Longitudinal study of changes in greenness exposure, physical activity and sedentary behavior in the ORISCAV-LUX cohort study.

BACKGROUND: Greenness exposure has been associated with many health benefits, for example through the pathway of providing opportunities for physical activity (PA). Beside the limited body of longitudinal research, most studies overlook to what extent different types of greenness exposures may be associated with varying levels of PA and sedentary behavior (SB). In this study, we investigated associations of greenness characterized by density, diversity and vegetation type with self-reported PA and SB over a 9-year period, using data from the ORISCAV-LUX study (2007-2017, n = 628). METHODS: The International Physical Activity Questionnaire (IPAQ) short form was used to collect PA and SB outcomes. PA was expressed as MET-minutes/week and log-transformed, and SB was expressed as sitting time in minutes/day. Geographic Information Systems (ArcGIS Pro, ArcMap) were used to collect the following exposure variables: Tree Cover Density (TCD), Soil-adjusted Vegetation Index (SAVI), and Green Land Use Mix (GLUM). The exposure variables were derived from publicly available sources using remote sensing and cartographic resources. Greenness exposure was calculated within 1000m street network buffers around participants' exact residential address. RESULTS: Using Random Effects Within-Between (REWB) models, we found evidence of negative within-individual associations of TCD with PA (ß = - 2.60, 95% CI - 4.75; - 0.44), and negative between-individual associations of GLUM and PA (ß = - 2.02, 95% CI - 3.73; - 0.32). There was no evidence for significant associations between greenness exposure and SB. Significant interaction effects by sex were present for the associations between TCD and both PA and SB. Neighborhood socioeconomic status (NSES) did not modify the effect of greenness exposure on PA and SB in the 1000 m buffer. DISCUSSION: Our results showed that the relationship between greenness exposure and PA depended on the type of greenness measure used, which stresses the need for the use of more diverse and complementary greenness measures in future research. Tree vegetation and greenness diversity, and changes therein, appeared to relate to PA, with distinct effects among men and women. Replication studies are needed to confirm the relevance of using different greenness measures to understand its' different associations with PA and SB.

Risk perception as a motivational resource during the COVID-19 pandemic: the role of vaccination status and emerging variants.

BACKGROUND: People's perceived risk of being infected and having severe illness was conceived as a motivational source of adherence to behavioral measures during the COVID-19 crisis. METHODS: We used online self-reported data, spanning 20 months of the COVID-19 crisis in Belgium (n = 221,791; 34.4% vaccinated; July 2020 - March 2022) to study the association between risk perception and motivation. RESULTS: Both perceived infection probability and severity fluctuated across time as a function of the characteristics of emerging variants, with unvaccinated persons perceiving decreasingly less risk compared to vaccinated ones. Perceived severity (and not perceived probability) was the most critical predictor of autonomous motivation for adherence to health-protective measures, a pattern observed at both the between-day and between-person level among both vaccinated and unvaccinated individuals. An integrated process model further indicated that on days with higher hospitalization load, participants reported being more adherent because risk severity and autonomous motivation for adherence were more elevated on these days. CONCLUSIONS: These findings suggest that risk severity served as a critical and dynamic resource for adherence to behavioral measures because it fostered greater autonomous regulation.

Spinal ganglioneuroma: a rare and challenging tumor in the pediatric population.

