61 results found
    1. Neuroscience

    Valence biases in reinforcement learning shift across adolescence and modulate subsequent memory

    Gail M Rosenbaum, Hannah L Grassie, Catherine A Hartley
    Relative to children and adults, adolescents placed greater weight on negative prediction errors during learning and these age-varying learning idiosyncrasies biased subsequent memory for information associated with valenced outcomes.
    1. Neuroscience

    Catecholaminergic challenge uncovers distinct Pavlovian and instrumental mechanisms of motivated (in)action

    Jennifer C Swart, Monja I Froböse ... Hanneke EM den Ouden
    Motivational coupling of action to reward and inhibition to punishment is subserved by dissociable learning and choice processes, and is modulated by dopamine/noradrenaline transporter blockade.
    1. Neuroscience

    Retinotectal circuitry of larval zebrafish is adapted to detection and pursuit of prey

    Dominique Förster, Thomas O Helmbrecht ... Herwig Baier
    The retinotectal map in zebrafish exhibits location-specific, functional specializations to match prey object movement in the visual field during the hunting sequence.
    1. Neuroscience

    Modulation of alpha oscillations by attention is predicted by hemispheric asymmetry of subcortical regions

    Tara Ghafari, Cecilia Mazzetti ... Ole Jensen
    Lateral asymmetry of the globus pallidus, caudate nucleus, and thalamus can predict attention-related modulations of posterior alpha oscillations when combining structural MRI with MEG.
    1. Neuroscience

    Prefrontal cortex state representations shape human credit assignment

    Amrita Lamba, Matthew R Nassar, Oriel FeldmanHall
    The medial prefrontal cortex and orbitofrontal cortex work in concert to match state representations from feedback to those at choice, and the strength of these common neural codes predict credit assignment precision.
    1. Neuroscience

    The role of oxytocin in delay of gratification and flexibility in non-social decision making

    Georgia Eleni Kapetaniou, Matthias A Reinhard ... Alexander Soutschek
    Oxytocin was found to significantly improve non-social decision making in a healthy sample, suggesting a domain-general function of the hormone, in contrast to its previously hypothesized social domain specificity.
    1. Neuroscience

    Affective bias as a rational response to the statistics of rewards and punishments

    Erdem Pulcu, Michael Browning
    Humans adjust the degree to which they learn from positive relative to negative outcomes as a function of how informative they estimate those outcomes to be.
    1. Neuroscience

    Humans perseverate on punishment avoidance goals in multigoal reinforcement learning

    Paul B Sharp, Evan M Russek ... Eran Eldar
    Humans perseverate on previously instructed goals in a novel multigoal reinforcement learning task, and do this to a greater extent for punishment avoidance goals.
    1. Neuroscience

    Descending neuron population dynamics during odor-evoked and spontaneous limb-dependent behaviors

    Florian Aymanns, Chin-Lin Chen, Pavan Ramdya
    In the fly, Drosophila melanogaster, the population activity of descending neurons (DNs) projecting from the brain to the motor system is predominantly correlated with locomotion with only a few DNs encoding grooming or olfactory signals in the absence of behavior.
    1. Neuroscience

    The amygdala instructs insular feedback for affective learning

    Dominic Kargl, Joanna Kaczanowska ... Wulf Haubensak
    Hierarchical information flow in a cortico-limbic loop between the insular cortex, central amygdala and the cholinergic basal forebrain links bodily states with environmental stimuli to guide fear and reward behavior.

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