Carl Petersen

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Publications associées (90)

Parallel pathways from whisker and visual sensory cortices to distinct frontal regions of mouse neocortex

Carl Petersen, Varun Sreenivasan, Céline Matéo, Alexandros Kyriakatos

The spatial organization of mouse frontal cortex is poorly understood. Here, we used voltage-sensitive dye to image electrical activity in the dorsal cortex of awake head-restrained mice. Whisker-deflection evoked the earliest sensory response in a localiz ...

SPIE-Intl Soc Optical Eng2017

Voltage-sensitive dye imaging of mouse neocortex during a whisker detection task

Carl Petersen, Matthieu Pierre Auffret, Alexandros Kyriakatos, Vijay Sadashivaiah, Yifei Zhang, Alessandro Motta

Sensorimotor processing occurs in a highly distributed manner in the mammalian neocortex. The spatiotemporal dynamics of electrical activity in the dorsal mouse neocortex can be imaged using voltage-sensitive dyes (VSDs) with near-millisecond temporal reso ...

SPIE-Intl Soc Optical Eng2017

Pioneers in Neurophotonics: Special Section Honoring Professor Amiram Grinvald

Carl Petersen

Spie-Soc Photo-Optical Instrumentation Engineers2017

Layer-Dependent Short-Term Synaptic Plasticity Between Excitatory Neurons in the C2 Barrel Column of Mouse Primary Somatosensory Cortex

Carl Petersen, Sandrine Lefort

Neurons process information through spatiotemporal integration of synaptic input. Synaptic transmission between any given pair of neurons is typically a dynamic process with presynaptic action potentials (APs) evoking depressing or facilitating postsynapti ...

Oxford Univ Press Inc2017

Parvalbumin-Expressing GABAergic Neurons in Mouse Barrel Cortex Contribute to Gating a Goal-Directed Sensorimotor Transformation

Carl Petersen, Shankar Sachidhanandam, Berat Semihcan Sermet

Sensory processing in neocortex is primarily driven by glutamatergic excitation, which is counterbalanced by GABAergic inhibition, mediated by a diversity of largely local inhibitory interneurons. Here, we trained mice to lick a reward spout in response to ...

Elsevier2016

Movement Initiation Signals in Mouse Whisker Motor Cortex

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

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

Target-specific membrane potential dynamics of neocortical projection neurons during goal-directed behavior

Carl Petersen, Takayuki Yamashita

Goal-directed behavior involves distributed neuronal circuits in the mammalian brain, including diverse regions of neocortex. However, the cellular basis of long-range cortico-cortical signaling during goal-directed behavior is poorly understood. Here, we ...

Elife Sciences Publications Ltd2016

Inhibition Patterns the Whisking Rhythm

Carl Petersen, Varun Sreenivasan

In this issue of Neuron, Deschenes et al. (2016) propose that rhythmic inhibition of whisker motor neurons is a key pattern generator underlying exploratory whisking. The inhibitory premotor neurons located in the brain-stem reticular formation are synchro ...

Cell Press2016

Whisking-Related Changes in Neuronal Firing and Membrane Potential Dynamics in the Somatosensory Thalamus of Awake Mice

Carl Petersen

The thalamus transmits sensory information to the neocortex and receives neocortical, subcortical, and neuromodulatory inputs. Despite its obvious importance, surprisingly little is known about thalamic function in awake animals. Here, using intracellular ...

Elsevier2015

Optogenetic Dissection of the Basal Forebrain Neuromodulatory Control of Cortical Activation, Plasticity, and Cognition

Carl Petersen

The basal forebrain (BF) houses major ascending projections to the entire neocortex that have long been implicated in arousal, learning, and attention. The disruption of the BF has been linked with major neurological disorders, such as coma and Alzheimer's ...

Soc Neuroscience2015

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Parallel pathways from whisker and visual sensory cortices to distinct frontal regions of mouse neocortex

Carl Petersen, Varun Sreenivasan, Céline Matéo, Alexandros Kyriakatos

SPIE-Intl Soc Optical Eng2017

Layer-Dependent Short-Term Synaptic Plasticity Between Excitatory Neurons in the C2 Barrel Column of Mouse Primary Somatosensory Cortex

Carl Petersen, Sandrine Lefort

Oxford Univ Press Inc2017

Parvalbumin-Expressing GABAergic Neurons in Mouse Barrel Cortex Contribute to Gating a Goal-Directed Sensorimotor Transformation

Carl Petersen, Shankar Sachidhanandam, Berat Semihcan Sermet

Elsevier2016