BACKGROUND: "Spinal ganglioneuroma" is a rare entity of neuroblastic tumors, frequent among children, that has been sparsely reported in articles involving both the pediatric and adult populations. These tumors mostly arise from the sympathetic ganglia located in the paravertebral region, near the intervertebral foramina of the spine. This makes their extension into the spinal canal possible but quite rare, in a dumbbell fashion, producing radicular or medullary symptoms. We provide an extensive review of the pediatric cases found in the literature; while reporting a challenging case we have recently got to treat at the CHRU de Brabois in Nancy, France. METHODS: We searched PubMed's database for articles and abstracts related to "spinal ganglioneuromas," from inception until June 1, 2024. We combined every case among patients under 18 years of age and divided them between the different spinal areas. We excluded those that originated from outside of the spine. We particularly focused our attention on the thoraco-lumbar region, which involved our case report, since the surgical management is completely different from other regions of the spine. RESULTS: As per June 1, 2024, 21 patients aged between 3 and 17 years were identified with "spinal ganglioneuromas," with a predominance of females (81%). The thoracic region of the spine seems to be the area of predilection for these tumors (42.85%), although some have been found in the cervical (9.5%), cervico-thoracic (4.76%), thoraco-lumbar (19.04%), lumbar (19.04%), and sacral (4.76%) regions. DISCUSSION: Our specific case included long-date abdominal pain and recent progressive paraparesis as the main symptoms, with radiological manifestations of renal atrophy and hydronephrosis, due to the compression and complete displacement of the kidney, as well as scoliosis. To our knowledge, this combination of symptoms has never been seen with spinal ganglioneuromas before in the pediatric population, given the gigantic size of the tumor, and its significant extension to both the spinal canal and the retroperitoneal space, which is quite uncommon. CONCLUSION: Spinal ganglioneuromas are very rare, benign lesions, that should be included in the differential diagnosis of dumbbell tumors that can cause in the pediatric population, alongside neurological symptoms in the limbs and back pain, thoracic, abdominal, and even urinary symptoms.

Spontaneous regression of white epidermoid cyst of the pre-bulbar cistern in a 3-year-old child: a case report and literature review.

We describe the first case of regression of a white epidermoid cyst in a child. White epidermoid cysts are rare benign lesions, particularly in pediatric cases. Typically, these cysts need surgical resection. However, we report the case of a 3-year-old child with recurrent aseptic meningitis, in whom CT scan and MRI revealed a white epidermoid cyst in the pre-bulbar cistern. Surprisingly, over a 5-year follow-up period, the cyst showed dramatic regression without any symptoms. This case sheds light on the potential for spontaneous regression of white epidermoid cysts in children, challenging the need for risky surgical interventions. This report opens up new perspectives on the pathophysiology and management options for this type of lesion in children.

The Role of Communication Style and External Motivators in Predicting Vaccination Experiences and Intentions: An Experimental Vignette Study.

This vignette-based study examined in a sample of unvaccinated Belgian citizens (N = 1918; Mage = 45.99) how health care workers could foster reflection about and intentions to get vaccinated against COVID-19 by experimentally varying their communication style (i.e., autonomy-supportive vs. controlling) and the reference to external motivators (i.e., use of a monetary voucher or corona pass vs. the lack thereof). Each participant was randomly assigned to one of six conditions and rated a vignette in terms of anticipated autonomy satisfaction, perceived effectiveness, reflection, and vaccination intention. An autonomy-supportive, relative to a controlling, communication style predicted greater autonomy need satisfaction, which in turn related positively to perceived effectiveness, reflection, and vaccination intention. External motivators failed to generate positive effects compared to the control condition. The findings highlight the critical role of autonomy support in promoting a self-endorsed decision to get vaccinated.

Promising effect of multi-family therapy on BMI, eating disorders and perceived family functioning in adolescent anorexia nervosa: an uncontrolled longitudinal study.

This contribution reports on the results of an uncontrolled longitudinal study investigating the effects of a Multi-Family Therapy (MFT) as treatment for adolescent Anorexia Nervosa (AN) and the role played by perceived family functioning in these effects. 150 patients (144 females) and their families took part in an MFT and were assessed at the beginning, middle, end of the therapy, as well as 6 and 12 months after the end of therapy. BMI, eating disorders symptomatology (EDI-II) and perceived family functioning (FAD) all improved over the time of MFT, and these benefits remained at both times of follow-up. Ultimately, we found that the improvement of some dimensions of family functioning (i.e., roles, communication, and general family functioning) mediated the improvement of several dimensions of symptomatology (i.e., ineffectiveness, impulsivity, social insecurity, interpersonal distrust). These observations provide further support for MFT as useful for improving mental health, weight restoration, and perceived family functioning of adolescents with AN.

