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    Scopus© Citations 3  8
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    The Psychological Science Accelerator’s COVID-19 rapid-response dataset
    (2023)
    Erin M. Buchanan
    ;
    Savannah C. Lewis
    ;
    Bastien Paris
    ;
    Patrick S. Forscher
    ;
    Jeffrey M. Pavlacic
    In response to the COVID-19 pandemic, the Psychological Science Accelerator coordinated three large-scale psychological studies to examine the effects of loss-gain framing, cognitive reappraisals, and autonomy framing manipulations on behavioral intentions and affective measures. The data collected (April to October 2020) included specific measures for each experimental study, a general questionnaire examining health prevention behaviors and COVID-19 experience, geographical and cultural context characterization, and demographic information for each participant. Each participant started the study with the same general questions and then was randomized to complete either one longer experiment or two shorter experiments. Data were provided by 73,223 participants with varying completion rates. Participants completed the survey from 111 geopolitical regions in 44 unique languages/dialects. The anonymized dataset described here is provided in both raw and processed formats to facilitate re-use and further analyses. The dataset offers secondary analytic opportunities to explore coping, framing, and self-determination across a diverse, global sample obtained at the onset of the COVID-19 pandemic, which can be merged with other time-sampled or geographic data.
      1Scopus© Citations 1  2
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    Human Anterior Insula Encodes Performance Feedback and Relays Prediction Error to the Medial Prefrontal Cortex
    (2020)
    BILLEKE BOBADILLA, PABLO ERNESTO  
    ;
    Tomas Ossandon
    ;
    Marcela Perrone-Bertolotti
    ;
    Philippe Kahane
    ;
    Julien Bastin
    <jats:title>Abstract</jats:title> <jats:p>Adaptive behavior requires the comparison of outcome predictions with actual outcomes (e.g., performance feedback). This process of performance monitoring is computed by a distributed brain network comprising the medial prefrontal cortex (mPFC) and the anterior insular cortex (AIC). Despite being consistently co-activated during different tasks, the precise neuronal computations of each region and their interactions remain elusive. In order to assess the neural mechanism by which the AIC processes performance feedback, we recorded AIC electrophysiological activity in humans. We found that the AIC beta oscillations amplitude is modulated by the probability of performance feedback valence (positive or negative) given the context (task and condition difficulty). Furthermore, the valence of feedback was encoded by delta waves phase-modulating the power of beta oscillations. Finally, connectivity and causal analysis showed that beta oscillations relay feedback information signals to the mPFC. These results reveal that structured oscillatory activity in the anterior insula encodes performance feedback information, thus coordinating brain circuits related to reward-based learning.</jats:p>
      5Scopus© Citations 41
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    Predictors of unmet needs in Chilean older people with dementia: a cross-sectional study
    (2019)
    Thamara Tapia Muñoz
    ;
    Andrea Slachevsky
    ;
    María O. León-Campos
    ;
    Michel Madrid
    ;
    Alejandra Caqueo-Urízar
    Scopus© Citations 29  2