27 results found
    1. Neuroscience

    Critical role for the mediodorsal thalamus in permitting rapid reward-guided updating in stochastic reward environments

    Subhojit Chakraborty et al.
    In monkeys, the integrity of the magnocellular subdivision of mediodorsal thalamus is important when using recent rewarded choices to promote persistence with a recently sampled choice during changing or uncertain reward guided-learning and decision-making tasks.
    1. Neuroscience

    Mediodorsal thalamus is required for discrete phases of goal-directed behavior in macaques

    Evan Wicker et al.
    Transient suppression of activity in the macaque mediodorsal thalamus impairs adjustment of secondary reinforcer values and disrupts appropriate action selection in a reinforcer devaluation task; this profile is distinct from that of amygdala or subregions of orbitofrontal cortex.
    1. Neuroscience

    A thalamocortical circuit for updating action-outcome associations

    Virginie Fresno et al.
    Disconnection of the orbitofrontal cortex from the submedius nucleus but not the mediodorsal thalamus prevented rats to respond adaptively following action-outcome reversal, showing differential involvement of these thalamocortical circuits.
    1. Neuroscience

    Variation of connectivity across exemplar sensory and associative thalamocortical loops in the mouse

    Arghya Mukherjee et al.
    Compared to a sensory thalamocortical circuit, the mediodorsal thalamus preferentially innervates prefrontal cortical interneurons, and enhancing excitability of this thalamic structure drives prefrontal activity patterns that are dominated by inhibition.
    1. Neuroscience

    Medial thalamic stroke and its impact on familiarity and recollection

    Lola Danet et al.
    A thalamic stroke in the mediodorsal nucleus is related to a spared familiarity.
    1. Neuroscience

    Thalamocortical and corticothalamic pathways differentially contribute to goal-directed behaviors in the rat

    Fabien Alcaraz et al.
    Adaptive decision-making critically depends on antiparallel flows conveying distinct information within thalamocortical circuits, highlighting directionality of functional exchanges as a neural principle potentially at play in virtually any brain circuit with reciprocal projections.
    1. Neuroscience

    Neural effects of propofol-induced unconsciousness and its reversal using thalamic stimulation

    André M Bastos et al.
    Understanding how general anesthesia changes neural dynamics in the cortex and thalamus can lead to its safer use and shed light on the nature of consciousness.
    1. Neuroscience

    Disruption of thalamic functional connectivity is a neural correlate of dexmedetomidine-induced unconsciousness

    Oluwaseun Akeju et al.
    Patterns of communication between the thalamus and the cortex are correlated with anesthesia-induced loss of consciousness and recovery.
    1. Neuroscience

    mPFC spindle cycles organize sparse thalamic activation and recently active CA1 cells during non-REM sleep

    Carmen Varela, Matthew A Wilson
    Sleep spindles provide a temporal framework to organize the reactivation of behaviorally relevant CA1 cells and sparsely active cells in the limbic thalamus.
    1. Neuroscience

    Motor thalamus supports striatum-driven reinforcement

    Arnaud L Lalive et al.
    While the basal ganglia have long been thought to mediate learning through dopamine-dependent striatal plasticity, their regulation of motor thalamus plays an unexpected and critical role in reinforcement.

Refine your results by:

Type
Research categories