328 results found
    1. Neuroscience

    Dynamic representation of partially occluded objects in primate prefrontal and visual cortex

    Amber M Fyall et al.
    Complementary neural codes in frontal and visual cortex support a role for feedback signals in the representation and recognition of partially occluded objects.
    1. Neuroscience

    Specialized contributions of mid-tier stages of dorsal and ventral pathways to stereoscopic processing in macaque

    Toshihide W Yoshioka et al.
    Visual area MT signals binocular disparity quickly and robustly, whereas area V4 or its upstream area transforms the nature of the signals to derive a more sophisticated depth representation.
    1. Neuroscience

    Curvature domains in V4 of macaque monkey

    Jia Ming Hu et al.
    There is a systematic functional organization for curvature representation in area V4 where specific curvatures are encoded by unique values (modules) from the set of systematically represented values.
    1. Neuroscience

    Optogenetically induced low-frequency correlations impair perception

    Anirvan Nandy et al.
    Low-frequency correlations among neurons in monkey visual area V4 impair the animal's ability to perform an attention-demanding task, suggesting a causal role of these fluctuations in perception.
    1. Neuroscience

    Curvature-processing domains in primate V4

    Rendong Tang et al.
    Curvature-preferring neurons in monkey V4 cluster into 0.5-mm patches, which highlights the importance of curvature detection in visual object recognition and the key functional role of V4 in this process.
    1. Neuroscience

    Rapid learning in visual cortical networks

    Ye Wang, Valentin Dragoi
    The rapid learning of sensory information in cortical circuits is accompanied by a tight coordination of spike timing with the local theta-band population activity in visual cortex.
    1. Neuroscience

    Monkey EEG links neuronal color and motion information across species and scales

    Florian Sandhaeger et al.
    Using Monkey EEG as a bridge technology, color and motion representations in human MEG are linked to microcircuit activity in ventral stream areas.
    1. Neuroscience

    'Artiphysiology' reveals V4-like shape tuning in a deep network trained for image classification

    Dean A Pospisil et al.
    Single units in a deep convolutional neural network trained for image classification develop shape selectivity that is similar to that found in the primate visual cortex.
    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. Computational and Systems Biology
    2. Neuroscience

    Attention stabilizes the shared gain of V4 populations

    Neil C Rabinowitz et al.
    Populations of neurons in the macaque visual cortex are subject to shared fluctuations in gain; these signals exhibit anatomical and functional structure, and their variability is diminished under attention.

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