3,177 results found
    1. Neuroscience

    Calcium dynamics regulating the timing of decision-making in C. elegans

    Yuki Tanimoto, Akiko Yamazoe-Umemoto ... Koutarou D Kimura
    A series of quantitative behavioural and opto-physiological analyses using a novel robot microscope system reveals that C. elegans computes the time-differential and time-integral of sensory information for decision-making during olfactory navigation.
    1. Neuroscience

    CaImAn an open source tool for scalable calcium imaging data analysis

    Andrea Giovannucci, Johannes Friedrich ... Eftychios A Pnevmatikakis
    CaImAn is an open-software package that equips the neuroscience community with a set of turnkey, fast and scalable solutions to pre-processing problems arising in single cell calcium imaging data analysis.
    1. Neuroscience
    2. Structural Biology and Molecular Biophysics

    Quantitative analysis of 1300-nm three-photon calcium imaging in the mouse brain

    Tianyu Wang, Chunyan Wu ... Chris Xu
    Quantitative experiments and analysis determine the limit of excitation power of 1300-nm three-photon microscopy, and the imaging depth where three-photon outperforms two-photon for calcium imaging in the mouse brain.
    1. Immunology and Inflammation

    Intravital quantification reveals dynamic calcium concentration changes across B cell differentiation stages

    Carolin Ulbricht, Ruth Leben ... Anja E Hauser
    Heterogeneity in cytoplasmic calcium concentration alongside B cell activation and differentiation is measured intravitally using an interdisciplinary imaging approach and novel numerical analysis.
    1. Computational and Systems Biology
    2. Neuroscience

    A hardware system for real-time decoding of in vivo calcium imaging data

    Zhe Chen, Garrett J Blair ... Hugh T Blair
    DeCalciOn is a low-cost open-source hardware system for real-time in vivo calcium imaging that offers capabilities for online decoding of neural population activity and delivery of short latency closed-loop feedback in freely behaving animals.
    1. Neuroscience

    Direct extraction of signal and noise correlations from two-photon calcium imaging of ensemble neuronal activity

    Anuththara Rupasinghe, Nikolas Francis ... Behtash Babadi
    An inference paradigm for extracting neuronal correlations from two-photon imaging data, without requiring intermediate spike deconvolution, provides significant performance gains over existing methods as demonstrated by theoretical analysis, simulation studies, and real-data applications.
    1. Neuroscience

    Conditioning sharpens the spatial representation of rewarded stimuli in mouse primary visual cortex

    Pieter M Goltstein, Guido T Meijer, Cyriel MA Pennartz
    Stimulus-reward learning sharpens the local representation of the visual space while leaving the overall retinotopic map intact.
    1. Neuroscience

    The rapid developmental rise of somatic inhibition disengages hippocampal dynamics from self-motion

    Robin F Dard, Erwan Leprince ... Michel A Picardo
    The first postnatal week ends with the development of perisomatic innervation and with an abrupt switch in the representation of self-motion in the region CA1 of the mouse hippocampus.
    1. Cell Biology
    2. Neuroscience

    CaRuby-Nano: a novel high affinity calcium probe for dual color imaging

    Mayeul Collot, Christian D Wilms ... Jean-Maurice Mallet
    CaRuby-Nano is a novel red-emitting and highly sensitive functionalizable calcium indicator with a wide range of applications in neuroscience and cell biology.
    1. Neuroscience

    Sensitive red protein calcium indicators for imaging neural activity

    Hod Dana, Boaz Mohar ... Douglas S Kim
    Protein engineering and large-scale screening has led to the development of sensitive red fluorescent indicators that detect neural activity with high sensitivity in various animal models.

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