Carl Petersen

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Publications associées (90)

In Vivo Optogenetic Stimulation of Neocortical Excitatory Neurons Drives Brain-State-Dependent Inhibition

Carl Petersen, Céline Matéo, Michael Avermann

Background: Synaptic interactions between excitatory and inhibitory neocortical neurons are important for mammalian sensory perception. Synaptic transmission between identified neurons within neocortical microcircuits has mainly been studied in brain slice ...

Elsevier2011

Motor control by sensory cortex

Carl Petersen, Varun Sreenivasan, Rachel Aronoff, Céline Matéo, Ferenc Mátyás, Fred Marbach, Catherine Wacongne

Classical studies of mammalian movement control define a prominent role for the primary motor cortex. Investigating the mouse whisker system, we found an additional and equally direct pathway for cortical motor control driven by the primary somatosensory c ...

American Association for the Advancement of Science2010

Long-range connectivity of mouse primary somatosensory barrel cortex

Bernard Schneider, Carl Petersen, Rachel Aronoff, Céline Matéo, Ferenc Mátyás

The primary somatosensory barrel cortex processes tactile vibrissae information, allowing rodents to actively perceive spatial and textural features of their immediate surroundings. Each whisker on the snout is individually represented in the neocortex by ...

Wiley-Blackwell2010

Membrane potential dynamics of GABAergic neurons in the barrel cortex of behaving mice

Carl Petersen, Michael Avermann, Ferenc Mátyás

Computations in cortical circuits are mediated by synaptic interactions between excitatory and inhibitory neurons, and yet we know little about their activity in awake animals. Here, through single and dual whole-cell recordings combined with two-photon mi ...

Elsevier2010

BOLD responses to trigeminal nerve stimulation

Rolf Gruetter, Carl Petersen, Nathalie Just

The current study investigates a new model of barrel cortex activation using stimulation of the infraorbital branch of the trigeminal nerve. A robust and reproducible activation of the rat barrel cortex was obtained following trigeminal nerve stimulation. ...

2010

Fast Fluorescence Dynamics in Non-ratiometric Calcium Indicators

Edoardo Charbon, Carl Petersen, Cristiano Niclass, Marek Gersbach, Dmitri Boiko

2009

The Excitatory Neuronal Network of the C2 Barrel Column in Mouse Primary Somatosensory Cortex

Carl Petersen, Juan-Carlos Sarria, Sandrine Lefort, Christian Tomm

Local microcircuits within neocortical columns form key determinants of sensory processing. Here, we investigate the excitatory synaptic neuronal network of an anatomically defined cortical column, the C2 barrel column of mouse primary somatosensory cortex ...

2009

Genetic determinants of barrel cortex map formation

Carl Petersen

Wiley-Blackwell2009

Synaptic Mechanisms Of Sensory Perception

Carl Petersen

2009

Genetic manipulation, whole-cell recordings and functional imaging of the sensorimotor cortex of behaving mice

Carl Petersen

Sensory processing, sensorimotor integration and motor control are amongst the most basic functions of the brain and yet our understanding of how the underlying neuronal networks operate and contribute to behaviour is very limited. The relative simplicity ...

2009

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