226 results found
    1. Human Biology and Medicine
    2. Neuroscience

    Characterizing a psychiatric symptom dimension related to deficits in goal-directed control

    Claire M Gillan et al.
    A dimensional approach to psychiatry demonstrates the specificity and generalizability of a neurocognitive marker of compulsive behavior and intrusive thought via large-scale online testing.
    1. Human Biology and Medicine
    2. Neuroscience

    Paranoia as a deficit in non-social belief updating

    Erin J Reed et al.
    Paranoia is underwritten by variation in prior beliefs about how the world will change and how to learn from those changes.
    1. Neuroscience

    Associability-modulated loss learning is increased in posttraumatic stress disorder

    Vanessa M Brown et al.
    Veterans with PTSD show increased attention to a history of unexpected outcomes during loss learning, both as measured by computational model-derived behavioral parameters and in increased neural signaling in amygdala and insula.
    1. Neuroscience

    Neural and computational processes underlying dynamic changes in self-esteem

    Geert-Jan Will et al.
    Self-esteem, the value that people ascribe to the self, is represented in the ventromedial prefrontal cortex and dynamically updated when people learn how others value them.
    1. Neuroscience

    Autistic traits, but not schizotypy, predict increased weighting of sensory information in Bayesian visual integration

    Povilas Karvelis et al.
    Autistic traits are associated with weaker influence of prior expectations in visual perception, which is due to more precise sensory representations.
    1. Neuroscience

    Neurophysiology: Serotonin's many meanings elude simple theories

    Peter Dayan, Quentin Huys
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    1. Neuroscience

    Prefrontal Cortex: A tale of two pathways

    Jonathan A Oler, Julie L Fudge
    A combination of invasive and non-invasive techniques has allowed researchers to take a closer look at the two major neural pathways that connect the amygdala and the prefrontal cortex.
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  1. Research: The readability of scientific texts is decreasing over time

    Pontus Plavén-Sigray et al.
    Scientific abstracts have become less readable over the past 130 years, in part because recent texts include more general scientific jargon than older texts.
    1. Computational and Systems Biology
    2. Neuroscience

    Reciprocal regulation of ARPP-16 by PKA and MAST3 kinases provides a cAMP-regulated switch in protein phosphatase 2A inhibition

    Veronica Musante et al.
    A complex interplay between MAST3 and PKA protein kinases and the regulatory protein ARPP-16 allows cAMP to control the activity of protein phosphatase 2A.
    1. Neuroscience

    Poor coherence in older people's speech is explained by impaired semantic and executive processes

    Paul Hoffman et al.
    Remaining focused on the topic at hand when speaking depends on effective selection of task-relevant semantic knowledge, and declines in this ability account for increases in off-topic speech in older people.

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