External validity of social psychological experiments is a concern, but these models are useful.

We agree that external validity of social psychological experiments is a concern, we disagree these models are useless. Experiments, reconsidered from a situated cognition perspective and non-linearly combined with other methods (qualitative and simulations) allow grasping decision dynamics beyond bias outcomes. Dynamic (vs. discrete) insights regarding these processes are key to understand missing forces and bias in real-world social groups.

High prevalence of anterior pituitary deficiencies after cranial radiation therapy for skull base meningiomas.

BACKGROUND: Cranial irradiation represents one of the first line treatment proposed in skull base meningiomas. While cranial irradiation is associated with a high risk of secondary hypopituitarism, few studies focused on the specific location of skull base meningiomas. METHODS: Fifty-two adults receiving photon-beam therapy for skull base meningiomas between 2003 and 2014 in our Institution were included. Anterior pituitary (ACTH, FSH, GH, LH, TSH and prolactin) as well as corresponding peripheral hormones (8 am-Cortisol, IGF-1, fT3, fT4, 17ßestradiol or testosterone) were biologically screened before radiotherapy (baseline), then yearly until March 2019. The pituitary gland (PG) was delineated on CT and the mean dose delivered to it was calculated. RESULTS: Mean age at diagnosis was 56 +/- 14 years. Median follow-up was 7 years. Up to 60% of patients developed at least ≥2 pituitary deficiencies, 10 years after radiotherapy. Gonadotroph, thyrotroph, corticotroph and somatotroph deficiencies occurred in 37, 28, 18 and 15% of patients, respectively. Hyperprolactinemia was found in 13% of patients. None patient had only one pituitary deficiency. In the multivariate analysis, a delivered dose to the PG ≥ 50 Gy or a meningioma size ≥40 mm significantly increased the risk of developing hypopituitarism. CONCLUSIONS: Over a long-term follow-up, cranial radiation therapy used in skull base meningiomas led to a high prevalence of hypopituitarism, further pronounced in case of tumor ≥4 cm. These results advocate for an annual and prolonged follow-up of the pituitary functions in patients with irradiated skull base meningiomas.

Prebiotic effect on mood in obese patients is determined by the initial gut microbiota composition: A randomized, controlled trial.

BACKGROUND AND AIMS: Metabolic and behavioural diseases, which are often related to obesity, have been associated to alterations of the gut microbiota considered as an interesting therapeutic target. We have analyzed in a cohort of obese patients treated with prebiotic inulin versus placebo the potential link between gut microbiota changes occurring upon intervention and their effect on psychological parameters (mood and cognition). METHODS: A randomized, single-blinded, multicentric, placebo-controlled trial was conducted in 106 obese patients assigned to two groups: prebiotic versus placebo, who received respectively 16 g/d of native inulin or maltodextrin combined with dietary advice to consume inulin-rich or -poor vegetables for 3 months as well as to restrict caloric intake. Anthropometric measurements, food intake, psychological questionnaires, serum measures, and fecal microbiome sequencing were performed before and after the intervention. RESULTS: Inulin supplementation in obese subjects had moderate beneficial effect on emotional competence and cognitive flexibility. However, an exploratory analysis revealed that some patients exhibiting specific microbial signature -elevated Coprococcus levels at baseline- were more prone to benefit from prebiotic supplementation in terms of mood. Positive responders toward inulin intervention in term of mood also displayed worse metabolic and inflammatory profiles at baseline (increased levels of IL-8, insulin resistance and adiposity). CONCLUSION: This study shows that inulin intake can be helpful to improve mood in obese subjects exhibiting a specific microbial profile. The present work highlights some microbial, metabolic and inflammatory features (IL-8, insulin resistance) which can predict or mediate the beneficial effects of inulin on behaviour in obesity. Food4gut, clinicaltrial.gov: NCT03852069, https://clinicaltrials.gov/ct2/show/NCT03852069.

