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Showing 1–3 of 3 results
Advanced filters: Author: Alberto Bernacchia Clear advanced filters

  • Primate cortex can be organized with specialization and hierarchical principles, but presently there is little evidence for how it is organized temporally. Across six separate datasets, the authors find a hierarchical ordering of intrinsic fluctuation of spiking activity, with timescales that increase from sensory to prefrontal areas.

    • John D Murray
    • Alberto Bernacchia
    • Xiao-Jing Wang
    Research
    Nature Neuroscience
    Volume: 17, P: 1661-1663

  • According to reinforcement learning theory, reward expectation reflects an integration of past rewards over a fixed time scale. Here the authors extract signals about reward memory from neurons in the prefrontal, cingulate and parietal cortex, finding a wide range of time constants across the neuronal population, with a power-law distribution.

    • Alberto Bernacchia
    • Hyojung Seo
    • Xiao-Jing Wang
    Research
    Nature Neuroscience
    Volume: 14, P: 366-372