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| Open AccessEvolution of neuronal cell classes and types in the vertebrate retina
Single-cell and single-nucleus transcriptomic analysis of retina from 17 vertebrate species shows high conservation of retinal cell types and suggests that midget retinal ganglion cells in primates evolved from orthologous cells in ancestral mammals.
- Joshua Hahn
- , Aboozar Monavarfeshani
- & Karthik Shekhar
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Cortical reactivations predict future sensory responses
Offline cortical reactivations predict the gradual drift and separation in sensory cortical response patterns and may enhance sensory discrimination.
- Nghia D. Nguyen
- , Andrew Lutas
- & Mark L. Andermann
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Article
| Open AccessAn ON-type direction-selective ganglion cell in primate retina
Transcriptomic data and functional experiments on macaque retina are used to identify the ON-type direction-selective ganglion cells responsible for detecting moving images and initiating gaze-stabilization mechanisms.
- Anna Y. M. Wang
- , Manoj M. Kulkarni
- & Teresa Puthussery
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Article
| Open AccessUltrafast structural changes direct the first molecular events of vision
One picosecond after photoactivation, isomerized retinal pulls away from half of its numerous interactions with its binding pocket, and the excess of the photon energy is released through an anisotropic protein breathing motion in the direction of the extracellular space.
- Thomas Gruhl
- , Tobias Weinert
- & Valerie Panneels
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Article |
Muscles that move the retina augment compound eye vision in Drosophila
Drosophila are shown to have retinal muscles that allow them to smoothly track visual motion and also to make rapid eye movements, and the associated functions and mechanisms involved are discussed.
- Lisa M. Fenk
- , Sofia C. Avritzer
- & Gaby Maimon
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Article |
State-dependent pupil dilation rapidly shifts visual feature selectivity
Computational modelling and functional imaging of awake, active mice show that behaviour directly changes neuronal tuning in the visual cortex through pupil dilation.
- Katrin Franke
- , Konstantin F. Willeke
- & Andreas S. Tolias
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Article |
Modular strategy for development of the hierarchical visual network in mice
The visual network in mice develops in a modular manner with initial establishment of parallel modules followed by their concatenation.
- Tomonari Murakami
- , Teppei Matsui
- & Kenichi Ohki
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Article
| Open AccessVisual recognition of social signals by a tectothalamic neural circuit
A tectothalamic pathway for social affiliation in developing zebrafish dissociates neuronal control of attraction from repulsion during affiliation, revealing a circuit underpinning of collective behaviour
- Johannes M. Kappel
- , Dominique Förster
- & Johannes Larsch
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Article
| Open AccessA transcriptomic axis predicts state modulation of cortical interneurons
Two-photon imaging and in situ transcriptomic analysis of the primary visual cortex in mice show that a single transcriptomic axis correlates with the state modulation of cortical inhibitory neurons.
- Stéphane Bugeon
- , Joshua Duffield
- & Kenneth D. Harris
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Emergent reliability in sensory cortical coding and inter-area communication
The mouse neocortex supports sensory performance through transient increases in sensory coding redundancy, neural codes that are robust to cellular variability, and inter-area fluctuation modes that transmit sensory data and task responses in non-interfering channels.
- Sadegh Ebrahimi
- , Jérôme Lecoq
- & Mark J. Schnitzer
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Revival of light signalling in the postmortem mouse and human retina
Experiments measuring light-evoked responses in postmortem mouse and human retinas are used to quantify decay of photoreceptors following death and optimise conditions for reviving trans-synaptic transmission.
- Fatima Abbas
- , Silke Becker
- & Frans Vinberg
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Article
| Open AccessA biophysical account of multiplication by a single neuron
Release from shunting inhibition and coincident excitation implement a multiplication-like synaptic interaction in motion-sensing neurons of Drosophila melanogaster.
- Lukas N. Groschner
- , Jonatan G. Malis
- & Alexander Borst
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Article |
Moving bar of light evokes vectorial spatial selectivity in the immobile rat hippocampus
In response to visual stimuli, hippocampal neurons in a body-fixed rat can respond to and encode visual information without locomotion or task demand, similar to the visual cortex.
