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The Mind Behind the Hebbian Synapse Donald O Hebb

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Validation of NLFEA of Reinforced Concrete Walls Under Bidirectional Loading

Katrin Beyer, Beatrice Belletti

Nonlinear Finite Element Analysis (NLFEA) of the inelastic behaviour of RC walls are often carried out for uni-directional (in-plane) horizontal cyclic loading. In this paper the behaviour of RC walls with different cross-sections (T-shaped and U-shaped) s ...

SPRINGER INTERNATIONAL PUBLISHING AG2018

The temporal paradox of Hebbian learning and homeostatic plasticity

Wulfram Gerstner, Friedemann Zenke

Hebbian plasticity, a synaptic mechanism which detects and amplifies co-activity between neurons, is considered a key ingredient underlying learning and memory in the brain. However, Hebbian plasticity alone is unstable, leading to runaway neuronal activit ...

Elsevier2017

We review a body of theoretical and experimental research on Hebbian and homeostatic plasticity, starting from a puzzling observation: while homeostasis of synapses found in experiments is a slow compensatory process, most mathematical models of synaptic p ...

Royal Soc2017

Timed Synaptic Inhibition Shapes NMDA Spikes, Influencing Local Dendritic Processing and Global I/O Properties of Cortical Neurons

Henry Markram, Eilif Benjamin Muller, Idan Segev, Giuseppe Chindemi, Michael Doron

The NMDA spike is a long-lasting nonlinear phenomenon initiated locally in the dendritic branches of a variety of cortical neurons. It plays a key role in synaptic plasticity and in single-neuron computations. Combining dynamic system theory and computatio ...

2017

Validation of NLFEA of reinforced concrete walls under bidirectional loading

Katrin Beyer, João Saraiva Esteves Pacheco de Almeida, Beatrice Belletti

2016

Water retention behaviour and microstructural evolution of MX-80 granular bentonite during wetting and drying cycles

Lyesse Laloui, Alessio Ferrari, Ali Seiphoori

MX-80 bentonite used in engineered barrier systems would be subjected to wetting and drying cycles. To assess the response of the material under such circumstances, a comprehensive experimental characterisation of the water retention behaviour of compacted ...

2014

Unpleasant Design

Unpleasant Design book is a collection of different research approaches to contemporary urban phenomenon in which social control and is inherent in the design of objects and places. With many examples to be found across cities worldwide, Unpleasant Design ...

G.L.O.R.I.A.2013

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A major challenge in studying social behaviour stems from the need to disentangle the behaviour of each individual from the resulting collective. One way to overcome this problem is to construct a model of the behaviour of an individual, and observe whethe ...

Wiley-Blackwell2013

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Hebbian changes of excitatory synapses are driven by and further enhance correlations between pre- and postsynaptic activities. Hence, Hebbian plasticity forms a positive feedback loop that can lead to instability in simulated neural networks. To keep acti ...

Public Library of Science2013

The information processing abilities of neural circuits arise from their synaptic connection patterns. Understanding the laws governing these connectivity patterns is essential for understanding brain function. The overall distribution of synaptic strength ...

Public Library Science2013