92 results found
    1. Neuroscience

    The sifting of visual information in the superior colliculus

    Kyu Hyun Lee, Alvita Tran ... Markus Meister
    The superior colliculus reveals hallmarks of sophisticated visual computation, including selectivity, invariance, and stimulus-specific habituation to behaviorally relevant stimuli.
    1. Neuroscience

    Correcting for physical distortions in visual stimuli improves reproducibility in zebrafish neuroscience

    Timothy W Dunn, James E Fitzgerald
    Computational analyses quantitatively account for optical refraction at air-water interfaces to enable visual neuroscientists to present distortion-free stimuli to underwater animals.
    1. Neuroscience

    ‘Fearful-place’ coding in the amygdala-hippocampal network

    Mi-Seon Kong, Eun Joo Kim ... Jeansok J Kim
    By recording simultaneous spike trains from fear-responsive basal amygdala (BA) and place-responsive dorsal hippocampus (dHPC) neurons in rats foraging for food in a risky predatory situation, a novel BA-dHPC circuit coding mechanism for interfacing danger and place information was revealed.
    1. Neuroscience

    Biophysics of object segmentation in a collision-detecting neuron

    Richard Burkett Dewell, Fabrizio Gabbiani
    Active dendritic processing enables an individual neuron to discriminate the spatial pattern of synaptic inputs, increasing neural and behavioral selectivity for escaping an impending threat.
    1. Neuroscience

    Neural circuits underlying habituation of visually evoked escape behaviors in larval zebrafish

    Haleh Fotowat, Florian Engert
    A novel neural mechanism is proposed and validated in larval zebrafish to explain how animals habituate to repeated looming stimulation.
    1. Neuroscience

    Contrast polarity-specific mapping improves efficiency of neuronal computation for collision detection

    Richard Burkett Dewell, Ying Zhu ... Fabrizio Gabbiani
    The processing of light and dark contrast information for detecting impending visual threats within grasshopper neurons reveals new mechanisms of information processing in the brain.
    1. Neuroscience

    Spatial readout of visual looming in the central brain of Drosophila

    Mai M Morimoto, Aljoscha Nern ... Michael B Reiser
    In the Drosophila central brain, synaptic connectivity extracts visual-spatial information from the axons of looming sensitive LC6 neurons that terminate in a glomerulus with minimal retinotopy.
    1. Neuroscience

    Subcortico-amygdala pathway processes innate and learned threats

    Valentina Khalil, Islam Faress ... Sadegh Nabavi
    The subcortical amygdala pathway, which has been traditionally associated with learning threats, is also required for processing an innate threat.
    1. Neuroscience

    Separable pupillary signatures of perception and action during perceptual multistability

    Jan W Brascamp, Gilles de Hollander ... Tomas Knapen
    When conscious visual perception changes, the observer's pupils simultaneously signal the accompanying change in visual cortical representation, and specific neuromodulatory activity that helps translate the altered visual experience into behavior.
    1. Neuroscience

    Optical dopamine monitoring with dLight1 reveals mesolimbic phenotypes in a mouse model of neurofibromatosis type 1

    J Elliott Robinson, Gerard M Coughlin ... Viviana Gradinaru
    Heterozygous Nf1 knockout mice exhibit distinct dopaminergic phenotypes in vivo, as revealed by the genetically encoded dopamine sensor dLight1, patch clamp electrophysiology, optogenetics, and novel viral tools for morphological analysis.

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