Concept

Neuronal ensemble

Publications associées (363)

Spatially coupled ensembles universally achieve capacity under belief propagation

We investigate spatially coupled code ensembles. For transmission over the binary erasure channel, it was recently shown that spatial coupling increases the belief propagation threshold of the ensemble to essentially the maximum a-priori threshold of the u ...

2012

Organic electronics allows the photo-electric excitation and inhibition of neuronal activity in primary neuronal cultures and acute retinal explants

Diego Ghezzi

Interfacing organic electronics and biology offers new possibilities in biotechnology, due to the unique properties exhibited by organic conducting polymers (e.g. biological affinity, mechanical flexibility and ease of functionalization). OCP have been exp ...

2012

Bimanual brain-machine interface

Solaiman Shokur, Miguel Nicolelis, Mikhail Lebedev, Zheng Li

Brain-machine interfaces (BMIs) - devices that connect brain areas to external actuators - strive to restore limb mobility and sensation to patients suffering from paralysis or limb loss. Here we report a novel BMI that controls two virtual arms simultaneo ...

2012

Sweet sixteen for ANLS

Pierre Magistretti, Luc Pellerin

Since its introduction 16 years ago, the astrocyte-neuron lactate shuttle (ANLS) model has profoundly modified our understanding of neuroenergetics by bringing a cellular and molecular resolution. Praised or disputed, the concept has never ceased to attrac ...

2012

Lossy source coding via spatially coupled LDGM ensembles

Rüdiger Urbanke, Nicolas Macris, Vahid Aref, Marc Vuffray

We study a new encoding scheme for lossy source compression based on spatially coupled low-density generatormatrix codes. We develop a belief-propagation guided-decimation algorithm, and show that this algorithm allows to approach the optimal distortion of ...

Ieee2012

Organic electronics allows the photo-electric excitation of neuronal activity in primary neuronal cultures and acute retinal explants

Diego Ghezzi

Interfacing organic electronics and biology offers new possibilities in biotechnology, due to the unique properties exhibited by organic conducting polymers (e.g. biological affinity, mechanical flexibility, ease of functionalization and cost effectiveness ...

2012

Optimal Population Codes for Space: Grid Cells Outperform Place Cells

Alexander Mathis

Rodents use two distinct neuronal coordinate systems to estimate their position: place fields in the hippocampus and grid fields in the entorhinal cortex. Whereas place cells spike at only one particular spatial location, grid cells fire at multiple sites ...

2012

Sustained expression of PGC-1α in the rat nigrostriatal system selectively impairs dopaminergic function

Patrick Aebischer, Bernard Schneider, Sylvain Eric Lengacher, Julien Dusonchet

Mitochondrial dysfunction and oxidative stress have been implicated in the etiology of Parkinsons disease. Therefore, pathways controlling mitochondrial activity rapidly emerge as potential therapeutic targets. Here, we explore the neuronal response to pro ...

Oxford University Press2012

Nanotopography induced contact guidance of the F11 cell line during neuronal differentiation: a neuronal model cell line for tissue scaffold development

Silvestro Micera

The F11 hybridoma, a dorsal root ganglion-derived cell line, was used to investigate the response of nociceptive sensory neurons to nanotopographical guidance cues. This established this cell line as a model of peripheral sensory neuron growth for tissue s ...

2012

Sound-Driven Synaptic Inhibition in Primary Visual Cortex

Diego Ghezzi

Multimodal objects and events activate many sensory cortical areas simultaneously. This is possibly reflected in reciprocal modulations of neuronal activity, even at the level of primary cortical areas. However, the synaptic character of these interareal i ...

Elsevier2012

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