124 results found
    1. Neuroscience

    Recurrent circuit dynamics underlie persistent activity in the macaque frontoparietal network

    Eric Hart, Alexander C Huk
    Simultaneous recordings of neural ensembles in both the frontal and parietal cortices reveal how persistent activity can be maintained in the primate brain during visuospatial working memory.
    1. Neuroscience

    Content-specific activity in frontoparietal and default-mode networks during prior-guided visual perception

    Carlos González-García, Matthew W Flounders ... Biyu J He
    Prior experience alters content-specific neural representations of visual input in frontoparietal and default-mode networks.
    1. Neuroscience

    Task-evoked metabolic demands of the posteromedial default mode network are shaped by dorsal attention and frontoparietal control networks

    Godber M Godbersen, Sebastian Klug ... Andreas Hahn
    In the human brain, default mode network BOLD deactivations can be accompanied by both increases and decreases in glucose metabolism, depending on the respective metabolic demands of task-positive cognitive control and attention networks.
    1. Neuroscience

    Synchronous beta rhythms of frontoparietal networks support only behaviorally relevant representations

    Evan G Antzoulatos, Earl K Miller
    Beta-band oscillations in the frontoparietal network may act as a filter of relevant versus irrelevant neural representations for the ongoing cognitive task.
    1. Neuroscience

    Electrophysiological dynamics of salience, default mode, and frontoparietal networks during episodic memory formation and recall revealed through multi-experiment iEEG replication

    Anup Das, Vinod Menon
    Human intracranial electroencephalography recordings across 177 participants and four diverse episodic memory experiments demonstrate how the anterior insula node of the salience network orchestrates dynamics of large-scale brain networks.
    1. Neuroscience

    Externally induced frontoparietal synchronization modulates network dynamics and enhances working memory performance

    Ines R Violante, Lucia M Li ... David J Sharp
    Externally induced synchronous/desynchronous oscillations during working memory performance reveal distinct patterns of brain activity and connectivity across large-scale networks recruited by the task.
    1. Neuroscience

    Neural basis of somatosensory target detection independent of uncertainty, relevance, and reports

    Pia Schröder, Timo Torsten Schmidt, Felix Blankenburg
    Neural correlates of somatosensory target detection are restricted to secondary somatosensory cortex, whereas activity in insular, cingulate, and motor regions reflects stimulus uncertainty and overt reports.
    1. Neuroscience

    Differential dopaminergic modulation of spontaneous cortico–subthalamic activity in Parkinson’s disease

    Abhinav Sharma, Diego Vidaurre ... Esther Florin
    Dopaminergic medication has differential effects on the discovered electrophysiological networks, which could be used to develop new electrical and pharmacological interventions in Parkinson’s disease.
    1. Computational and Systems Biology

    Disruption in structural–functional network repertoire and time-resolved subcortical fronto-temporoparietal connectivity in disorders of consciousness

    Rajanikant Panda, Aurore Thibaut ... Prejaas Tewarie
    Loss of nonstationary connectivity in a subcortical fronto-temporoparietal network distinguishes patients with minimal conscious state and unresponsive wakefulness state, strongly supporting the mesocircuit hypothesis.
    1. Neuroscience

    Optimization of energy state transition trajectory supports the development of executive function during youth

    Zaixu Cui, Jennifer Stiso ... Theodore D Satterthwaite
    Structural network topology develops during adolescence to facilitate activation of the fronto-parietal executive system with lower theoretical energetic cost.

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