3,179 results found
    1. Neuroscience

    Spontaneous neurotransmission signals through store-driven Ca2+ transients to maintain synaptic homeostasis

    Austin L Reese, Ege T Kavalali
    Individual neurons can adjust the strength of their synapses by using spontaneous calcium influx through NMDA receptors to trigger the release of additional calcium from intracellular stores, which can in turn be used to regulate protein synthesis.
    1. Neuroscience

    Macro-scale patterns in functional connectivity associated with ongoing thought patterns and dispositional traits

    Samyogita Hardikar, Bronte Mckeown ... Jonathan Smallwood
    Interactions between attention systems and the default mode network are linked to individual differences in trait and state-level experience and cognition.
    1. Neuroscience

    Adaptation of spontaneous activity in the developing visual cortex

    Marina E Wosniack, Jan H Kirchner ... Julijana Gjorgjieva
    To generate stable and robust connectivity refinements, the amplitude of spontaneous activity events in the developing visual cortex adapts to the recent history of cortical activation.
    1. Neuroscience

    Acquisition of innate odor preference depends on spontaneous and experiential activities during critical period

    Qiang Qiu, Yunming Wu ... C Ron Yu
    A delicate balance of neural activity is required during critical period in establishing innate odor preference.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Obligate coupling of CFTR pore opening to tight nucleotide-binding domain dimerization

    Csaba Mihályi, Beáta Töröcsik, László Csanády
    Coupling of CFTR pore opening to nucleotide binding domain dimerization does not depend on ATP binding, but is an inherent property of the channel protein and likely other ABC transporters.
    1. Neuroscience

    Fast transient networks in spontaneous human brain activity

    Adam P Baker, Matthew J Brookes ... Mark Woolrich
    Non-invasive MEG recordings reveal that patterns of spontaneous activity in the resting brain are shorter lived than previously thought.
    1. Neuroscience

    Causal roles of prefrontal cortex during spontaneous perceptual switching are determined by brain state dynamics

    Takamitsu Watanabe
    Prefrontal causal roles in bistable perception are dynamically changing and determined by the brain state to which the whole-brain activity pattern belongs.
    1. Neuroscience

    Single synapse evaluation of the postsynaptic NMDA receptors targeted by evoked and spontaneous neurotransmission

    Austin L Reese, Ege T Kavalali
    In a population of mammalian central synapses, spontaneous and evoked neurotransmitter release processes are independently distributed; yet, postsynaptic receptors within a single synapse preferentially receive neurotransmitter from only one mode of release.
    1. Neuroscience

    Circuit mechanisms underlying embryonic retinal waves

    Christiane Voufo, Andy Quaen Chen ... Alexandre Tiriac
    Calcium imaging reveals spatiotemporal properties of correlated spontaneous activity in the embryonic retina and implicates a role for electrical and chemical synapses in generating the activity.
    1. Neuroscience

    Alterations in the intrinsic properties of striatal cholinergic interneurons after dopamine lesion and chronic L-DOPA

    Se Joon Choi, Thong C Ma ... Un Jung Kang
    HCN and SK channel currents in striatal cholinergic neurons are decreased with dopamine loss, but only HCN is restored by chronic L-DOPA and SK abnormality persists in dyskinesia.

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