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Open AccessJournal ArticleDOI

Mapping brain circuitry with a light microscope.

TLDR
An overview of the present state and future opportunities in charting long-range and local connectivity in the entire mouse brain and in linking brain circuits to function is presented.
Abstract
The beginning of the 21st century has seen a renaissance in light microscopy and anatomical tract tracing that together are rapidly advancing our understanding of the form and function of neuronal circuits. The introduction of instruments for automated imaging of whole mouse brains, new cell type–specific and trans-synaptic tracers, and computational methods for handling the whole-brain data sets has opened the door to neuroanatomical studies at an unprecedented scale. We present an overview of the present state and future opportunities in charting long-range and local connectivity in the entire mouse brain and in linking brain circuits to function.

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Journal ArticleDOI

CLARITY for mapping the nervous system

TL;DR: Hydrogel-based structures can be built from within biological tissue to allow subsequent removal of lipids without mechanical disassembly of the tissue, creating a tissue-hydrogel hybrid that is physically stable, that preserves fine structure, proteins and nucleic acids, and that is permeable to both visible-spectrum photons and exogenous macromolecules.
Journal ArticleDOI

Neural Networks of the Mouse Neocortex

TL;DR: Cortico-cortical connectivity map and connectivity matrices revealed that the entire cortex is organized into four somatic sensorimotor, two medial, and two lateral subnetworks that display unique topologies and can interact through select cortical areas.
Journal ArticleDOI

Advanced CUBIC protocols for whole-brain and whole-body clearing and imaging.

TL;DR: A protocol for advanced CUBIC (Clear, Unobstructed Brain/Body Imaging Cocktails and Computational analysis) is described in this paper, which enables simple and efficient organ clearing, rapid imaging by light-sheet microscopy and quantitative imaging analysis of multiple samples.
PatentDOI

Transparent, flexible, low-noise graphene electrodes for simultaneous electrophysiology and neuro-imaging

TL;DR: A transparent, flexible neural electrode technology based on graphene is reported, which enables simultaneous optical imaging and electrophysiological recording and may pave the way for high spatio-temporal resolution electro-optic mapping of the dynamic neuronal activity.
Journal ArticleDOI

A Whole-Brain Atlas of Inputs to Serotonergic Neurons of the Dorsal and Median Raphe Nuclei

TL;DR: A comprehensive whole-brain atlas defining the monosynaptic inputs onto forebrain-projecting serotonergic neurons of dorsal versus median raphe based on a genetically restricted transsynaptic retrograde tracing strategy is generated.
References
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Journal ArticleDOI

Network anatomy and in vivo physiology of visual cortical neurons

TL;DR: This work used two-photon calcium imaging to characterize a functional property—the preferred stimulus orientation—of a group of neurons in the mouse primary visual cortex and large-scale electron microscopy of serial thin sections was used to trace a portion of these neurons’ local network.
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Choice-specific sequences in parietal cortex during a virtual-navigation decision task

TL;DR: Optically imaged the spatial and temporal activity patterns of neuronal populations in mice performing a PPC-dependent task that combined a perceptual decision and memory-guided navigation in a virtual environment.
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Intracellular dynamics of hippocampal place cells during virtual navigation

TL;DR: The intracellular dynamics of place cells are measured by combining in vivo whole-cell recordings with a virtual-reality system to examine the mechanisms underlying hippocampal coding and to enable new experimental approaches to study the neural circuits underlying navigation.
Journal ArticleDOI

Functional specificity of local synaptic connections in neocortical networks

TL;DR: The results reveal the degree of functional specificity of local synaptic connections in the visual cortex, and point to the existence of fine-scale subnetworks dedicated to processing related sensory information.
Journal ArticleDOI

Wiring specificity in the direction-selectivity circuit of the retina

TL;DR: It is shown, using serial block-face electron microscopy and two-photon calcium imaging, that the dendrites of mouse starburst amacrine cells make highly specific synapses with direction-selective ganglion cells depending on the ganglION cell’s preferred direction.
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