- Chinmay S. Purandare
- , Shonali Dhingra
- & Mayank R. Mehta
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Survey of spiking in the mouse visual system reveals functional hierarchy
A large, open dataset containing parallel recordings from six visual cortical and two thalamic areas of the mouse brain is presented, from which the relative timing of activity in response to visual stimuli and behaviour is used to construct a hierarchy scheme that corresponds to anatomical connectivity data.
- Joshua H. Siegle
- , Xiaoxuan Jia
- & Christof Koch
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Cortical response selectivity derives from strength in numbers of synapses
Live neuron imaging and electron microscopy reconstruction shows that the selectivity of cortical neuron responses to visual stimuli arises from the total number of synapses activated rather than being dominated by a small number of strong synaptic inputs.
- Benjamin Scholl
- , Connon I. Thomas
- & David Fitzpatrick
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Article |
Reprogramming to recover youthful epigenetic information and restore vision
Expression of three Yamanaka transcription factors in mouse retinal ganglion cells restores youthful DNA methylation patterns, promotes axon regeneration after injury, and reverses vision loss in a mouse model of glaucoma and in aged mice, suggesting that mammalian tissues retain a record of youthful epigenetic information that can be accessed to improve tissue function.
- Yuancheng Lu
- , Benedikt Brommer
- & David A. Sinclair
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Spatial connectivity matches direction selectivity in visual cortex
In the mouse visual cortex, the excitatory and inhibitory presynaptic neurons of individual layer 2/3 pyramidal neurons are spatially offset to generate direction-selective responses.
- L. Federico Rossi
- , Kenneth D. Harris
- & Matteo Carandini
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Spontaneous travelling cortical waves gate perception in behaving primates
Timing and position of spontaneously arising waves of activity in the visual cortex predict the sensitivity of visual perception in awake, behaving marmosets (Callithrix jacchus).
- Zachary W. Davis
- , Lyle Muller
- & John H. Reynolds
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A map of object space in primate inferotemporal cortex
Primate inferotemporal cortex contains a coarse map of object space consisting of four networks, identified using functional imaging, electrophysiology and deep networks.
- Pinglei Bao
- , Liang She
- & Doris Y. Tsao
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Feedback generates a second receptive field in neurons of the visual cortex
Feedback projections onto neurons of the mouse primary visual cortex generate a second excitatory receptive field that is driven by stimuli outside of the classical feedforward receptive field, with responses mediated by higher visual areas.
- Andreas J. Keller
- , Morgane M. Roth
- & Massimo Scanziani
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Fundamental bounds on the fidelity of sensory cortical coding
A microscopy system that enables simultaneous recording from hundreds of neurons in the mouse visual cortex reveals that the brain enhances its coding capacity by representing visual inputs in dimensions perpendicular to correlated noise.
- Oleg I. Rumyantsev
- , Jérôme A. Lecoq
- & Mark J. Schnitzer
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Letter |
Daytime colour preference in Drosophila depends on the circadian clock and TRP channels
Innate colour preference in adult fruit flies changes with the time of day, and depends on rhodopsins 1 and 7, TRP channels and the circadian clock.
- Stanislav Lazopulo
- , Andrey Lazopulo
- & Sheyum Syed
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High-dimensional geometry of population responses in visual cortex
Analysis of the encoding of natural images by very large populations of neurons in the visual cortex of awake mice characterizes the high dimensional geometry of the neural responses.
- Carsen Stringer
- , Marius Pachitariu
- & Kenneth D. Harris
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Single-neuron perturbations reveal feature-specific competition in V1
A combination of optogenetics and calcium imaging at the single-neuron level provides evidence for feature-specific competition among neurons in primary visual cortex.
- Selmaan N. Chettih
- & Christopher D. Harvey
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Letter |
Neuromodulatory control of localized dendritic spiking in critical period cortex
A transient circuit that links cholinergic neuromodulation and inhibition is responsible for the dendritic compartmentalization of evoked responses in the mouse visual cortex during the critical period of robust plasticity.
- Courtney E. Yaeger
- , Dario L. Ringach
- & Joshua T. Trachtenberg
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Shared and distinct transcriptomic cell types across neocortical areas
Single-cell transcriptomics of more than 20,000 cells from two functionally distinct areas of the mouse neocortex identifies 133 transcriptomic types, and provides a foundation for understanding the diversity of cortical cell types.
