focalinterest.net

Author: editor@focalinterest.com

  • Religiosity norms linked to fewer child anxiety disorders across countries

    What the study found

    The study found that changes in socialization goals were not globally linked to child and adolescent anxiety disorders when the goal was independence. However, greater emphasis on religious faith, a socialization goal tied to interdependence, was associated with fewer anxiety disorders across time. The authors also reported that the association between independence orientation and more anxiety was stronger in WEIRD countries, meaning Western, Educated, Industrialized, Rich, and Democratic countries.

    Why the authors say this matters

    The authors conclude that cultural change may play a role in children's and adolescents' mental health. They also suggest that religiosity may be protective by fostering purpose and social connectedness, and they underscore the need for greater support for young people growing up in increasingly secular societies.

    What the researchers tested

    The researchers examined links between time-period changes from 1989 to 2022 in socialization goal norms and child and adolescent anxiety disorder incidence rates across 70 countries. They used data from the World Value Survey, the Global Burden of Disease study, the Human Development Report, and the Future of Families and Child Wellbeing Study. They also ran country-level cross-temporal regressions, moderation analyses, validation analyses with individual-level U.S. data, and a cross-lagged panel model.

    What worked and what didn't

    No global effect was found for independence-oriented socialization norms. Moderation analyses found no association among non-WEIRD countries, but a significantly stronger link between independence orientation and more anxiety disorders among WEIRD countries. Globally, stronger emphasis on the interdependence-related goal of religious faith was associated with fewer anxiety disorders over time, and U.S. validation analyses replicated this pattern; religiosity norms were also a stronger predictor than maternal religiosity, and the cross-lagged panel model supported a possible direction from religiosity to child and adolescent anxiety.

    What to keep in mind

    The abstract says the effect sizes were small. The available summary does not describe additional limitations beyond the country-group differences and the specific measures used.

    • Independence-oriented socialization norms were not linked to anxiety disorders across all countries.
    • The independence-anxiety link was stronger in WEIRD countries and not seen in non-WEIRD countries.
    • Greater emphasis on religious faith was associated with fewer child and adolescent anxiety disorders globally.
    • U.S. validation analyses replicated the religiosity finding and found religiosity norms were a stronger predictor than maternal religiosity.
    • A cross-lagged panel model suggested a possible direction from religiosity to child and adolescent anxiety.
    • The abstract reports that effect sizes were small.

  • Integrated refugee mental health depends on trust and coordination

    What the study found

    The study found that trust, connection, proactivity, and moral commitment were key mechanisms that supported better integrated mental health care for refugee clients, providers, and services. It also found that alienation, stagnation, burnout, and fragmentation hindered integration.

    Why the authors say this matters

    The authors suggest that, because refugees face complex mental health and social needs, integrating mental health services across settlement organizations and primary health care is important. They conclude that funding settlement programs can support cross-cultural brokers, community health workers, and navigators, which may help address social determinants of refugee mental health and support more equitable, just policy approaches.

    What the researchers tested

    The researchers used a participatory realist approach in a Canadian context. They held deliberative dialogues with multidisciplinary interest holders from settlement services, primary health care, mental health, a survivor advocacy group, and policy analysis, with 24 participants in total, to build an initial program theory about integration of refugee mental health across services.

    What worked and what didn't

    Trust, connection, proactivity, and moral commitment were identified as helping integration across services. In contrast, alienation, stagnation, burnout, and fragmentation were identified as getting in the way of integration.

    What to keep in mind

    The abstract describes a theory-building study in Canada, so the findings are based on that context and approach. It does not provide outcome measures, and it does not describe limitations beyond the scope of the available summary.

    • The study identified trust, connection, proactivity, and moral commitment as mechanisms supporting integrated refugee mental health care.
    • Alienation, stagnation, burnout, and fragmentation were reported as mechanisms that hindered integration.
    • The work used a participatory realist approach to build an initial program theory.
    • Twenty-four multidisciplinary interest holders took part in deliberative dialogues.
    • The authors say settlement funding can support brokers, community health workers, and navigators.

  • Grotto acoustics align with listeners’ auditory perception

    What the study found

    The study found that the grottoes' acoustic properties and people's auditory perceptions were structurally related. It also found that the main acoustic features of these grottoes fell within a moderate range of the wider distribution seen in religious architectural spaces.

    Why the authors say this matters

    The authors conclude that soundscape should be treated as an analytical dimension centered on auditory perception. They suggest this could extend typological research and help address the lack of an auditory perceptual dimension in traditional grotto classifications dominated by material form.

    What the researchers tested

    The researchers examined the acoustic and auditory perceptual characteristics of six representative grottoes in the Xiang Tang Shan Grottoes. They compared objective acoustic indicators with subjective auditory experience and considered changes in spatial scale and form.

