2,110 results found
    1. Neuroscience

    Aversive stimuli drive hypothalamus-to-habenula excitation to promote escape behavior

    Salvatore Lecca, Frank Julius Meye ... Manuel Mameli
    Glutamatergic signaling from the lateral hypothalamus instructs lateral habenular neurons for encoding aversive external stimuli to subsequently guide escape behaviours.
    1. Neuroscience

    Reconciling functional differences in populations of neurons recorded with two-photon imaging and electrophysiology

    Joshua H Siegle, Peter Ledochowitsch ... Saskia EJ de Vries
    Discrepancies between functional responses measured with electrophysiology and calcium imaging can be largely reconciled by considering the spike-to-calcium transfer function, neuronal sampling bias, and cluster merging artifacts during spike sorting.
    1. Neuroscience

    A large fraction of neocortical myelin ensheathes axons of local inhibitory neurons

    Kristina D Micheva, Dylan Wolman ... Davi D Bock
    Parvalbumin-positive inhibitory neurons in the cortex have insulating myelin sheathes, despite forming only short-range connections.
    1. Neuroscience

    Multi-dimensional oscillatory activity of mouse GnRH neurons in vivo

    Su Young Han, Shel-Hwa Yeo ... Allan E Herbison
    The gonadotropin-releasing hormone (GnRH) neurons controlling fertility exhibit abrupt increases in activity to generate luteinizing hormone (LH) pulses and a sustained oscillatory pattern of activity to generate the LH surge.
    1. Developmental Biology
    2. Chromosomes and Gene Expression

    Multiple knockout mouse models reveal lincRNAs are required for life and brain development

    Martin Sauvageau, Loyal A Goff ... John L Rinn
    Long intergenic noncoding RNA molecules (lincRNAs) are shown to have critical roles in mammalian development and physiology in vivo.
    1. Neuroscience

    Multi-neuron intracellular recording in vivo via interacting autopatching robots

    Suhasa B Kodandaramaiah, Francisco J Flores ... Craig R Forest
    A robot capable of automatically obtaining blind whole cell patch clamp recordings from multiple neurons simultaneously guides four interacting electrodes in a coordinated fashion, avoiding mechanical coupling in the brain.
    1. Neuroscience

    Retinal microvascular and neuronal pathologies probed in vivo by adaptive optical two-photon fluorescence microscopy

    Qinrong Zhang, Yuhan Yang ... Na Ji
    A properly designed two-photon fluorescence microscope allows high-resolution visualization of neurons and capillaries in healthy and diseased mouse retinas in vivo, while to visualize subcellular structures, adaptive optics is required to correct the eye-induced optical aberrations.
    1. Plant Biology

    ATP sensing in living plant cells reveals tissue gradients and stress dynamics of energy physiology

    Valentina De Col, Philippe Fuchs ... Markus Schwarzländer
    The monitoring of ATP dynamics in living plants using fluorescent protein biosensor provides evidence for the complex relationship between cellular energy status and growth.
    1. Biochemistry and Chemical Biology
    2. Neuroscience

    Phasic oxygen dynamics confounds fast choline-sensitive biosensor signals in the brain of behaving rodents

    Ricardo M Santos, Anton Sirota
    Fast fluctuations of oxygen, linked to behavioral and neural dynamics in vivo, cause phasic transients is amperometry-measured cholinergic signals via the mechanism of non-steady-state enzyme kinetics in the choline-oxidase-based biosensor.
    1. Neuroscience

    Stability of neocortical synapses across sleep and wake states during the critical period in rats

    Brian A Cary, Gina G Turrigiano
    Sleep and wake states are not sufficient to drive changes in neocortical synaptic strengths.

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