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Unlabelled: Expectation of reward can be shaped by the observation of actions and expressions of other people in one's environment. A person's apparent confidence in the likely reward of an action, for instance, makes qualities of their evidence, not observed directly, socially accessible. This strategy is computationally distinguished from associative learning methods that rely on direct observation, by its use of inference from indirect evidence. In twenty-three healthy human subjects, we isolated effects of first-hand experience, other people's choices, and the mediating effect of their confidence, on decision-making and neural correlates of value within ventromedial prefrontal cortex (vmPFC). Value derived from first-hand experience and other people's choices (regardless of confidence) were indiscriminately represented across vmPFC. However, value computed from agent choices weighted by their associated confidence was represented with specificity for ventromedial area 10. This pattern corresponds to shifts of connectivity and overlapping cognitive processes along a posterior-anterior vmPFC axis. Task behavior and self-reported self-reliance for decision-making in other social contexts correlated. The tendency to conform in other social contexts corresponded to increased activation in cortical regions previously shown to respond to social conflict in proportion to subsequent conformity (Campbell-Meiklejohn et al., 2010). The tendency to self-monitor predicted a selectively enhanced response to accordance with others in the right temporoparietal junction (rTPJ). The findings anatomically decompose vmPFC value representations according to computational requirements and provide biological insight into the social transmission of preference and reassurance gained from the confidence of others.
Significance Statement: Decades of research have provided evidence that the ventromedial prefrontal cortex (vmPFC) signals the satisfaction we expect from imminent actions. However, we have a surprisingly modest understanding of the organization of value across this substantial and varied region. This study finds that using cues of the reliability of other peoples' knowledge to enhance expectation of personal success generates value correlates that are anatomically distinct from those concurrently computed from direct, personal experience. This suggests that representation of decision values in vmPFC is suborganized according to the underlying computation, consistent with what we know about the anatomical heterogeneity of the region. These results also provide insight into the observational learning process by which someone else's confidence can sway and reassure our choices.
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http://dx.doi.org/10.1523/JNEUROSCI.4490-15.2016 | DOI Listing |
Genet Med Open
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Institute of Human Genetics, Medical University of Innsbruck, Innsbruck, Austria.
In spring 2022, the inaugural cohort of Genetic and Genomic Counseling MSc students graduated from the Medical University of Innsbruck, representing a significant milestone for the establishment of the genetic counselor (GC) profession in the German-speaking countries. A pivotal component of their education was a 15-week clinical training period. The placement experiences of both students and supervisors offered valuable insights into the attitudes of medical geneticists toward the profession.
View Article and Find Full Text PDFNarrat Inq Bioeth
December 2024
This symposium includes twelve personal narratives from healthcare interpreters who have navigated challenges while interpreting for patients and healthcare providers who do not share a common language. These stories are from trained professionals who speak a variety of spoken and sign languages. They describe what it is like to be a communication tool for a Patient-Physician relationship and the many ways this service takes a toll on their own physical and emotional health.
View Article and Find Full Text PDFBMJ Sex Reprod Health
December 2024
Centre for Reproductive Research & Communication, British Pregnancy Advisory Service, London, UK.
Objective: To explore experiences of pain during medical abortion and provide patient-centred recommendations for improving abortion experience and pain counselling.
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PLoS One
December 2024
Collective for Midwifery, Child and Family Health, School of Nursing and Midwifery, Faculty of Health, University of Technology Sydney, Ultimo, NSW, Australia.
Background: The mistreatment of women during maternity care hinders quality care globally and deter women from seeking health services. To implement necessary actions, it is essential to explore instances of mistreatment, their factors and negative outcomes. This study explores the narratives of mistreatment experienced by women, its drivers, as well as the consequences of mistreatment.
View Article and Find Full Text PDFCurr Protoc
December 2024
Diagnostic Radiology and Nuclear Medicine, University of Maryland School of Medicine, Baltimore, Maryland.
Studying adipogenesis and adipocyte biology requires the isolation of primary preadipocytes from adipose tissues. However, primary preadipocytes have a limited lifespan, can only undergo a finite number of divisions, and often lose their original biological characteristics before becoming senescent. The repeated isolation of fresh preadipocytes, particularly from young pups or aged animals, is costly and time consuming.
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