3,667 results found
    1. Neuroscience

    Effects of clozapine-N-oxide and compound 21 on sleep in laboratory mice

    Janine Traut, Jose Prius Mengual ... Lukas B Krone
    The two most commonly used chemogenetic actuators, clozapine-N-oxide and compound 21, similarly modulate sleep in wild-type laboratory mice indicating that even designer drugs which do not convert to clozapine can elicit behavioural effects and require adequate controls.
    1. Neuroscience

    A striatal circuit balances learned fear in the presence and absence of sensory cues

    Michael Kintscher, Olexiy Kochubey, Ralf Schneggenburger
    Direct- and indirect pathway neurons of the posterior striatum display divergent in vivo and ex vivo plasticity after fear learning, and differentially modulate defensive behaviors displayed in the presence, and absence of threat-predicting sensory cues.
    1. Neuroscience

    A comprehensive excitatory input map of the striatum reveals novel functional organization

    Barbara J Hunnicutt, Bart C Jongbloets ... Tianyi Mao
    The first comprehensive map of all excitatory inputs to the mouse striatum is presented and used to define and demarcate striatal subdivisions, including a previous unappreciated novel subdivision in the posterior striatum.
    1. Chromosomes and Gene Expression
    2. Microbiology and Infectious Disease

    Common virulence gene expression in adult first-time infected malaria patients and severe cases

    J Stephan Wichers, Gerry Tonkin-Hill ... Anna Bachmann
    Parasites with pathogenic variant surface antigens are common in adult malaria patients with a naive immune status.
    1. Neuroscience

    Distinct temporal difference error signals in dopamine axons in three regions of the striatum in a decision-making task

    Iku Tsutsui-Kimura, Hideyuki Matsumoto ... Mitsuko Watabe-Uchida
    Dopamine signals in the ventral, dorsomedial, and dorsolateral striatum are modulated by various variables, such as stimulus-associated value, choice, confidence, but these modulations can be inclusively explained by TD errors.
    1. Neuroscience

    The organizational principles of de-differentiated topographic maps in somatosensory cortex

    Peng Liu, Anastasia Chrysidou ... Esther Kuehn
    SI topographic finger maps of older adults show signs of cortical aging but do not show classical hallmarks of cortical de-differentiation.
    1. Ecology
    2. Neuroscience

    Unique neural coding of crucial versus irrelevant plant odors in a hawkmoth

    Sonja Bisch-Knaden, Michelle A Rafter ... Bill S Hansson
    The sense of smell of female hawkmoths has evolved to find the intense odor of floral nectar sources as well as inconspicuous scents of oviposition sites within a complex olfactory landscape.
    1. Neuroscience
    2. Physics of Living Systems

    Mathematical relationships between spinal motoneuron properties

    Arnault H Caillet, Andrew TM Phillips ... Luca Modenese
    Validated mathematical relationships between motoneuron morphometric and electrophysiological properties are provided as a tool for neuroscientists and modellers to generate hypotheses for experimental studies investigating currently unreported relationships and build virtual motoneuron profiles with consistent properties for modelling purposes.
    1. Evolutionary Biology

    New fossils of Australopithecus sediba reveal a nearly complete lower back

    Scott A Williams, Thomas Cody Prang ... Lee R Berger
    Newly recovered lumbar vertebrae belonging to Malapa Hominin 2, an adult female of the fossil hominin species Australopithecus sediba, demonstrate that this individual was adapted to upright posture and bipedal locomotion but also had adaptations for climbing in trees.
    1. Neuroscience

    Inferring synaptic inputs from spikes with a conductance-based neural encoding model

    Kenneth W Latimer, Fred Rieke, Jonathan W Pillow
    The conductance-based encoding model creates a new bridge between statistical models and biophysical models of neurons, and infers visually-evoked excitatory and inhibitory synaptic conductances from spike trains in macaque retina.

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