- Bosiljka Tasic
- , Zizhen Yao
- & Hongkui Zeng
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Letter |
Coherent encoding of subjective spatial position in visual cortex and hippocampus
When running through a virtual reality corridor, a mouse’s position is represented in both the hippocampus (as expected) and the primary visual cortex, for places that are visually identical.
- Aman B. Saleem
- , E. Mika Diamanti
- & Matteo Carandini
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Letter |
Differential tuning of excitation and inhibition shapes direction selectivity in ferret visual cortex
Inhibition to the null direction of motion has a critical role in the direction selectivity of neurons in ferret primary visual cortex.
- Daniel E. Wilson
- , Benjamin Scholl
- & David Fitzpatrick
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Review Article |
Long-distance navigation and magnetoreception in migratory animals
A Review of the cues and mechanisms used by animals to navigate over long distances, with a particular emphasis on magnetoreception.
- Henrik Mouritsen
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Article |
Cortical direction selectivity emerges at convergence of thalamic synapses
Direction selectivity emerges de novo in layer 4 neurons of primary visual cortex through the convergence of synaptic inputs from thalamic neurons that respond with distinct time courses to visual stimuli in distinct locations.
- Anthony D. Lien
- & Massimo Scanziani
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A midline thalamic circuit determines reactions to visual threat
Separate outputs of the ventral midline thalamus comprise neural circuits that determine avoidance-based or confrontational responses to visual threat.
- Lindsey D. Salay
- , Nao Ishiko
- & Andrew D. Huberman
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The logic of single-cell projections from visual cortex
Tracing of projection neuron axons from the primary visual cortex to their targets shows that these neurons often project to multiple cortical areas of the mouse brain.
- Yunyun Han
- , Justus M. Kebschull
- & Thomas D. Mrsic-Flogel
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Letter |
Fully integrated silicon probes for high-density recording of neural activity
New silicon probes known as Neuropixels are shown to record from hundreds of neurons simultaneously in awake and freely moving rodents.
- James J. Jun
- , Nicholas A. Steinmetz
- & Timothy D. Harris
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Letter |
Synaptic organization of visual space in primary visual cortex
Mapping the organization of excitatory inputs onto the dendritic spines of individual mouse visual cortex neurons reveals how inputs representing features from the extended visual scene are organized and establishes a computational unit suited to amplify contours and elongated edges.
- M. Florencia Iacaruso
- , Ioana T. Gasler
- & Sonja B. Hofer
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Article |
A retinal code for motion along the gravitational and body axes
Global mapping shows that mouse retinal neurons prefer visual motion produced when the animal moves along two behaviourally relevant axes, allowing the encoding of the animal’s every translation and rotation.
- Shai Sabbah
- , John A. Gemmer
- & David M. Berson
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Article |
Inhibition decorrelates visual feature representations in the inner retina
The functional diversity of bipolar cells, which split visual inputs into different excitatory channels within the retina, arises from centre–surround interactions in their receptive fields that tune both spatial and temporal signalling.
- Katrin Franke
- , Philipp Berens
- & Tom Baden
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Letter |
Cortico-fugal output from visual cortex promotes plasticity of innate motor behaviour
Projections from the mouse visual cortex to the brainstem accessory optic system promote the adaptive plasticity of the optokinetic reflex, which stabilizes images on the retina when an animal is moving.
- Bao-hua Liu
- , Andrew D. Huberman
- & Massimo Scanziani
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Species-specific wiring for direction selectivity in the mammalian retina
Directional selectivity in the detection of moving visual stimuli critically depends on starburst amacrine cells, which have been studied primarily in rabbit retina; a large-scale reconstruction of the mouse retina at a single-synapse level, along with experimental and theoretical analysis, shows that mouse retinal circuitry is adapted to the smaller eye size of mice.
- Huayu Ding
- , Robert G. Smith
- & Kevin L. Briggman
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Article |
Principles underlying sensory map topography in primary visual cortex
Recordings from cat visual cortex show that the cortical maps for stimulus orientation, direction and retinal disparity depend on an organization in which thalamic axons with similar retinotopy and light/dark responses are clustered together in the cortex.
