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7 result(s) for "Sarinopoulos, Issidoros"
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Functional neuroanatomy of aversion and its anticipation
The capacity to anticipate aversive circumstances is central not only to successful adaptation but also to understanding the abnormalities that contribute to excessive worry and anxiety disorders. Forecasting and reacting to aversive events mobilize a host of affective and cognitive capacities and corresponding brain processes. Rapid event-related functional magnetic resonance imaging (fMRI) in 21 healthy volunteers assessed the overlap and divergence in the neural instantiation of anticipating and being exposed to aversive pictures. Brain areas jointly activated by the anticipation of and exposure to aversive pictures included the dorsal amygdala, anterior insula, dorsal anterior cingulate cortex (ACC), right dorsolateral prefrontal cortex (DLPFC), and right posterior orbitofrontal cortex (OFC). Anticipatory processes were uniquely associated with activations in rostral ACC, a more superior sector of the right DLPFC, and more medial sectors of the bilateral OFC. Activation of the right DLPFC in anticipation of aversion was associated with self-reports of increased negative affect, whereas OFC activation was associated with increases in both positive and negative affect. These results show that anticipation of aversion recruits key brain regions that respond to aversion, thereby potentially enhancing adaptive responses to aversive events.
Learning Collaborative Events With Child Welfare and Health Care Providers Improve Systems Knowledge and Intent to Change
Introduction: Children in foster care are at higher risk of health problems. These risks present challenges to achieving permanency, safety, and well-being. Despite efforts to improve the systems serving children in foster care, gaps remain in achieving timely and quality health services. Based on stakeholder reports that health care provider knowledge about child welfare systems is a barrier to care, the Fostering Health Partnerships project conducted 2-session learning collaborative events across Michigan. The project team hypothesized that participants would increase knowledge of child welfare policy and that physician participants would identify and commit to practice change to improve health care services to children in foster care. Methods: Learning collaborative events included an in-person session followed by a live webinar session. Participants included child welfare professionals, physicians, and other health care representatives. Participants completed surveys assessing knowledge about child welfare health policy. Physician participants completed a post-event interview. The investigators used pre- and post-intervention survey design and qualitative evaluation of physician interview data to assess the impact of the learning collaborative events on knowledge and practice. Results: A total of 781 individuals attended the initial session and 383 attended the second session of 36 events for 80 counties in Michigan. 247 individuals completed pre- and post-event surveys and 7 physicians completed interviews after the events. Survey data showed that event participants demonstrated increased knowledge of child welfare policy related to health (P < .001). Interviewed physicians reported making practice changes to improve health care services and indicated that the events were valuable though time intensive. Conclusion: An abbreviated learning collaborative process is an effective tool to improve knowledge and drive practice change. Future efforts will build on this project to improve access, coordination, and quality health services for children in foster care.
The Effect of Anticipation and the Specificity of Sex Differences for Amygdala and Hippocampus Function in Emotional Memory
Prior research has shown memory is enhanced for emotional events. Key brain areas involved in emotional memory are the amygdala and hippocampus, which are also recruited during aversion and its anticipation. This study investigated whether anticipatory processes signaling an upcoming aversive event contribute to emotional memory. In an event-related functional MRI paradigm, 40 healthy participants viewed aversive and neutral pictures preceded by predictive warning cues. Participants completed a surprise recognition task directly after functional MRI scanning or 2 weeks later. In anticipation of aversive pictures, bilateral dorsal amygdala and anterior hippocampus activations were associated with better immediate recognition memory. Similar associations with memory were observed for activation of those areas in response to aversive pictures. Anticipatory activation predicted immediate memory over and above these associations for picture viewing. Bilateral ventral amygdala activations in response to aversive pictures predicted delayed memory only. We found that previously reported sex differences of memory associations with left amygdala for women and with right amygdala for men were confined to the ventral amygdala during picture viewing and delayed memory. Results support an established animal model elucidating the functional neuroanatomy of the amygdala and hippocampus in emotional memory, highlight the importance of anticipatory processes in such memory for aversive events, and extend neuroanatomical evidence of sex differences for emotional memory.
