Sylvain Crochet

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Related publications (30)

Movement Initiation Signals in Mouse Whisker Motor Cortex

Carl Petersen, Sylvain Crochet, Varun Sreenivasan, Taro Kiritani, Katia Galan, Vahid Esmaeili

Frontal cortex plays a central role in the control of voluntary movements, which are typically guided by sensory input. Here, we investigate the function of mouse whisker primary motor cortex (wM1), a frontal region defined by dense innervation from whiske ...

Cell Press2016

Cortical Sensorimotor Reverberations

Carl Petersen, Sylvain Crochet

In this issue of Neuron, Manita et al. (2015) report that reciprocal excitatory interactions between higher-order frontal motor cortex and primary sensorimotor cortex might play a key role in hindlimb sensory perception in mice. In this issue of Neuron, Ma ...

Cell Press2015

Cell-Type-Specific Sensorimotor Processing in Striatal Projection Neurons during Goal-Directed Behavior

Carl Petersen, Sylvain Crochet, Tanya C Sippy, Damien Lapray

Goal-directed sensorimotor transformation drives important aspects of mammalian behavior. The striatum is thought to play a key role in reward-based learning and action selection, receiving glutamatergic sensorimotor signals and dopaminergic reward signals ...

Cell Press2015

From Perception to Action: A Spatiotemporal Cortical Map

Carl Petersen, Sylvain Crochet

Cell Press2014

Cholinergic Signals in Mouse Barrel Cortex during Active Whisker Sensing

Carl Petersen, Sylvain Crochet, Yves Emile Alfred Kremer, Emmanuel Albert Eggermann

Internal brain states affect sensory perception, cognition, and learning. Many neocortical areas exhibit changes in the pattern and synchrony of neuronal activity during quiet versus active behaviors. Active behaviors are typically associated with desynchr ...

Elsevier2014

Synaptic Computation and Sensory Processing in Neocortical Layer 2/3

Carl Petersen, Sylvain Crochet

Computations in neocortical circuits are predominantly driven by synaptic integration of excitatory glutamatergic and inhibitory GABAergic inputs. New optical, electrophysiological, and genetic methods allow detailed in vivo investigation of the superficia ...

Cell Press2013

Thalamic control of cortical states

Carl Petersen, Sylvain Crochet, James Poulet

We investigated the impact of thalamus on ongoing cortical activity in the awake, behaving mouse. We demonstrate that the desynchronized cortical state during active behavior is driven by a centrally generated increase in thalamic action potential firing, ...

Nature Publishing Group2012

Synaptic Mechanisms Underlying Sparse Coding of Active Touch

Carl Petersen, Sylvain Crochet, James Poulet, Yves Emile Alfred Kremer

Sensory information is actively gathered by animals, but the synaptic mechanisms driving neuronal circuit function during active sensory processing are poorly understood. Here, we investigated the synaptically driven membrane potential dynamics during acti ...

2011

Combined voltage and calcium epifluorescence imaging in vitro and in vivo reveals subthreshold and suprathreshold dynamics of mouse barrel cortex

Carl Petersen, Sandrine Lefort, Sylvain Crochet, Thomas Berger

Cortical dynamics can be imaged at high spatiotemporal resolution with voltage-sensitive dyes (VSDs) and calcium-sensitive dyes (CaSDs). We combined these two imaging techniques using epifluorescence optics together with whole cell recordings to measure th ...

2007

Correlating whisker behavior with membrane potential in barrel cortex of awake mice

Carl Petersen, Sylvain Crochet

To investigate synaptic events underlying sensory perception, we made whole-cell membrane potential recordings of barrel cortex neurons in awake mice while recording whisker-related behavior. During quiet periods, we recorded slow, large-amplitude membrane ...

2006

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