    What worked and what didn't

    The results indicate that key acoustic parameters changed systematically with spatial scale and form. The abstract says objective acoustic indicators showed a stable structural correspondence with subjective auditory experience, but it does not report which specific measurements did or did not differ beyond that pattern.

    What to keep in mind

    The summary does not provide detailed limitations, so none can be stated beyond the available abstract. The findings are based on six representative grottoes in one site, the Xiang Tang Shan Grottoes, so the scope described in the abstract is limited to that setting.

    • Six representative grottoes in the Xiang Tang Shan Grottoes were analyzed.
    • Key acoustic parameters varied systematically with spatial scale and form.
    • Objective acoustic indicators corresponded stably with subjective auditory experience.
    • The main acoustic characteristics were within a moderate range of broader religious architectural sound spaces.
    • The authors propose soundscape as an analytical dimension centered on auditory perception.

  • Pump power changes the wavelength of a tunable Lyot filter

    What the study found

    The study found that a pump-induced tunable Lyot filter can shift its wavelength by adjusting the injected pump power in the polarization-maintaining ytterbium-doped fiber (PM-YDF). The authors attribute this tuning to birefringence changes in the PM-YDF, with thermal effects identified as the main cause.

    Why the authors say this matters

    The authors conclude that the filter is an effective choice for wavelength tuning in laser systems. They also show that it can support a single-frequency tunable laser with a narrow linewidth.

    What the researchers tested

    The researchers presented an optically controlled tunable Lyot filter built from spliced polarization-maintaining ytterbium-doped fiber and polarization-maintaining erbium-doped fiber (PM-EDF) with a 90-degree slow-axis offset. They examined how pump power affected wavelength tuning and analyzed the mechanism behind that tuning.

    What worked and what didn't

    The PM-EDF expanded the filter's free spectral range (FSR) and also acted as a saturable absorber (SA). Experimental results showed that thermal effects were the primary driver of birefringence variation, while the change from electronic transition was one order of magnitude smaller. When integrated into a laser ring cavity, the system produced a single-frequency tunable laser with a tuning range from 1554.7 nm to 1561 nm and a linewidth of 315 Hz.

    What to keep in mind

    The abstract does not describe detailed experimental conditions, sample sizes, or broader comparisons with other filter designs. It also does not report limitations beyond noting the relative size of the thermal and electronic-transition contributions.

    • Pump power in the PM-YDF was used to tune the filter wavelength.
    • The tuning mechanism was linked to birefringence changes in the PM-YDF.
    • Thermal effects were the main cause of the birefringence variation.
    • Electronic-transition effects were about one order of magnitude smaller than thermal effects.
    • The integrated laser produced single-frequency output from 1554.7 nm to 1561 nm with a 315 Hz linewidth.

  • Gut interaction balance distinguishes healthy and diseased microbiomes

    What the study found

    The study found that the balance between positive and negative microbial interactions in the gut can separate healthy microbiomes from dysbiotic ones, which are imbalanced communities linked to disease. The authors describe a metric called the ecological network balance index (ENBI) for capturing this balance.

    Why the authors say this matters

    The authors say existing biomarkers of dysbiosis do not capture the ecological mechanisms that distinguish healthy from diseased microbiomes. They conclude that ENBI could be a diagnostic tool because it appears to identify these states and correlates with disease progression in conditions such as colorectal cancer.

    What the researchers tested

    The researchers introduced a model for gut microbiome dynamics and used it to examine how microbial communities can form alternative stable states. They then developed ENBI and tested it in simulated and empirical datasets spanning multiple diseases.

    What worked and what didn't

    In the model, a healthy state was dominated by negative interactions, while a dysbiotic state was dominated by positive interactions. ENBI robustly differentiated these states in both simulated and empirical datasets and correlated with disease progression in conditions such as colorectal cancer.

    What to keep in mind

    The abstract does not provide detailed limitations, study sizes, or specific performance measures. It also does not explain how ENBI would be used in practice beyond its potential as a diagnostic tool.

    • The study introduces the ecological network balance index (ENBI) to measure balance between positive and negative gut microbial interactions.
    • A model of gut microbiome dynamics showed two alternative stable states: a healthy, negative-interaction state and a dysbiotic, positive-interaction state.
    • ENBI differentiated healthy and dysbiotic states in simulated and empirical datasets across multiple diseases.
    • ENBI correlated with disease progression in conditions such as colorectal cancer.
    • The abstract says existing dysbiosis biomarkers do not capture the ecological mechanisms separating healthy from diseased microbiomes.

