27 results found
    1. Neuroscience

    Bundle-specific associations between white matter microstructure and Aβ and tau pathology in preclinical Alzheimer’s disease

    Alexa Pichet Binette et al.
    White matter microstructure alterations in key bundles affected in Alzheimer's disease are related to amyloid and tau pathology in the preclinical phase of sporadic and autosomal-dominant Alzheimer's disease.
    1. Neuroscience

    A theory of working memory without consciousness or sustained activity

    Darinka Trübutschek et al.
    Visual information can be maintained in non-conscious working memory for several seconds via short-term changes in synaptic weights.
    1. Ecology
    2. Evolutionary Biology

    The evolution of non-reproductive workers in insect colonies with haplodiploid genetics

    Jason W Olejarz et al.
    A mathematical model predicts the precise conditions for natural selection to favor the evolution of non-reproductive workers in insect colonies with haplodiploid genetics.
    1. Neuroscience

    A Matlab-based toolbox for characterizing behavior of rodents engaged in string-pulling

    Samsoon Inayat et al.
    Analysis methods for video data of rodents engaged in string-pulling behavior have been developed and used to highlight differences in motion profiles of Swiss Webster and C57Bl/6 mice.
    1. Ecology
    2. Evolutionary Biology

    Sex-specific effects of cooperative breeding and colonial nesting on prosociality in corvids

    Lisa Horn et al.
    A systematic experimental comparison of prosocial behavior in eight corvid species reveals sex-specific effects of cooperative breeding and colonial nesting, thereby adding important new insights regarding the evolution of prosociality.
    1. Microbiology and Infectious Disease
    2. Physics of Living Systems

    Delayed antibiotic exposure induces population collapse in enterococcal communities with drug-resistant subpopulations

    Kelsey M Hallinen et al.
    Collapse of bacterial communities containing antibiotic-resistant and susceptible cells can be driven by increased population size or delayed drug exposure.
    1. Evolutionary Biology

    Destructive disinfection of infected brood prevents systemic disease spread in ant colonies

    Christopher D Pull et al.
    Upon detecting a fatal infection using chemical cues, ants puncture the cuticle of sick brood and inject antimicrobial poison that disrupts the pathogen's life cycle and prevents it from reproducing, thus protecting the colony from disease.
    1. Ecology
    2. Computational and Systems Biology

    Community-level cohesion without cooperation

    Mikhail Tikhonov
    A model of purely competitive ecological dynamics is shown to be equivalent to adaptive evolution of a single individual, suggesting a new way to formalize the "superorganism" metaphor.
    1. Neuroscience

    The dorsomedial prefrontal cortex computes task-invariant relative subjective value for self and other

    Matthew Piva et al.
    Activity in the dorsomedial prefrontal cortex encodes relative subjective value in a common neural code across decision-making for self and other and across tasks with divergent cognitive requirements.

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