410 results found
    1. Neuroscience

    A causal role for the precuneus in network-wide theta and gamma oscillatory activity during complex memory retrieval

    Melissa Hebscher et al.
    Inhibitory noninvasive stimulation to the precuneus disrupts theta and gamma oscillatory coupling between medial temporal lobes and neocortical regions during complex personal memory retrieval.
    1. Computational and Systems Biology
    2. Neuroscience

    Interneuronal mechanisms of hippocampal theta oscillations in a full-scale model of the rodent CA1 circuit

    Marianne J Bezaire et al.
    Spontaneous theta oscillations and interneuron-specific phase preferences emerge spontaneously in a full-scale model of the isolated hippocampal CA1 subfield, corroborating and extending recent experimental findings.
    1. Neuroscience

    Theta oscillations locked to intended actions rhythmically modulate perception

    Alice Tomassini et al.
    Theta oscillations synchronize perception with the emerging motor intention in an automatic and task-independent way.
    1. Neuroscience

    Different theta frameworks coexist in the rat hippocampus and are coordinated during memory-guided and novelty tasks

    Víctor J López-Madrona et al.
    Integration and segregation of information of memory and sensory in the hippocampus could be achieved by the coordination of distinct theta-gamma coding frameworks.
    1. Neuroscience

    Different types of theta rhythmicity are induced by social and fearful stimuli in a network associated with social memory

    Alex Tendler, Shlomo Wagner
    Variations in the frequency of theta brain waves enable a single network of brain regions to generate appropriate responses to stimuli with different kinds of emotional value.
    1. Computational and Systems Biology
    2. Neuroscience

    Speech encoding by coupled cortical theta and gamma oscillations

    Alexandre Hyafil et al.
    Computational modelling shows that coupled theta and gamma oscillations in the auditory cortex can decompose speech into its syllabic constituents, and organize the neural spiking at faster timescale into a decodable format.
    1. Neuroscience

    Theta-modulation drives the emergence of connectivity patterns underlying replay in a network model of place cells

    Panagiota Theodoni et al.
    The learning rate for novel spatial environments in model networks of place cells is determined by the product of the window for plasticity and the auto-correlation of place-cell activity.
    1. Computational and Systems Biology
    2. Neuroscience

    Flexible theta sequence compression mediated via phase precessing interneurons

    Angus Chadwick et al.
    A new model for phase precession accounts for theta sequence generation, suggests critical roles for interneurons, and predicts circuit properties to optimise memory storage.
    1. Neuroscience

    Independent theta phase coding accounts for CA1 population sequences and enables flexible remapping

    Angus Chadwick et al.
    Independent coding without synaptic coordination explains complex sequences of population activity observed during theta states and maximizes the number of distinct environments that can be encoded through population theta sequences.
    1. Neuroscience

    On cross-frequency phase-phase coupling between theta and gamma oscillations in the hippocampus

    Robson Scheffer-Teixeira, Adriano BL Tort
    Phase-locking of hippocampal theta and gamma waves has been proposed to support memory formation, but an analysis using robust statistical methods finds no convincing evidence for the phenomenon.

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