1,110 results found
    1. Neuroscience

    Nitric oxide acts as a cotransmitter in a subset of dopaminergic neurons to diversify memory dynamics

    Yoshinori Aso et al.
    The interplay of nitric oxide and dopamine specialize one memory unit in a fly brain in predicting the value of odors based only on recent experience.
    1. Neuroscience

    Hippocampal ensemble dynamics timestamp events in long-term memory

    Alon Rubin et al.
    Temporally close events share a common timestamp regardless of the spatial context in which they occur.
    1. Neuroscience

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

    Ines R Violante et al.
    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. Human Biology and Medicine
    2. Neuroscience

    Dynamic behavior of the locus coeruleus during arousal-related memory processing in a multi-modal 7T fMRI paradigm

    Heidi IL Jacobs et al.
    By combining ultra-high-field imaging with physiological and saliva measures it is established that interactions between locus coeruleus, hippocampus and amygdala vary along emotional memory stages, putatively reflecting distinct cognitive states.
    1. Neuroscience

    Associative Learning: How nitric oxide helps update memories

    Daniel JE Green, Andrew C Lin
    Some dopaminergic neurons release both dopamine and nitric oxide to increase the flexibility of olfactory memories.
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    1. Chromosomes and Gene Expression

    Temporal dynamics and developmental memory of 3D chromatin architecture at Hox gene loci

    Daan Noordermeer et al.
    Hox genes are activated sequentially and, at the same time, undergo a transition from an inactive to an active chromatin compartment, most likely to prevent posterior genes being activated too early.
    1. Computational and Systems Biology
    2. Immunology and Inflammation

    T-cell Immunology: The maths of memory

    Jose Borghans, Ruy M Ribeiro
    Mathematical modeling reveals that long-term immunological memory is maintained in a manner that is even more dynamic than previously thought.
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    1. Neuroscience

    Clusters of cooperative ion channels enable a membrane-potential-based mechanism for short-term memory

    Paul Pfeiffer et al.
    Independently gating ion channels typically act fast within milliseconds, but cooperative interactions within a cluster of channels allow for a memory of previous electrical activity for several seconds.
    1. Developmental Biology
    2. Evolutionary Biology

    Multicellularity: The evolution of gene regulation

    Veronica Hinman, Gregory Cary
    The gene regulation mechanisms necessary for the development of complex multicellular animals have been found in sponges.
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    1. Cell Biology
    2. Microbiology and Infectious Disease

    Point of View: Is cell size a spandrel?

    Ariel Amir
    Analysis of experiments on bacteria suggests that the dependence of cell size on growth rate is not an adaptation but a causal consequence of a regulatory mechanism that controls DNA replication.

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