind to near-complementary sites in the transcriptom ...

Article GUID: 34388351


Elucidating the mechanism of dual-fluorescence in carbon dots

Author(s): Macairan JR; de Medeiros TV; Gazzetto M; Yarur Villanueva F; Cannizzo A; Naccache R;

Carbon dots have garnered significant attention owing to their versatile and highly tunable optical properties; however, the origins and the underlying mechanism remains a subject of debate especially for dual fluorescent systems. Here, we have prepared carbon dots from glutathione and formamide precursors via a one-pot solvothermal synthesis. Steady stat ...

Article GUID: 34388574


Seizing the opportunity: Lifespan differences in the effects of the opportunity cost of time on cognitive control

Author(s): Devine S; Neumann C; Otto AR; Bolenz F; Reiter A; Eppinger B;

Previous work suggests that lifespan developmental differences in cognitive control reflect maturational and aging-related changes in prefrontal cortex functioning. However, complementary explanations exist: It could be that children and older adults differ from younger adults in how they balance the effort of engaging in control against its potential ben ...

Article GUID: 34384965


A Simulation Toolkit for Testing the Sensitivity and Accuracy of Corticometry Pipelines

Author(s): OmidYeganeh M; Khalili-Mahani N; Bermudez P; Ross A; Lepage C; Vincent RD; Jeon S; Lewis LB; Das S; Zijdenbos AP; Rioux P; Adalat R; Van Eede MC; Evans AC;

In recent years, the replicability of neuroimaging findings has become an important concern to the research community. Neuroimaging pipelines consist of myriad numerical procedures, which can have a cumulative effect on the accuracy of findings. To address this problem, we propose a method for si ...

Article GUID: 34381348


Identification of point source emission in river pollution incidents based on Bayesian inference and genetic algorithm: Inverse modeling, sensitivity, and uncertainty analysis

Author(s): Zhu Y; Chen Z; Asif Z;

Identification of pollution point source in rivers is strenuous due to accidental chemical spills or unmanaged wastewater discharges. It is crucial to take physical characteristics into account in the estimation of pollution sources. In this study, an integrated inverse modeling framework is developed to identify a point source of accidental water polluti ...

Article GUID: 34380214


Influence of Polymer Molecular Weight on Chain Conformation at the Polystyrene/Silver Interface

Author(s): de Lima BM; Hayes PL; Wood-Adams PM;

The dependence between the conformation of polystyrene (PS) and its molecular weight (Mw) in the vicinity of a metal interface was investigated by sum frequency generation (SFG) spectroscopy. Tilt angles ? = 50° (the angle between the C2 axis of the pendant phenyl ring and the surface normal) were observed for all samples because of the interaction betwee ...

Article GUID: 34379428


Agency rescues competition for credit assignment among predictive cues from adverse learning conditions

Author(s): Kang M; Reverte I; Volz S; Kaufman K; Fevola S; Matarazzo A; Alhazmi FH; Marquez I; Iordanova MD; Esber GR;

A fundamental assumption of learning theories is that the credit assigned to predictive cues is not simply determined by their probability of reinforcement, but by their ability to compete with other cues present during learning. This assumption has guided behavioral and neural science research f ...

Article GUID: 34376741


Flame-Retardant and Polysulfide-Suppressed Ether-Based Electrolytes for High-Temperature Li-S Batteries

Author(s): He M; Li X; Holmes NG; Li R; Wang J; Yin G; Zuo P; Sun X;

Lithium-sulfur (Li-S) batteries are drawing huge attention as attractive chemical power sources. However, traditional ether-based solvents (DME/DOL) suffer from safety issues at high temperatures and serious parasitic reactions occur between the Li metal anodes and soluble lithium polysulfides (LiPSs). Herein, we propose a polysulfide-suppressed and flame ...

Article GUID: 34370436


Having the Cake and Eating It Too: First-Order, Second-Order and Bifactor Representations of Work Engagement

Author(s): Salamon J; Tóth-Király I; Bõthe B; Nagy T; Orosz G;

Even though work engagement is a popular construct in organizational psychology, the question remains whether it is experienced as a global construct, or as its three components (vigor, dedication, absorption). The present study thus contributes to the ongoing scientific debate about the dimensionality of work engagement systematically compared one-factor ...

Article GUID: 34366951


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