Concept

Electrical synapse

Related publications (94)

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Ca2+ channels and transmitter release at the active zone

Ralf Schneggenburger, Olexiy Kochubey, Yunyun Han

Ca2+-dependent transmitter release is the most important signaling mechanism for fast information transfer between neurons. Transmitter release takes places at highly specialized active zones with sub-micrometer dimension, which contain the molecular machi ...

Elsevier2012

A Hybrid Bio-Organic Interface For Neuronal Photo-Activation

Diego Ghezzi

A key issue toward the realization of retinal prosthetic devices is a reliable transduction of the information carried by light into specific patterns of electrical activity at the level of the networks involved in visual information processing. In this pe ...

2012

Piezoresistive effect in epoxy–graphite composites

Peter Ryser, Thomas Maeder

In this work, we investigate the piezoresistive response of epoxy–graphite composites. A resistive thick-film Wheatstone bridge is deposited by screen-printing onto a beam, a weight is then applied on the tip of the beam and the resulting electrical signal ...

Elsevier2012

Doesspike-timing-dependent synaptic plasticity couple or decouple neurons firing in synchrony?

Marc-Oliver Gewaltig

Spike synchronization is thought to have a constructive role for feature integration, attention, associative learning, and the formation of bidirectionally connected Hebbian cell assemblies. By contrast, theoretical studies on spike-timing-dependent plasti ...

Frontiers Res Found2012

Phosphoinositide-3-kinase activation controls synaptogenesis and spinogenesis in hippocampal neurons

Maria del Carmen Sandi Perez

The possibility of changing the number of synapses may be an important asset in the treatment of neurological diseases. In this context, the synaptogenic role of the phosphoinositide-3-kinase (PI3K) signaling cascade has been previously demonstrated in Dro ...

Society for Neuroscience2011

SWNT array resonant gate MOS transistor

Mihai Adrian Ionescu, Anupama Arun

We show that thin horizontal arrays of single wall carbon nanotubes (SWNTs) suspended above the channel of silicon MOSFETs can be used as vibrating gate electrodes. This new class of nano-electromechanical system (NEMS) combines the unique mechanical and e ...

2011

Interregional synaptic competition in neurons with multiple STDP-inducing signals

Idan Segev

Neocortical layer 5 (L5) pyramidal cells have at least two spike initiation zones: Na+ spikes are generated near the soma, and Ca2+ spikes at the apical dendritic tuft. These spikes interact with each other and serve as signals for synaptic plasticity. The ...

2011

Interregional synaptic competition in neurons with multiple STDP-inducing signals

Idan Segev

Neocortical layer 5 (L5) pyramidal cells have at least two spike initiation zones: Na(+) spikes are generated near the soma, and Ca(2+) spikes at the apical dendritic tuft. These spikes interact with each other and serve as signals for synaptic plasticity. ...

American Physiological Society2011

RIM Determines Ca²+ Channel Density and Vesicle Docking at the Presynaptic Active Zone

Yunyun Han

Fast neurotransmitter release is essential for neuron-neuron communication and is initiated by the opening of voltage-gated Ca2+ channels close to docked vesicles at the presynaptic active zone. The high concentration of Ca2+ channels at the active zone is ...

EPFL2011

A silicon model of the inner hair cell

Yusuf Leblebici

In this paper we present an electrical model of the inner hair cell based on an improved mathematical model. The model is implemented in silicon in the current domain using translinear circuits. It improves on previous models by taking into consideration t ...

2011