145 results found
    1. Neuroscience

    Human observers have optimal introspective access to perceptual processes even for visually masked stimuli

    Megan A K Peters, Hakwan Lau
    Despite the widely held belief among researchers in consciousness that healthy observers can show unconscious perception, a study using a novel method to control for response biases finds no evidence for this phenomenon.
    1. Neuroscience

    Distinct cortical codes and temporal dynamics for conscious and unconscious percepts

    Moti Salti et al.
    Stimuli are encoded differently in the brain when perceived consciously and unconsciously; for conscious perception, the representations are stronger in certain brain regions and they display more complex dynamics.
    1. Neuroscience

    Unexpected arousal modulates the influence of sensory noise on confidence

    Micah Allen et al.
    Changes in physiological arousal – as revealed by pupil dilation and heart rate – shape our confidence in decisions about uncertain perceptual information.
    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. Neuroscience

    The SSVEP tracks attention, not consciousness, during perceptual filling-in

    Matthew J Davidson et al.
    The strength of frequency-tagged neural activity during perceptual filling anti-correlates with the contents of consciousness, yet positively correlates with a neural measure of attention, dissociating these often confounded brain processes.
    1. Neuroscience

    Attention periodically samples competing stimuli during binocular rivalry

    Matthew J Davidson et al.
    A combined behavioural and electroencephalographic approach investigating the covert allocation of attention shows evidence for distributed periodic sampling away from a conscious visual image.
    1. Neuroscience

    An afferent white matter pathway from the pulvinar to the amygdala facilitates fear recognition

    Jessica McFadyen et al.
    A subcortical white matter connection from the pulvinar to the amygdala predicts how well we recognise fearful faces and the strength of feed-forward neural connectivity.
    1. Neuroscience

    Neural effects of propofol-induced unconsciousness and its reversal using thalamic stimulation

    André M Bastos et al.
    Understanding how general anesthesia changes neural dynamics in the cortex and thalamus can lead to its safer use and shed light on the nature of consciousness.
    1. Neuroscience

    Body ownership promotes visual awareness

    Björn van der Hoort et al.
    Inducing illusory ownership of a fake hand increases the perceptual dominance of that hand during binocular rivalry.
    1. Neuroscience

    A new no-report paradigm reveals that face cells encode both consciously perceived and suppressed stimuli

    Janis Karan Hesse, Doris Y Tsao
    Conscious visual percepts are encoded by face patches in the absence of report, can be decoded from population recordings, and are multiplexed with the veridical physical stimulus.

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