299 results found
    1. Neuroscience

    Phase separation of competing memories along the human hippocampal theta rhythm

    Casper Kerrén, Sander van Bree ... Maria Wimber
    The human brain uses a phase code to temporally segregate overlapping, competing memories along the phase cycle of the theta rhythm.
    1. Neuroscience

    Rhythmic coordination of hippocampal neurons during associative memory processing

    Lara M Rangel, Jon W Rueckemann ... Howard Eichenbaum
    Different rhythms uniquely contribute to task-related processing in the hippocampus, and changes in the rhythmic profile of the hippocampus reflect dynamic coordination of its cell activity.
    1. Computational and Systems Biology
    2. Neuroscience

    Basolateral amygdala oscillations enable fear learning in a biophysical model

    Anna Cattani, Don B Arnold ... Nancy Kopell
    Computational modeling suggests that the BLA is capable of producing the recorded LFP rhythms via interactions of interneuron subtypes, and that those rhythms may be necessary for associative learning.
    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. Neuroscience

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

    Víctor J López-Madrona, Elena Pérez-Montoyo ... Santiago Canals
    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

    Theta oscillations locked to intended actions rhythmically modulate perception

    Alice Tomassini, Luca Ambrogioni ... Eric Maris
    Theta oscillations synchronize perception with the emerging motor intention in an automatic and task-independent way.
    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, Ivan Raikov ... Ivan Soltesz
    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

    A state space modeling approach to real-time phase estimation

    Anirudh Wodeyar, Mark Schatza ... Mark A Kramer
    A statistically principled approach developed to estimate phase of rhythmic signals in real-time shows robustness to multiple sources of error and also provides confidence criteria.
    1. Neuroscience

    Theta-phase-specific modulation of dentate gyrus memory neurons

    Bahar Rahsepar, Jacob F Norman ... John A White
    Consistent with an existing computational model of hippocampal function, using real-time feedback to drive artificial memories at the trough of the hippocampal theta rhythm improves apparent recall.
    1. Computational and Systems Biology
    2. Neuroscience

    Speech encoding by coupled cortical theta and gamma oscillations

    Alexandre Hyafil, Lorenzo Fontolan ... Anne-Lise Giraud
    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.

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