Patient Experience with the Patient-Centered Medical Home in Michigan’s Statewide Multi-Payer Demonstration: A Cross-Sectional Study
BackgroundThe literature on patient-centered medical homes (PCMHs) and patient experience is somewhat mixed. Government and private payers are promoting multi-payer PCMH initiatives to align requirements and resources and to enhance practice transformation outcomes. To this end, the multipayer Michigan Primary Care Transformation (MiPCT) demonstration project was carried out.ObjectiveTo examine whether the PCMH is associated with a better patient experience, and whether a mature, multi-payer PCMH demonstration is associated with even further improvement in the patient experience.DesignThis is a cross-sectional comparison of adults attributed to MiPCT PCMH, non-participating PCMH, and non-PCMH practices, statistically controlling for potential confounders, and conducted among both general and high-risk patient samples.ParticipantsResponses came from 3893 patients in the general population and 4605 in the high-risk population (response rates of 31.8% and 34.1%, respectively).Main MeasuresThe Clinician and Group Consumer Assessment of Healthcare Providers and Systems survey, with PCMH supplemental questions, was administered in January and February 2015.Key ResultsMiPCT general and high-risk patients reported a significantly better experience than non-PCMH patients in most domains. Adjusted mean differences were as follows: access (0.35**, 0.36***), communication (0.19*, 0.18*), and coordination (0.33**, 0.35***), respectively (on a 10-point scale, with significance indicated by: *= p<0.05, **= p<0.01, and ***= p<0.001). Adjusted mean differences in overall provider ratings were not significant. Global odds ratios were significant for the domains of self-management support (1.38**, 1.41***) and comprehensiveness (1.67***, 1.61***). Non-participating PCMH ratings fell between MiPCT and non-PCMH across all domains and populations, sometimes attaining statistical significance.ConclusionsPCMH practices have more positive patient experiences across domains characteristic of advanced primary care. A mature multi-payer model has the strongest, most consistent association with a better patient experience, pointing to the need to provide consistent expectations, resources, and time for practice transformation. Our results held for a general population and a high-risk population which has much more contact with the healthcare system.
Altering expectancy dampens neural response to aversive taste in primary taste cortex
The primary taste cortex consists of the insula and operculum. Previous work has indicated that neurons in the primary taste cortex respond solely to sensory input from taste receptors and lingual somatosensory receptors. Using functional magnetic resonance imaging, we show here that expectancy modulates these neural responses in humans. When subjects were led to believe that a highly aversive bitter taste would be less distasteful than it actually was, they reported it to be less aversive than when they had accurate information about the taste and, moreover, the primary taste cortex was less strongly activated. In addition, the activation of the right insula and operculum tracked online ratings of the aversiveness for each taste. Such expectancy-driven modulation of primary sensory cortex may affect perceptions of external events.
Forgiveness and physical health
This study assessed the relationship between forgiveness as measured by the Enright Forgiveness Inventory (EFI) and physical health status with a sample of 101 middle-aged adults and 91 of their college-aged children in the Midwestern United States. When controlling for a variety of demographic and health risk factors (vis., age, sex, body mass index, smoking, alcohol, salt, caffeine, and exercise), forgiveness was inversely related to higher reported incidence of physical symptoms and a variety of somatic illnesses, particularly in the adult sample. In other words those who forgave the least had the most health problems. In the middle-aged sample forgiveness was also specifically related to reported hypertension and heart disease as well as heart disease-related symptoms. Further, the relationship between forgiveness and health was maintained after adjusting for the effects of hostility, and suppressed and expressed anger. Results suggest that forgiving serious offences that lead to deep hurt may decrease vulnerability to disease. Replication of these findings is now necessary.