806 results found
    1. Neuroscience

    Subthalamic, not striatal, activity correlates with basal ganglia downstream activity in normal and parkinsonian monkeys

    Marc Deffains, Liliya Iskhakova ... Hagai Bergman
    The spiking activity of the subthalamic nucleus, rather than the activity of striatal projection neurons, orchestrates basal ganglia downstream activity and output commands in health and Parkinson’s disease.
    1. Neuroscience

    The inhibitory microcircuit of the substantia nigra provides feedback gain control of the basal ganglia output

    Jennifer Brown, Wei-Xing Pan, Joshua Tate Dudman
    Negative feedback signals within the substantia nigra regulate the output of the basal ganglia, with implications for disorders such as Parkinson's disease.
    1. Computational and Systems Biology
    2. Neuroscience

    Competing basal ganglia pathways determine the difference between stopping and deciding not to go

    Kyle Dunovan, Brighid Lynch ... Timothy Verstynen
    A model based on the architecture of basal ganglia and validated with behavior and neuroimaging distinguishes mechanisms of action cancellation from no-go decisions.
    1. Neuroscience

    A subcortical circuit linking the cerebellum to the basal ganglia engaged in vocal learning

    Ludivine Pidoux, Pascale Le Blanc ... Arthur Leblois
    The cerebellum sends a functional input to the song-related basal ganglia via the thalamus in songbirds that can modify premotor activity, and it participates to song learning in juvenile birds.
    1. Neuroscience

    Basal ganglia output reflects internally-specified movements

    Mario J Lintz, Gidon Felsen
    The basal ganglia may preferentially influence movements based on internal goals rather than those guided by external stimuli.
    1. Neuroscience

    Altered basal ganglia output during self-restraint

    Bon-Mi Gu, Joshua D Berke
    Rats are slower to initiate actions when these actions may need to be cancelled, and this slowing is associated with increased and more variable neural firing in the substantia nigra pars reticulata.
    1. Neuroscience

    An open cortico-basal ganglia loop allows limbic control over motor output via the nigrothalamic pathway

    Sho Aoki, Jared B Smith ... Xin Jin
    A novel connection from ventral striatum to motor cortex enables emotion and motivation to influence action and motor control.
    1. Neuroscience

    miR-9 regulates basal ganglia-dependent developmental vocal learning and adult vocal performance in songbirds

    Zhimin Shi, Zoe Piccus ... XiaoChing Li
    Gene manipulation combined with behavior analysis reveals a role of miR-9 in modulating basal-ganglia-dependent developmental vocal learning and adult vocal performance via regulating the FOXP1/FOXP2 gene network and dopamine signaling in songbirds.
    1. Neuroscience

    Multiple dynamic interactions from basal ganglia direct and indirect pathways mediate action selection

    Hao Li, Xin Jin
    Experimental data and computational simulations reveal a new functional model, that is 'Triple-control' for the basal ganglia pathways in action selection.
    1. Neuroscience

    Neural activity in cortico-basal ganglia circuits of juvenile songbirds encodes performance during goal-directed learning

    Jennifer M Achiro, John Shen, Sarah W Bottjer
    Activity in cortico-basal ganglia circuits of juvenile songbirds reflects evaluative signals necessary for comparing self-generated behavior to a goal representation during skill learning.

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