Results 91 to 100 of about 408,389 (348)

Meta-Potentiation: Neuro-Astroglial Interactions Supporting Perceptual Consciousness [PDF]

open access: yes, 2007
Conscious perceptual processing involves the sequential activation of cortical networks at several brain locations, and the onset of oscillatory synchrony affecting the same neuronal population.
Alfredo Pereira Jr, Fá
core   +2 more sources

Associative properties of structural plasticity based on firing rate homeostasis in recurrent neuronal networks

open access: yes, 2018
Correlation-based Hebbian plasticity is thought to shape neuronal connectivity during development and learning, whereas homeostatic plasticity would stabilize network activity.
Gallinaro, Júlia V, Rotter, Stefan
core   +2 more sources

Control over stress induces plasticity of individual prefrontal cortical neurons: A conductance-based neural simulation [PDF]

open access: yes, 2012
Behavioral control over stressful stimuli induces resilience to future conditions when control is lacking. The medial prefrontal cortex(mPFC) is a critically important brain region required for plasticity of stress resilience. We found that control over stress induces plasticity of the intrinsic voltage-gated conductances of pyramidal neurons in the ...
arxiv   +1 more source

Organic Ferroelectric Synaptic Transistors for Neural Image Recognition Networks

open access: yesAdvanced Materials Interfaces, EarlyView.
All organic transistors, where both the dielectric and semiconducting layers are polymeric, are developed as electrical synaptic devices. Two copolymers of PVDF as the dielectric layer with large differences in their saturation polarizability and memory window are chosen.
Evan Restuccia   +2 more
wiley   +1 more source

Gamma rhythms and beta rhythms have different synchronization properties [PDF]

open access: yes, 2000
Experimental and modeling efforts suggest that rhythms in the CA1 region of the hippocampus that are in the beta range (12-29 Hz) have a different dynamical structure than that of gamma (30-70 Hz).
Ermentrout, G.B.   +3 more
core   +2 more sources

Bayesian inference of synaptic quantal parameters from correlated vesicle release

open access: yesFrontiers in Computational Neuroscience, 2016
Synaptic transmission is both history-dependent and stochastic, resulting in varying responses to presentations of the same presynaptic stimulus. This complicates attempts to infer synaptic parameters and has led to the proposal of a number of different ...
Alexander D Bird   +4 more
doaj   +1 more source

Increased ribosomal protein levels and protein synthesis in the striatal synaptosome of Shank3-overexpressing transgenic mice

open access: yesMolecular Brain, 2021
The SH3 and multiple ankyrin repeat domains 3 (Shank3) protein is a core organizer of the macromolecular complex in excitatory postsynapses, and its defects cause numerous synaptopathies, including autism spectrum disorders.
Chunmei Jin   +13 more
doaj   +1 more source

Muscle‐Derived Small Extracellular Vesicles Mediate Exercise‐Induced Cognitive Protection in Chronic Cerebral Hypoperfusion

open access: yesAdvanced Science, EarlyView.
sEVs have a critical role in orchestrating interorgan crosstalk and mediating exercise‐induced therapeutic effects. Lin et al. demonstrates that sEVs miR‐17/20a‐5p mediates the muscle‐brain crosstalk and emphasizes the central role of mTOR signaling in executing molecular programs that can protect brain health in response to exercise. Abstract Physical
Huawei Lin   +21 more
wiley   +1 more source

Artificial synapses with photoelectric plasticity and memory behaviors based on charge trapping memristive system

open access: yesMaterials & Design, 2020
Imitation of memory and learning behaviors of nervous system by nanoscale photoelectric devices is highly desirable for building neuromorphic systems or even artificial neural networks.
Zhiliang Chen   +8 more
doaj  

The Mechanistic Basis for Successful Spinal Cord Stimulation to Generate Steady Motor Outputs

open access: yesFrontiers in Cellular Neuroscience, 2019
Electrical stimulation of the spinal cord is a promising rehabilitation intervention to restore/augment motor function after spinal cord injury (SCI).
Amr A. Mahrous   +4 more
doaj   +1 more source

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