  • Delayed tuberculosis visits increased in Shenyang from 2015 to 2024

    What the study found

    The study found that more than half of tuberculosis (TB) patients in Shenyang City experienced a delay in consultation, and the delay rate increased over time from 2015 to 2024. Women, adults aged 60 years or older, ethnic minority patients, and patients with positive pathology results had higher odds of delay.

    Why the authors say this matters

    The authors conclude that timely detection and diagnosis of TB are important for preventing disease spread and worsening illness. They suggest that intervention strategies should target risk factors and key populations to reduce patients' suffering and economic losses.

    What the researchers tested

    The researchers retrospectively analyzed consultation delay among TB patients in Shenyang City, Liaoning Province, using records from the China Tuberculosis Information Management System (TBIMS). They included patients from January 1, 2015, to December 31, 2024, and used descriptive statistics, chi-square tests, and binary logistic regression to examine factors linked to delay.

    What worked and what didn't

    A total of 38,928 TB patients were included. The median delay in consultation was 18 days, and 22,051 patients (56.65%) had delayed consultation, with an increasing trend across the study period. Female sex, age 60 years or older, ethnic minority status, and positive pathology were associated with greater delay, while intracity mobility and patient origin as a physical examination were associated with lower delay.

    What to keep in mind

    This was a retrospective analysis of surveillance data from one city, so the findings are specific to Shenyang City and the available records. The abstract does not describe additional limitations.

    • More than half of the 38,928 TB patients had delayed consultation.
    • The median consultation delay was 18 days.
    • The delay rate increased from 2015 to 2024.
    • Higher delay odds were seen in women, older adults, ethnic minority patients, and patients with positive pathology.
    • Intracity mobility and detection through physical examination were associated with lower delay.

  • Home-produced eggs in Croatia had higher PFAS levels

    What the study found

    Home-produced eggs had higher levels of per- and polyfluoroalkyl substances (PFAS, a group of persistent human-made chemicals) than commercial eggs in Croatia. Cage eggs showed the lowest levels among the egg types studied.

    Why the authors say this matters

    The authors conclude that the dietary contribution of the four main PFAS to the tolerable weekly intake limit suggests children up to nine years old are the most vulnerable to exposure, especially infants and toddlers consuming home-produced eggs. They also advise consumers to prefer cage eggs because the study found significantly lower exposure with them.

    What the researchers tested

    The researchers measured PFAS levels in eggs collected in Croatia. They analyzed 30 PFAS compounds using high-performance liquid chromatography coupled with high-resolution mass spectrometry and compared commercial eggs (cage, barn, and organic) with home-produced eggs.

    What worked and what didn't

    In home-produced eggs, the highest detection frequencies above the limit of quantification were seen for PFOS, PFNA, PFDA, and PFDoDA. PFOA was detected only in home-produced eggs, and these eggs also had significantly higher mean lower-bound and upper-bound levels for all measured compounds and for the sum of the four main PFAS. Cage eggs had the lowest lower-bound and upper-bound levels.

    What to keep in mind

    The summary provided does not describe limitations beyond the study being based on eggs collected in Croatia. The findings are limited to the compounds measured, the egg types compared, and the dietary exposure estimate reported in the abstract.

    • Home-produced eggs in Croatia had higher PFAS levels than commercial eggs.
    • Cage eggs showed the lowest PFAS levels among the egg types studied.
    • PFOS, PFNA, PFDA, and PFDoDA were the most frequently detected PFAS in home-produced eggs.
    • PFOA was detected only in home-produced eggs.
    • The authors say children up to nine years old are the most vulnerable to dietary exposure, especially infants and toddlers consuming home-produced eggs.

  • Yield curve slope and curvature predict growth in some countries

    What the study found

    The study found that yield curve slope and curvature can help predict future economic growth in Central and Eastern European countries and developed countries. It also found that these yield curve factors give only limited and unstable signals for forecasting inflation.

    Why the authors say this matters

    The authors suggest that the yield curve can contain useful information about future economic activity, especially where monetary policy credibility is lower. They also conclude that the predictive value depends on country conditions, while economic stability does not materially affect forecasting performance.

    What the researchers tested

    The researchers studied 40 countries from 2010 to 2021, including developed, Central and Eastern European, and emerging markets. They extracted unobservable yield curve factors from sovereign yield curves — the level, slope, and curvature — and used the slope and curvature in panel regressions to predict economic growth and inflation. They also tested out-of-sample forecasting accuracy with panel forecasting techniques and econometric tests.

    What worked and what didn't

    Slope and curvature showed predictive power for economic growth in Central and Eastern European countries and developed countries. In emerging markets, the yield curve factors were related to expectations about future growth and inflation, but their out-of-sample forecasting performance was limited. For inflation, the yield curve factors provided only limited and unstable forecasting signals.

