4,100 results found
    1. Neuroscience

    Dynamic representation of 3D auditory space in the midbrain of the free-flying echolocating bat

    Ninad B Kothari et al.
    Neurons in the midbrain superior colliculus of free-flying echolocating bats represent 3D sensory space, and the depth tuning of single neurons is modulated by an animal's active sonar inspection of physical objects in its environment.
    1. Neuroscience

    Whole-organism behavioral profiling reveals a role for dopamine in state-dependent motor program coupling in C. elegans

    Nathan Cermak et al.
    Simultaneous quantification of each of the main motor programs in the roundworm C. elegans yields new insights into the neural mechanisms that coordinate animal behavior.
    1. Ecology

    Cyclic bouts of extreme bradycardia counteract the high metabolism of frugivorous bats

    M Teague O'Mara et al.
    Novel heart rate strategies that minimize energy expenditure during the day are necessary to cope with high energy nocturnal lifestyles of tent-making bats.
    1. Neuroscience

    Irregular spiking of pyramidal neurons organizes as scale-invariant neuronal avalanches in the awake state

    Timothy Bellay et al.
    Spontaneous, irregular spiking in single cortical pyramidal neurons assembles as neuronal avalanches at the group level identifying a robust scale-invariant organization of resting activity in the awake state.
    1. Neuroscience

    Place cells on a maze encode routes rather than destinations

    Roddy M Grieves et al.
    Place cells in the rat hippocampus encode positions along well-learned routes as opposed to intended destinations.
    1. Neuroscience

    Corticostriatal dynamics encode the refinement of specific behavioral variability during skill learning

    Fernando J Santos et al.
    Recordings from the mouse brain as animals learn a lever pressing task reveal how the motor system optimizes skill learning by reducing variability in those aspects of task performance that are essential for achieving a goal.
    1. Neuroscience

    CA1 cell activity sequences emerge after reorganization of network correlation structure during associative learning

    Mehrab N Modi et al.
    As mice learn to associate events separated in time, neurons within the CA1 region of the hippocampus progressively reorganize their firing patterns, leading to a relay of cellular activity that bridges the two events.
    1. Computational and Systems Biology
    2. Neuroscience

    Spike-timing-dependent ensemble encoding by non-classically responsive cortical neurons

    Michele N Insanally et al.
    During behavior, many neurons do not have classic trial-averaged responses to behaviorally relevant stimuli, but can still have activity and population dynamics related to stimulus and behavioral choice on single trials.
    1. Neuroscience

    Rigid firing sequences undermine spatial memory codes in a neurodegenerative mouse model

    Jingheng Cheng, Daoyun Ji
    In a mouse model of neurodegeneration, hippocampal firing sequences that normally encode spatial memories become disengaged from external space.
    1. Evolutionary Biology

    Bioacoustics: Characterizing the hum of hovering animals

    Robert Niese
    The sounds of flying animals, such as the hum of a hummingbird as it hovers, are influenced by the unique forces generated by the flapping of their wings.
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