Two Preregistered Direct Replications of "Objects Don't Object: Evidence That Self-Objectification Disrupts Women's Social Activism".

Self-objectification has been claimed to induce numerous detrimental consequences for women at the individual level (e.g., sexual dysfunction, depression, eating disorders). Additionally, at the collective level, it has been proposed that self-objectified women might themselves contribute to the maintenance of the patriarchal status quo, for instance, by participating less in collective action. In 2013, Calogero found a negative link between self-objectification and collective action, which was mediated by the adoption of gender-specific system justification. Here, we report two preregistered direct replications (PDRs) of Calogero's original study. We conducted these PDRs after three failures to replicate the positive relation between self-objectification and gender-specific system-justification belief in correlational studies. Results of the two PDRs, in which we used a Bayesian approach, supported the null hypothesis. This work has important theoretical implications because it challenges the role attributed to self-objectified women in the maintenance of patriarchy.

Exome sequencing of cases with neural tube defects identifies candidate genes involved in one-carbon/vitamin B12 metabolisms and Sonic Hedgehog pathway.

Neural tube defects (NTD) result from complex mechanisms between genes, nutrition and environment. The identification of genetic predictors by genome exome sequencing and their influence on genome methylation need further consideration. Gene variants related to 1-CM metabolism (1-CM) could influence the methylation of genes involved in neural tube embryogenesis through impaired synthesis of S-adenosyl methionine. We performed exome sequencing of 6116 genes referenced in OMIM and NTD risk and genome-wide methylation in 23 NTD cases. We replicated the most significant associations in 81 other cases. The analysis of exome sequencing identified one gene of 1-CM, LRP2, and one gene of Sonic Hedgehog (SHH), GLI3, in the 23 NTD cases. The analysis restricted to genes of 1-CM and neural tube embryogenesis identified five gene predictors of 1-CM (LRP2, rs137983840; MMAA, rs148142853; TCN2, rs35838082; FPGS, rs41306702; BHMT, rs763726268) and two of SHH (GLI3, rs35364414; MKS1, rs151023718). We replicated the association of TCN2, BHMT and GLI3 with NTD risk in the 81 cases. We found a significant hemimethylation of CFAP46 that may influence SHH activation in one case, who carried risk alleles in BHMT, LRP2, MMAA and GLI3. In conclusion, we identified new candidate genes and rare variants that highlight an interacting influence of genes involved in SHH and 1-CM in the puzzle of genetic components of NTD risk.

"Our Country Needs a Strong Leader Right Now": Economic Inequality Enhances the Wish for a Strong Leader.

Societal inequality has been found to harm the mental and physical health of its members and undermine overall social cohesion. Here, we tested the hypothesis that economic inequality is associated with a wish for a strong leader in a study involving 28 countries from five continents (Study 1, N = 6,112), a study involving an Australian community sample (Study 2, N = 515), and two experiments (Study 3a, N = 96; Study 3b, N = 296). We found correlational (Studies 1 and 2) and experimental (Studies 3a and 3b) evidence for our prediction that higher inequality enhances the wish for a strong leader. We also found that this relationship is mediated by perceptions of anomie, except in the case of objective inequality in Study 1. This suggests that societal inequality enhances the perception that society is breaking down (anomie) and that a strong leader is needed to restore order (even when that leader is willing to challenge democratic values).

A systematic review of psychosocial explanations for the relationship between socioeconomic status and body mass index.

