1,564 results found
    1. Computational and Systems Biology
    2. Neuroscience

    Cell assemblies at multiple time scales with arbitrary lag constellations

    Eleonora Russo, Daniel Durstewitz
    A novel statistical algorithm for mining high-dimensional spike train (count) data for significant spatio-temporal patterns reveals new insights into task and brain area dependent functional organization of neural activity.
    1. Neuroscience

    Independent theta phase coding accounts for CA1 population sequences and enables flexible remapping

    Angus Chadwick, Mark CW van Rossum, Matthew F Nolan
    Independent coding without synaptic coordination explains complex sequences of population activity observed during theta states and maximizes the number of distinct environments that can be encoded through population theta sequences.
    1. Neuroscience

    On cross-frequency phase-phase coupling between theta and gamma oscillations in the hippocampus

    Robson Scheffer-Teixeira, Adriano BL Tort
    Phase-locking of hippocampal theta and gamma waves has been proposed to support memory formation, but an analysis using robust statistical methods finds no convincing evidence for the phenomenon.
    1. Neuroscience

    Neuronal sequences during theta rely on behavior-dependent spatial maps

    Eloy Parra-Barrero, Kamran Diba, Sen Cheng
    A computational framework and analysis of rodent CA1 data reveals that theta oscillations sequentially sweep through the past, present, and future at a spatial scale that varies with the characteristic speed of the animal.
    1. Neuroscience

    Sub-second dynamics of theta-gamma coupling in hippocampal CA1

    Lu Zhang, John Lee ... Annabelle C Singer
    A combination of signal processing and machine learning form a new approach to classify oscillatory coupling in single cycles without averaging over time and to capture cycle-by-cycle changes in coupling.
    1. Neuroscience

    Unsupervised discovery of temporal sequences in high-dimensional datasets, with applications to neuroscience

    Emily L Mackevicius, Andrew H Bahle ... Michale S Fee
    Building on simple unsupervised matrix factorization techniques, the seqNMF algorithm successfully recovers neural sequences in a wide range of simulated and real datasets.
    1. Neuroscience

    An approach for long-term, multi-probe Neuropixels recordings in unrestrained rats

    Thomas Zhihao Luo, Adrian Gopnik Bondy ... Carlos D Brody
    Techniques are presented to facilitate widespread and standardized chronic use of Neuropixels probes for high-yield, long-term neural recording in freely moving animals.
    1. Computational and Systems Biology
    2. Neuroscience

    Cellular composition and circuit organization of the locus coeruleus of adult mice

    Andrew McKinney, Ming Hu ... Xiaolong Jiang
    Interrogating mouse locus coeruleus via large-scale multipatch whole-cell recordings uncovers its cellular heterogeneity and cell-type-specific wiring logic.
    1. Neuroscience

    Attention operates uniformly throughout the classical receptive field and the surround

    Bram-Ernst Verhoef, John HR Maunsell
    A spatially-tuned normalization model accounts for neuronal responses to attended or unattended stimuli that are presented inside the classical receptive field or the surround, and explains various other observations.
    1. Neuroscience

    Metal microdrive and head cap system for silicon probe recovery in freely moving rodent

    Mihály Vöröslakos, Peter C Petersen ... György Buzsáki
    A reusable system of 3D printed stainless steel microdrive and plastic head cap allows stable recording of electrophysiological data in mice and rats and easy recovery of silicon probes.

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