    What to keep in mind

    The abstract does not provide detailed limitations beyond noting that forecasting performance was limited in emerging markets and unstable for inflation. The study’s findings are based on country groups over 2010–2021 and on sovereign yield curves.

    • Slope and curvature of the yield curve predicted future economic growth in developed and Central and Eastern European countries.
    • Emerging markets showed some relationship between yield curve factors and expectations, but weak out-of-sample forecasting performance.
    • Lower monetary policy credibility was associated with stronger predictive relationships for future growth.
    • Economic stability did not materially affect forecasting performance.
    • Inflation forecasting signals from yield curve factors were limited and unstable.

  • Flexible ureteroscopy matched stone clearance with fewer early complications

    What the study found

    In patients with a solitary kidney and 1.0–2.0 cm renal stones, flexible ureteroscopy (f-URS) and mini-percutaneous nephrolithotomy (mPCNL) had similar stone-free rates. The study reports that f-URS was associated with less bleeding, shorter hospital stays, and better short-term kidney function measures.

    Why the authors say this matters

    The authors conclude that f-URS may be a viable nephron-sparing option, meaning a treatment intended to preserve kidney tissue, for this high-risk population. They also state that the findings are preliminary and suggest the need for further prospective, long-term studies.

    What the researchers tested

    This was a retrospective study of 50 solitary-kidney patients treated between June 2018 and April 2024. The researchers compared mPCNL in 26 patients with f-URS in 24 patients, measuring 3-month stone-free rate, complications by Clavien–Dindo classification, and renal function using serum creatinine and estimated glomerular filtration rate (eGFR), a measure of how well the kidneys filter blood.

    What worked and what didn't

    Stone-free rates were comparable between the two procedures: 96.2% for mPCNL and 91.7% for f-URS, with no statistically significant difference reported. f-URS showed significantly smaller hemoglobin decline, shorter hospitalization, and all grade II complications, which required transfusion, occurred in the mPCNL group. At 1 month, f-URS was associated with greater improvement in serum creatinine and eGFR than mPCNL.

    What to keep in mind

    The study is retrospective and included only 50 patients, so the authors treat the results as hypothesis-generating. The abstract says longer-term durability of the kidney function differences has not been established, and the findings may not apply beyond solitary-kidney patients with 1.0–2.0 cm renal stones.

    • The study compared mini-percutaneous nephrolithotomy and flexible ureteroscopy in 50 solitary-kidney patients.
    • Stone-free rates were similar between the two treatments.
    • Flexible ureteroscopy had less hemoglobin decline and shorter hospital stays.
    • All grade II complications, which required transfusion, occurred in the mini-percutaneous nephrolithotomy group.
    • At 1 month, flexible ureteroscopy showed greater improvement in creatinine and eGFR.

  • iPSC neurons showed three distinct functional network patterns over time

    What the study found

    The study found that human induced pluripotent stem cell-derived neurons showed three distinct patterns of activity and network organization across a 55-day culture period. These patterns appeared to match different stages of neural maturation.

    Why the authors say this matters

    The authors conclude that these findings shed light on the microscale organisation of neural networks in vitro, meaning the small-scale organization of nerve-cell networks studied outside the body. They also say the work offers a foundational understanding of in-vitro neuronal network dynamics that may be valuable for future research on brain function and disorders.

    What the researchers tested

    The researchers recorded spontaneous neuronal activity from human induced pluripotent stem cell-derived neurons using a multi-electrode array, a device that measures electrical activity across many sites at once. They tracked spikes, bursts, and functional connectivity across 20 non-consecutive days over 55 days of culture.

    What worked and what didn't

    In the early period, the neurons showed a gradually increasing number of synchronous spikes, firing frequency, network bursts, and burst rate. In the mid period, the neurons showed a fully mature synchronisation pattern with stable spiking and bursting behaviours, while in the later period the firing rate, number of bursts, and network bursts decreased.

    What to keep in mind

    The abstract does not describe broader experimental limits beyond the culture-based setting and the specific days sampled. Staining was reported only for day 21 and day 28, so the summary does not provide details about longer-term synaptic changes beyond those time points.

    • The study identified three distinct activity patterns during 55 days of culture.
    • Early-stage neurons showed increasing synchronous spiking, bursting, and firing frequency.
    • Mid-stage neurons showed stable spiking and bursting with a mature synchronisation pattern.
    • Later-stage neurons showed decreases in firing rate, bursts, and network bursts.
    • Staining on days 21 and 28 showed significant changes in mean presynaptic and postsynaptic volumes.