A negative association between socioeconomic status (SES) and levels of overweight/obesity is consistently found in high- and middle-income countries. Yet, there is little conclusive evidence about the mechanisms driving this association. In this systematic review, we discuss and compare the results of 22 studies that examine the role of psychosocial mediators in the association between SES and BMI in diverse population samples. These include factors related to resources and constraints in one's external neighborhood, social resources, and psychological factors such as stress. The findings support theoretical models indicating that SES is related to BMI partially through environmental and psychological factors. Importantly, SES often remains a significant predictor of weight status, indicating the importance of also addressing structural antecedents in order to improve health among lower SES populations. We thoroughly discuss the quality and limitations of current study designs and mediation testing and provide recommendations for future research.

How self-compassion moderates the effect of body surveillance on subjective happiness and depression among women.

According to objectification theory (Fredrickson & Roberts, 1997), being treated as an object leads women to engage in self-objectification, which in turn increases body surveillance and body shame as well as impairs mental health. However, very little is known about what factors could act as buffers against the detrimental consequences of self-objectification. This paper seeks to understand the role of self-compassion (the ability to kindly accept oneself or show self-directed kindness while suffering) in the perception that women have of their own bodies. Results indicate that self-compassion moderated the effect of body surveillance on depression and happiness separately among women. More specifically, for women low in self-compassion, body surveillance was negatively associated with happiness, which was explained by increased depression. In sum, our results indicate that self-compassion protects against the detrimental consequences of body surveillance.

Does immersion or detachment facilitate healthy eating? Comparing the effects of sensory imagery and mindful decentering on attitudes and behavior towards healthy and unhealthy food.

Many people would like to reduce indulging in unhealthy foods, but find it difficult to do so. Previous research shows that individuals eat smaller portions of unhealthy hedonic food if they first imagine the sensory properties of tempting food (sensory imagery; Cornil & Chandon, 2016). Similarly, they show less preference for such food if they think about food in a detached way (decentering; Papies, Barsalou, & Custers, 2012; Papies, Pronk, Keesman, & Barsalou, 2015). Given that these two mindsets are seemingly at odds with each other, we compared them across two studies to examine their effects on the preference for (Experiment 1) and consumption of (Experiment 2) hedonic healthy and unhealthy food. Although sensory imagery and decentering had largely different effects for preferences towards healthy and unhealthy foods, they had comparable effects on the consumption of both types of foods, serving to reduce the effects of consumption in participants affected by hunger and emotional eating. These results suggest that while sensory imagery and decentering are based on different mechanisms, they produce similar results when it comes to the consumption of hedonic food, regardless of how healthy the food is.

Modern robot-assisted radiosurgery of cerebral angiomas-own experiences, system comparisons, and comprehensive literature overview.

Cerebral arteriovenous malformations (AVMs) are rare vascular lesions potentially responsible for substantial neurological morbidity and mortality. Over the past four decades, radiosurgery has become a valid therapeutic option for many patients with small intracranial AVMs, but reports describing the use of robotic stereotactic radiosurgery (SRS) are rare. The purposes of this study are to describe the efficacy and toxicity of robotic SRS for AVMs and to review the literature. The reports of 48 consecutive patients treated with SRS were reviewed. A total dose of 18 Gy in a single fraction was prescribed to the 70% isodose line. Efficacy (i.e., total obliteration of the AVM) and toxicity were analyzed. Literature search was performed on Embase and PubMed for the terms "Radiosurgery and AVMs", "Cyberknife and AVMs" and "Radiation therapy and AVMs." The median follow-up was 41 months. The median AVM volume was 2.62 cm3. The incidence of obliteration was 59% at 3 years. Regarding toxicity, 92% of patients remained symptom-free, 66% developed radiogenic edema on MRI, and none developed radionecrosis. Forty-one patients (85%) had embolization prior to SRS. Our study was incorporated in an exhaustive review of 25 trials categorized by SRS technique. In this review, the median follow-up was 60 months. The median nidus volume was 2 cm3. The median overall obliteration rate for SRS was 68% (range 36 to 92). The median embolization rate prior to SRS was 31% (range 8.23 to 90). Compared to other studies, tolerability was excellent and the obliteration rate was acceptable but probably affected by the high embolization rate prior to radiosurgery. Our study suggests that a higher dose is feasible. A larger cohort with a longer follow-up period will be needed to confirm the safety and effectiveness, and subsequently validate different prognosis and predictive scores with this treatment modality to maximize the benefits of this technology for selected patients in the long term.