- Jens Kremkow
- , Jianzhong Jin
- & Jose M. Alonso
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Letter |
Topology of ON and OFF inputs in visual cortex enables an invariant columnar architecture
Two-photon imaging of calcium signals in the tree shrew visual cortex shows that light-responsive and dark-responsive inputs have distinct arrangements that allow the cortex to map the orientation, visual location and spatial phase of visual stimuli.
- Kuo-Sheng Lee
- , Xiaoying Huang
- & David Fitzpatrick
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Letter |
A neuronal circuit for colour vision based on rod–cone opponency
Colour vision is thought to rely on the comparison of signals from cone cells in the retina, this paper identifies a class of mouse retinal ganglion cells (J-RGC) that integrates an OFF signal from ultraviolet-sensitive cones with an ON signal from green-sensitive rods, producing a colour-opponent channel that may enable animals to detect urine territory marks; the underlying circuit may also explain why humans experience a blue shift in night-time vision.
- Maximilian Joesch
- & Markus Meister
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Letter |
Anatomy and function of an excitatory network in the visual cortex
Two-photon calcium imaging and electron microscopy were used to explore the relationship between structure and function in mouse primary visual cortex, showing that layer 2/3 neurons are connected in subnetworks, that pyramidal neurons with similar orientation selectivity preferentially form synapses with each other, and that neurons with similar orientation tuning form larger synapses; this study exemplifies functional connectomics as a powerful method for studying the organizational logic of cortical networks.
- Wei-Chung Allen Lee
- , Vincent Bonin
- & R. Clay Reid
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Letter |
Sensory experience regulates cortical inhibition by inducing IGF1 in VIP neurons
Igf1 is identified in mice as an experience-induced gene that functions cell-autonomously to increase inhibitory input onto a disinhibitory subtype of GABAergic neurons in the cortex, affecting the downstream excitation–inhibition balance within circuits that regulate visual acuity, and providing a novel example of experience modulating neural plasticity.
- A. R. Mardinly
- , I. Spiegel
- & M. E. Greenberg
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Article |
The functional diversity of retinal ganglion cells in the mouse
Two-photon calcium imaging reveals that the mouse retina contains more than 30 functionally distinct retinal ganglion cells, including some that have not been described before, exceeding current estimates and suggesting that the functional diversity of retinal ganglion cells may be much larger than previously thought.
- Tom Baden
- , Philipp Berens
- & Thomas Euler
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Letter |
Thalamic control of sensory selection in divided attention
The authors trained mice to attend to or suppress vision based on behavioral context and show, through novel and established techniques, that changes in visual gain rely on tunable feedforward inhibition of visual thalamus via innervating thalamic reticular neurons; these findings introduce a subcortical model of attention in which modality-specific thalamic reticular subnetworks mediate top-down and context-dependent control of sensory selection.
- Ralf D. Wimmer
- , L. Ian Schmitt
- & Michael M. Halassa
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Letter |
Sidekick 2 directs formation of a retinal circuit that detects differential motion
The mouse retinal ganglion cell type known as the W3B-RGC, which detects motion of objects against a moving background, is shown to receive strong specific and excitatory input from amacrine cells expressing vesicular glutamine transporter 3; this selective connection is mediated by homophilic interactions of the recognition molecule sidekick 2 (Sdk2), which is expressed on both cells, and disruption of this connection affects object motion detection in W3B-RGCs.
- Arjun Krishnaswamy
- , Masahito Yamagata
- & Joshua R. Sanes
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Letter |
Diverse coupling of neurons to populations in sensory cortex
Exploring the relationship between population coupling and neuronal activity reveals that neighbouring neurons can differ in their coupling to the overall firing rate of the population, the circuitry of which may potentially help to explain the complex activity patterns in cortical populations.
- Michael Okun
- , Nicholas A. Steinmetz
- & Kenneth D. Harris
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Letter |
Functional organization of excitatory synaptic strength in primary visual cortex
In complex networks of the cerebral cortex, the majority of connections are weak and only a minority strong, but it is not known why; here the authors show that excitatory neurons in primary visual cortex follow a rule by which strong connections are sparse and occur between neurons with correlated responses to visual stimuli, whereas only weak connections link neurons with uncorrelated responses.
- Lee Cossell
- , Maria Florencia Iacaruso
- & Thomas D. Mrsic-Flogel