Results 91 to 100 of about 233,602 (313)
, 2019 Neurons are electrically excitable nerve cells, communicating with each other at specific points of contacts called synapses. In order to understand how the brain processes information from the outside world and from internal models (memories), it is ...
Hoehne, Andréas
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New ways of looking at synapses [PDF]
, 2007 Current concepts of synaptic fine-structure are derived from electron microscopic studies of tissue fixed by chemical fixation using aldehydes. However, chemical fixation with glutaraldehyde and paraformaldehyde and subsequent dehydration in ethanol ...
Graber, Werner +4 more
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Advanced Functional Materials, EarlyView.Forming‐free epitaxial Pt/La0.5Sr0.5CoOx (LSCO)/La0.5Sr0.5MnO3 (LSMO) memristors exhibit heterogeneous and partially reversible topotactic switching involving brownmillerite (BM)‐, Grenier (GN)‐like‐, and perovskite (PV)‐like configurations. Atomic‐resolution scanning transmission electron microscopy and in situ transmission electron microscopy resolve
Zi‐Qin Hong +5 more
wiley +1 more source
A VLSI reconfigurable network of integrate-and-fire neurons with spike-based learning synapses [PDF]
, 2004 Indiveri G, Chicca E, Douglas R. A VLSI reconfigurable network of integrate-and-fire neurons with spike-based learning synapses. Presented at the Proceedings of 12th European Symposium on Artificial Neural Networks (ESANN), Bruges (Belgium).We present a ...
Douglas, R. +2 more
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Heterologous contact at dopamine synapses [PDF]
, 2016 Midbrain dopamine neurons project densely to the striatum and form so-called dopamine synapses on medium spiny neurons (MSNs), principal neurons in the striatum.
Ohtsuka, Toshihisa +3 more
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Advanced Functional Materials, EarlyView.Neuromorphic plasticity in OECTs is governed by the post‐stimulus evolution of coupled ionic and electronic states. Semiconductor chemistry and morphology, electrolyte composition and interfaces, and device architecture regulate ion injection, transport, confinement, and release, shifting responses from rapidly relaxing STP to metastable memory and ...
Inho Lee +9 more
wiley +1 more source
Optimal Learning Rules for Discrete Synapses [PDF]
, 2008 There is evidence that biological synapses have a limited number of discrete weight states. Memory storage with such synapses behaves quite differently from synapses with unbounded, continuous weights, as old memories are automatically overwritten by new
Adam B Barrett +7 more
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Advancing Human Skin Equivalents: The Crucial Role of Neurovascular Integration
Advanced Healthcare Materials, EarlyView.This review discusses the importance of integrating vascular and peripheral nerve systems into human skin equivalents (HSEs) to better recapitulate native skin physiology. Recent advances in vascularized, innervated, and neurovascularized HSEs are highlighted, together with emerging bioengineering strategies, current challenges, and future ...
Hao Wu +4 more
wiley +1 more source
Chalcogenide microfiber photonic synapses
Optical axons and photonic synapses implemented using chalcogenide microfibers allow the generation and propagation of photonic action potentials which give rise to the demonstration of various neuromorphic ...
Soci, C. +7 more
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Advanced Healthcare Materials, EarlyView.Inspired by conventional cell therapy and emerging bioengineering approaches, the tissue‐engineered nigrostriatal pathway (TE‐NSP) has an anatomically‐inspired design comprising a population of human dopaminergic neurons with unidirectional, long‐projecting axon tracts.
Wisberty J. Gordián‐Vélez +8 more
wiley +1 more source