Using a linear dynamic system to measure functional connectivity from M/EEG.

Measures of functional connectivity (FC) can elucidate which cortical regions work together in order to complete a variety of behavioral tasks. This study's primary objective was to expand a previously published model of measuring FC to include multiple subjects and several regions of interest. While FC has been more extensively investigated in vision and other sensorimotor tasks, it is not as well understood in audition.

Sodium and Human Health: What Can Be Done to Improve Sodium Balance beyond Food Processing?

Sodium plays a key role in the regulation of water balance and is also important in food formulation due to its contribution to the taste and use in the preservation of many foods. Excessive intake of any essential nutrient is problematic and this seems to be particularly the case for sodium since a high intake makes it the nutrient most strongly associated with mortality. Sodium intake has been the object of recommendations by public health agencies such as the WHO and this has resulted in efforts by the food industry to reduce the sodium content of packaged foods, although there is still room for improvement.

Interrogating the Value of Return of Results for Diverse Populations: Perspectives from Precision Medicine Researchers.

Background: Over the last decade, the return of results (ROR) in precision medicine research (PMR) has become increasingly routine. Calls for individual rights to research results have extended the "duty to report" from clinically useful genetic information to traits and ancestry results. ROR has thus been reframed as inherently beneficial to research participants, without a needed focus on who benefits and how.

Rethinking Benefit and Responsibility in the Context of Diversity: Perspectives from the Front Lines of Precision Medicine Research.

Introduction: Federal agencies have instituted guidelines to prioritize the enrollment and retention of diverse participants in precision medicine research (PMR). Prior studies examining participation of minoritized communities have shown that potential benefits represent a key determinant. Human subject research guidance, however, conceptualizes potential benefits narrowly, emphasizing generalized advances in medical knowledge.

Community Engagement in Precision Medicine Research: Organizational Practices and Their Impacts for Equity.

Background: In the wake of mandates for biomedical research to increase participation by members of historically underrepresented populations, community engagement (CE) has emerged as a key intervention to help achieve this goal.

Methods: Using interviews, observations, and document analysis, we examine how stakeholders in precision medicine research understand and seek to put into practice ideas about who to engage, how engagement should be conducted, and what engagement is for.

Results: We find that ad hoc, opportunistic, and instrumental approaches to CE exacted significant consequences for the time and resources devoted to engagement and the ultimate impacts it has on research.

Targeting Representation: Interpreting Calls for Diversity in Precision Medicine Research.

Scientists have identified a "diversity gap" in genetic samples and health data, which have been drawn predominantly from individuals of European ancestry, as posing an existential threat to the promise of precision medicine. Inadequate inclusion as articulated by scientists, policymakers, and ethicists has prompted large-scale initiatives aimed at recruiting populations historically underrepresented in biomedical research. Despite explicit calls to increase diversity, the meaning of diversity - which dimensions matter for what outcomes and why - remain strikingly imprecise.

Strategies of inclusion: The tradeoffs of pursuing "baked in" diversity through place-based recruitment.

US funding agencies have begun to institutionalize expectations that biomedical studies achieve defined thresholds for diversity among research participants, including in precision medicine research (PMR). In this paper, we examine how practices of recruitment have unfolded in the wake of these diversity mandates. We find that a very common approach to seeking diverse participants leverages understandings of spatial, geographic, and site diversity as proxies and access points for participant diversity.

Statistical Deconvolution for Inference of Infection Time Series.

Accurate measurement of daily infection incidence is crucial to epidemic response. However, delays in symptom onset, testing, and reporting obscure the dynamics of transmission, necessitating methods to remove the effects of stochastic delays from observed data. Existing estimators can be sensitive to model misspecification and censored observations; many analysts have instead used methods that exhibit strong bias.

Vaccine-Induced Subacute Thyroiditis (De Quervain's) after mRNA Vaccine against SARS-CoV-2: A Case Report and Systematic Review.

De Quervain's thyroiditis, sometimes referred to as subacute thyroiditis (SAT), is the most common granulomatous disease of the thyroid, typically found after a viral infection in middle-aged women. The mRNA encoding for the angiotensin-converting enzyme-2 (ACE-2) receptor is expressed in follicular thyroid cells, making them a potential target for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Besides infection, SARS-CoV-2 vaccines have also been implicated in SAT pathogenesis.

Beyond inclusion: Enacting team equity in precision medicine research.

Purpose: To identify meanings of and challenges to enacting equitable diversification of genomics research, and specifically precision medicine research (PMR), teams.

Methods: We conducted in-depth interviews with 102 individuals involved in three U.S.

It's complicated: characterizing the time-varying relationship between cell phone mobility and COVID-19 spread in the US.

Restricting in-person interactions is an important technique for limiting the spread of severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2). Although early research found strong associations between cell phone mobility and infection spread during the initial outbreaks in the United States, it is unclear whether this relationship persists across locations and time. We propose an interpretable statistical model to identify spatiotemporal variation in the association between mobility and infection rates.

A minimally invasive approach to pilonidal disease with endoscopic pilonidal sinus treatment (EPSiT): a single-center case series with long-term results.