Probing Phase Coupling Between Two Spin-Torque Nano-Oscillators with an External Source.

Phase coupling between auto-oscillators is central for achieving coherent responses such as synchronization. Here we present an experimental approach to probe it in the case of two dipolarly coupled spin-torque vortex nano-oscillators using an external microwave field. By phase locking one oscillator to the external source, we observe frequency pulling on the second oscillator. From coupled phase equations we show analytically that this frequency pulling results from concerted actions of oscillator-oscillator and source-oscillator couplings. The analysis allows us to determine the strength and phase shift of coupling between two oscillators, yielding important information for the implementation of large interacting oscillator networks.

Decompressive craniectomy and CSF disorders in children.

INTRODUCTION: Decompressive craniectomy (DC) is a lifesaving procedure but is associated to several post-operative complications, namely cerebrospinal fluid (CSF) dynamics impairment. The aim of this multicentric study was to evaluate the incidence of such CSF alterations after DC and review their impact on the overall outcome. MATERIAL AND METHODS: We performed a retrospective multicentric study to analyze the CSF disorders occurring in children aged from 0 to 17 years who had undergone a DC for traumatic brain injury (TBI) in the major Departments of Pediatric Neurosurgery of France between January 2006 and August 2016. RESULTS: Out of 150 children, ranging in age between 7 months and 17 years, mean 10.75 years, who underwent a DC for TBI in 10 French pediatric neurosurgical centers. Sixteen (6 males, 10 females) (10.67%) developed CSF disorders following the surgical procedure and required an extrathecal CSF shunting. External ventricular drainage increased the risk of further complications, especially cranioplasty infection (p = 0.008). CONCLUSION: CSF disorders affect a minority of children after DC for TBI. They may develop early after the DC but they may develop several months after the cranioplasty (8 months), consequently indicating the necessity of clinical and radiological close follow-up after discharge from the neurosurgical unit. External ventricular drainage and permanent CSF shunt placement increase significantly the risk of cranioplasty infection.

Principled Disagreements: Adhesion to Intergroup Justice Standards in the Context of the Belgian Linguistic Conflict.

According to the "Waffle" model of the Belgian Linguistic Conflict (Klein et al., 2012), this conflict centres around two main dimensions: One concerns the use of language across the territory and the second concerns the distribution of resources between the two main linguistic communities, Dutch-speakers and French-speakers. The model suggests that the two groups adhere to different justice principles regarding these issues and that these disagreements are a function of the intensity of the conflict. With respect to the first dimension, Dutch-speakers are expected to adhere more to a principle of linguistic territoriality than French-speakers who should be more in favor of a free choice of one's idiom across the territory. With respect to the second dimension, the model posits that Dutch-speakers will adhere more to an equity principle whereas French-speakers should adhere more to a need principle. We tested these hypotheses in the context of a large-scale survey involving two waves: in May 2011 in the middle of a political crisis, and in June 2014, when the conflict was appeased. The pattern of "disagreements" in a subsample that participated in both waves of the survey (N = 378) is consistent with the Waffle model and, as expected, more severe at the heart of the conflict (in 2011) than after pacification (in 2014). However, differences were driven mostly by supporters of the Flemish nationalist party N-VA. Moreover, endorsement of principles on both dimensions are predictive of separatist attitudes in the Dutch-speaking sample whereas only the first dimension plays a role for the French speaking sample.