3,344 results found
    1. Neuroscience

    Stimulus relevance modulates contrast adaptation in visual cortex

    Andreas J Keller, Rachael Houlton ... Fritjof Helmchen
    Cortex dynamically regulates the flow of sensory information by suppressing responses of non-relevant stimuli through mechanisms of adaptation, while boosting sensory responses that are behaviorally important.
    1. Neuroscience

    Preserved sensory processing but hampered conflict detection when stimulus input is task-irrelevant

    Stijn Adriaan Nuiten, Andrés Canales-Johnson ... Simon van Gaal
    When all features of conflicting sensory input are task-irrelevant, the brain can still process its sensory information, whereas conflict detection requires that minimally one stimulus feature is task-relevant or associated with a response.
    1. Neuroscience

    Value generalization in human avoidance learning

    Agnes Norbury, Trevor W Robbins, Ben Seymour
    Individual differences in generalization of aversive value (but not safety information) during human active avoidance learning specifically predict experience of anxiety and intrusive thoughts.
    1. Neuroscience

    The sifting of visual information in the superior colliculus

    Kyu Hyun Lee, Alvita Tran ... Markus Meister
    The superior colliculus reveals hallmarks of sophisticated visual computation, including selectivity, invariance, and stimulus-specific habituation to behaviorally relevant stimuli.
    1. Neuroscience

    Neural basis of somatosensory target detection independent of uncertainty, relevance, and reports

    Pia Schröder, Timo Torsten Schmidt, Felix Blankenburg
    Neural correlates of somatosensory target detection are restricted to secondary somatosensory cortex, whereas activity in insular, cingulate, and motor regions reflects stimulus uncertainty and overt reports.
    1. Computational and Systems Biology
    2. Neuroscience

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

    Michele N Insanally, Ioana Carcea ... Robert C Froemke
    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. Computational and Systems Biology
    2. Neuroscience

    Asymmetric retinal direction tuning predicts optokinetic eye movements across stimulus conditions

    Scott C Harris, Felice A Dunn
    Retinal physiology and anatomy and visual behavior reveal how sensory circuits in the retina can shape an organism’s eye movements over a range of ethologically relevant stimulus conditions.
    1. Neuroscience

    Spherical arena reveals optokinetic response tuning to stimulus location, size, and frequency across entire visual field of larval zebrafish

    Florian A Dehmelt, Rebecca Meier ... Aristides B Arrenberg
    Systematic stimulation across the entire visual field reveals that zebrafish optokinetic behavior is most strongly driven by lateral stimulus locations, as a result of both retinal and extra-retinal effects.
    1. Neuroscience

    Stimulus dependence of directed information exchange between cortical layers in macaque V1

    Marc Alwin Gieselmann, Alexander Thiele
    Stimulus-induced causal interactions in the gamma range can flow in direction opposite to the canonical microcircuit, violating the notion that they are signatures of feedforward communication.
    1. Neuroscience

    Differential inhibition onto developing and mature granule cells generates high-frequency filters with variable gain

    María Belén Pardi, Mora Belén Ogando ... Antonia Marin-Burgin
    Immature and mature granule cells in the hippocampal dentate gyrus show differing responses to physiologically relevant stimuli, with immature cells better at encoding stimulus frequency and mature cells better at encoding stimulus onset.

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