AIMC Topic: Synapses

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Synaptic Mechanisms of Memory Consolidation during Sleep Slow Oscillations.

The Journal of neuroscience : the official journal of the Society for Neuroscience Apr 13, 2016
UNLABELLED: Sleep is critical for regulation of synaptic efficacy, memories, and learning. However, the underlying mechanisms of how sleep rhythms contribute to consolidating memories acquired during wakefulness remain unclear. Here we studied the ro...
Synapses Sleep Electroencephalography Neurons Memory Neural Networks, Computer Thalamus Algorithms Sodium Channels Calcium Channels Humans Neuronal Plasticity Cerebral Cortex Models, Neurological Computer Simulation
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Fully parallel write/read in resistive synaptic array for accelerating on-chip learning.

Nanotechnology Nov 13, 2015
A neuro-inspired computing paradigm beyond the von Neumann architecture is emerging and it generally takes advantage of massive parallelism and is aimed at complex tasks that involve intelligence and learning. The cross-point array architecture with ...
Neural Networks, Computer Unsupervised Machine Learning Semiconductors Synapses Learning Models, Theoretical Computing Methodologies Electric Impedance Pattern Recognition, Automated
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A Lognormal Recurrent Network Model for Burst Generation during Hippocampal Sharp Waves.

The Journal of neuroscience : the official journal of the Society for Neuroscience Oct 28, 2015
The strength of cortical synapses distributes lognormally, with a long tail of strong synapses. Various properties of neuronal activity, such as the average firing rates of neurons, the rate and magnitude of spike bursts, the magnitude of population ...
Electrophysiological Phenomena Adaptation, Physiological Pyramidal Cells Synapses Hippocampus CA1 Region, Hippocampal CA3 Region, Hippocampal Humans Models, Neurological Neural Networks, Computer Action Potentials Algorithms Computer Simulation
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Constructing Precisely Computing Networks with Biophysical Spiking Neurons.

The Journal of neuroscience : the official journal of the Society for Neuroscience Jul 15, 2015
UNLABELLED: While spike timing has been shown to carry detailed stimulus information at the sensory periphery, its possible role in network computation is less clear. Most models of computation by neural networks are based on population firing rates....
Neural Networks, Computer Computer Simulation Animals Biophysical Phenomena Nerve Net Biophysics Models, Neurological Action Potentials Neurons Synapses
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Training and operation of an integrated neuromorphic network based on metal-oxide memristors.

Nature May 7, 2015
Despite much progress in semiconductor integrated circuit technology, the extreme complexity of the human cerebral cortex, with its approximately 10(14) synapses, makes the hardware implementation of neuromorphic networks with a comparable number of ...
Engineering Synapses Transistors, Electronic Nanotechnology Algorithms Biomimetics Metals Equipment Design Humans Models, Neurological Semiconductors Oxides Neural Networks, Computer Electronics
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An astrocyte neuromorphic circuit that influences neuronal phase synchrony.

IEEE transactions on biomedical circuits and systems Apr 1, 2015
Neuromorphic circuits are designed and simulated to emulate the role of astrocytes in phase synchronization of neuronal activity. We emulate, to a first order, the ability of slow inward currents (SICs) evoked by the astrocyte, acting on extrasynapti...
Neurons Synapses Hippocampus Receptors, N-Methyl-D-Aspartate Astrocytes Equipment Design Humans Neural Networks, Computer
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