Results 71 to 80 of about 410,622 (285)

Acetylcholinesterase activity in the pons and medulla oblongata of rats after chronic electroconvulsive shock

open access: yesBrazilian Journal of Medical and Biological Research, 1997
An imbalance between cholinergic and noradrenergic neurotransmission has been proposed for the etiology of affective disorders. According to this hypothesis, depression would be the result of enhanced cholinergic and reduced noradrenergic ...
R. Camarini, M.A.C. Benedito
doaj   +1 more source

Dual Bipolar Resistive Switching in Wafer‐Scalable 2D Perovskite Oxide Nanosheets‐Based Memristor

open access: yesAdvanced Science, EarlyView.
A wafer‐scalable memristor based on 2D Sr2Nb3O₁₀ perovskite oxide nanosheets exhibits dual bipolar resistive switching through controllable oxygen ion migration and redox reactions. This single device enables both STDP and anti‐STDP synaptic functions, achieving 86.4% MNIST accuracy in supervised spiking neural networks, offering a compact, energy ...
Sohwi Kim   +11 more
wiley   +1 more source

Diffusion Tensor Tractography of the Brainstem Pyramidal Tract: A Study on the Optimal Reduction Factor in Parallel Imaging

open access: yes대한영상의학회지, 2016
Purpose Parallel imaging mitigates susceptibility artifacts that can adversely affect diffusion tensor tractography (DTT) of the pons depending on the reduction (R) factor. We aimed to find the optimal R factor for DTT of the pons that would allow us to
Yun Jung Bae   +4 more
doaj   +1 more source

Counting smaller elements in the Tamari and m-Tamari lattices

open access: yes, 2015
We introduce new combinatorial objects, the interval- posets, that encode intervals of the Tamari lattice. We then find a combinatorial interpretation of the bilinear operator that appears in the functional equation of Tamari intervals described by ...
Chatel, Grégory, Pons, Viviane
core   +3 more sources

Dorsal Raphe VIP Neurons Are Critical for Survival‐Oriented Vigilance

open access: yesAdvanced Science, EarlyView.
DRNVIP neurons in mice and primates are strategically positioned to influence the central extended amygdala via feedback loops. They regulate the excitability of PKC‐δ neurons in the ovBNST and CeA through glutamate release. Their ablation heightens activity in these regions, disrupts active‐phase sleep architecture, enhances risk assessment behaviors ...
Adriane Guillaumin   +15 more
wiley   +1 more source

Evaluation and improvement of the motivational profile of compulsory secondary education students. [PDF]

open access: yes, 2019
Treball Final de Grau en Psicologia. Codi: PS1048. Curs: 2018/2019.The present study is based on the Educational Situation Quality Model (MOCSE) proposed by Doménech (2017).
Pons Cebrià, Aurora
core  

Comparative Neuromechanical Wing‐Actuation Architectures of Flapping Flight in Insects, Hummingbirds, and Robots

open access: yesAdvanced Intelligent Systems, EarlyView.
Natural fliers achieve remarkable aerial performance through diverse wing neuromechanical systems integrating actuation, sensing, and control. This study synthesizes neuromechanical architectures in insects and hummingbirds, identifying two key functional types‐Dual Neural‐Mechanical Oscillator and Neurally‐modulated Mechanical Oscillator‐ and ...
Suyash Agrawal   +4 more
wiley   +1 more source

Neurodevelopmental Hypothesis about the Etiology of Autism Spectrum Disorders

open access: yesFrontiers in Human Neuroscience, 2017
Previous models or hypotheses of autism spectral disorder (ASD) failed to take into full consideration the chronological and causal developmental trajectory, leading to the emergence of diverse phenotypes through a complex interaction between individual ...
Toshio Inui   +2 more
doaj   +1 more source

Infantile‐Onset Ascending Hereditary Spastic Paraplegia due to a Homozygous ALS2 Exons 24–25 Deletion: Expanding the Genotypic Spectrum

open access: yesAmerican Journal of Medical Genetics Part A, EarlyView.
ABSTRACT We describe a novel homozygous intragenic deletion in the ALS2 gene in an 8‐year‐old boy with Infantile‐onset Ascending Hereditary Spastic Paraplegia (IAHSP) and oculomotor apraxia, thereby contributing to the expanding genetic landscape of ALS2‐related disorders.
Vito Luigi Colona   +15 more
wiley   +1 more source

Comparative morphometry of the brainstem of the male and female Helmeted Guinea Fowl (Numida meleagris)

open access: yesAgricultura Tropica et Subtropica, 2018
The aim of this study was to obtain base-line morphometric data on the whole brain and brainstem in the adult male and female helmeted guinea fowl (Numida meleagris), and compare the result in the two sexes. Brain samples of seventy adult helmeted guinea
Adam Mohammed   +4 more
doaj   +1 more source

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