Background: Minimally invasive techniques for treating pilonidal disease are safe and effective alternatives to conventional surgery, with improved recovery time, cosmetic results, and pain control. The aim of this study was to evaluate the 5-year surgical outcomes of a single-center case series treated with endoscopic pilonidal sinus treatment (EPSiT).

Methods: We conducted a retrospective single-center analysis of all patients treated with EPSiT, by a single surgical team, from March 2015 to December 2019, for primary or recurrent pilonidal disease.

FISSIT (Fistula Surgery in Italy) study: A retrospective survey on the surgical management of anal fistulas in Italy over the last 15 years.

Background: Surgical treatment of anal fistulas is still a challenge. The aims of this study were to evaluate the adoption and healing rates for the different surgical techniques used in Italy over the past 15 years.

Methods: This was a multicenter retrospective observational study of patients affected by simple and complex anal fistulas of cryptoglandular origin who were surgically treated in the period 2003-2017.

Neural Granger Causality.

While most classical approaches to Granger causality detection assume linear dynamics, many interactions in real-world applications, like neuroscience and genomics, are inherently nonlinear. In these cases, using linear models may lead to inconsistent estimation of Granger causal interactions. We propose a class of nonlinear methods by applying structured multilayer perceptrons (MLPs) or recurrent neural networks (RNNs) combined with sparsity-inducing penalties on the weights.

Statistical model-based approaches for functional connectivity analysis of neuroimaging data.

We present recent literature on model-based approaches to estimating functional connectivity from neuroimaging data. In contrast to the typical focus on a particular scientific question, we reframe a wider literature in terms of the underlying statistical model used. We distinguish between directed versus undirected and static versus time-varying connectivity.

A Survey of Non-Exchangeable Priors for Bayesian Nonparametric Models.

Dependent nonparametric processes extend distributions over measures, such as the Dirichlet process and the beta process, to give distributions over collections of measures, typically indexed by values in some covariate space. Such models are appropriate priors when exchangeability assumptions do not hold, and instead we want our model to vary fluidly with some set of covariates. Since the concept of dependent nonparametric processes was formalized by MacEachern, there have been a number of models proposed and used in the statistics and machine learning literatures.

Quantitative patterns of stylistic influence in the evolution of literature.

Literature is a form of expression whose temporal structure, both in content and style, provides a historical record of the evolution of culture. In this work we take on a quantitative analysis of literary style and conduct the first large-scale temporal stylometric study of literature by using the vast holdings in the Project Gutenberg Digital Library corpus. We find temporal stylistic localization among authors through the analysis of the similarity structure in feature vectors derived from content-free word usage, nonhomogeneous decay rates of stylistic influence, and an accelerating rate of decay of influence among modern authors.

Nonparametric sparsification of complex multiscale networks.

Many real-world networks tend to be very dense. Particular examples of interest arise in the construction of networks that represent pairwise similarities between objects. In these cases, the networks under consideration are weighted, generally with positive weights between any two nodes.

Testing the interaction between analytical modules: an example with Roundup Ready soybean line GTS 40-3-2.

Background: The modular approach to analysis of genetically modified organisms (GMOs) relies on the independence of the modules combined (i.e. DNA extraction and GM quantification).

Synchronous bilateral renal tumour: a case report.

We report a case of synchronous bilateral renal carcinoma treated by partial nephrectomy on the right and total nephrectomy on the left. Follow-up at 42 months after surgery showed no recurrence of the disease. The increasing use of diagnostic imaging techniques such as ultrasound tomography, computerised tomography and nuclear magnetic resonance now allows even small-sized renal formations to be identified.

[Ontogenesis of congenital abnormalities of the left gonadal vein and their clinical relevance].

The anatomy of the gonadal vein has been the subject of several studies relating particularly to the aetiology and therapy of varicocele and left ovarian vein syndrome. Venography shows the presence of valves, the collateral branches, the anastomoses between the left gonadal vein and the retroperitoneal venous networks and the effective pathways of venous reflux. The authors observed a particular congenital anomaly of the left gonadal vein in the dissection of a female cadaver, and studied the venographic pattern of a male patient with left idiopathic varicocele.

Testicular fixation in adult retractile testis: technical notes.

A variety of techniques for scrotal orchiopexy have been described in the literature, including those without suture fixation, such as the scrotal pouch. We perform a simple modified technique for bilateral testicular fixation in patients with bilateral and/or unilateral adult retractile testis and with symptoms characterised by chronic orchialgia due to testicular hypermobility or repeated funicular subtorsion.

Transduodenal excision of giant tumour of the ampulla of Vater: a case report.

Carcinoma of the papilla is a rare cancer of the digestive tract; 5% of all gastrointestinal tract malignant neoplasms are periampullary. The authors report and discuss the case of one of their patients aged 79 years suffering from a tumour of the papilla. The case was characterized by the large size of the neoplasm (5.

Retroperitoneal lipoma. Unusual presentation with detrusor instability.

Retroperitoneal lipomas are a heterogeneous group of mesenchymal tumors. They are usually large and occur most frequently in the retroperitoneal, perineal and pelvic regions. Lipomas grow slowly surrounding the retroperitoneal and pelvic organs, with a displacement of bowel and vascular axis.