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Background/Objectives: The aim of this study was to examine the reliability and validity of the Spanish Perceived Physical Literacy Instrument (S-PPLI) questionnaire in Spanish adolescents. Method: The participants of this study were 360 Spanish adolescents (aged 12–17 years) from three secondary schools in the Region of Murcia (Spain). A cultural adaptation process of the original version of the PPLI questionnaire was developed. Confirmatory factor analysis was applied to test the three-factor structure of physical literacy. Intraclass correlation coefficients were computed to estimate the test-retest concordance. Results: Using a confirmatory factor analysis, the factor loading of all items above the standard of 0.40 ranged from 0.53 to 0.77, suggesting that the observed variables sufficiently represented the latent variables. Analyses for convergent validity showed average variance extracted values that ranged from 0.40 to 0.52 and composite reliability values higher than 0.60. All the correlations were below the recommended cutoff point of 0.85, which indicated that the three physical literacy factors achieved adequate discriminant validity. Intraclass correlation coefficients ranged from 0.62 to 0.79 (p

ObjectiveThe aim of this study was to verify the relationship between perceived physical literacy (PPL) and academic performance outcomes among Spanish adolescents aged 12–17 years.MethodsThis cross-sectional study is a secondary examination utilizing data derived from the Eating Healthy and Daily Life Activities (EHDLA) project. The Spanish Perceived Physical Literacy Instrument for Adolescents (S-PPLI) was used to evaluate the PPL of the participants. To determine academic performance, the numerical grades for each subject were added together and then divided by the total number of subjects.ResultsOverall, a positive trend in the association between S-PPLI scores and academic performance was observed. We identified two significant ranges within the S-PPLI scores. First, there was a significant range between 9 and 33 points on the S-PPLI, indicating an inverse association with academic performance. Second, another significant range was observed at scores of 34 points or higher on the S-PPLI, suggesting a positive association with academic performance. Participants with low PPL had the lowest academic performance (mean = 6.4; bias-corrected and accelerated (BCa) bootstrapped 95% confidence interval (CI): 6.2–6.6). Conversely, those adolescents with high PPL had the highest academic performance (mean = 6.9; BCa bootstrapped 95% CI: 6.6–7.1). Significant differences were found between low PPL and medium PPL (p-adjusted = 0.031) and between low PPL and high PPL (p-adjusted = 0.031).ConclusionsIncreased physical literacy could be a relevant factor for achieving greater academic performance in adolescents. This study has potential implications for physical education instructors, school leaders, and healthcare practitioners.

INTRODUCCIÓN. Debido a la ausencia de regulación específica, las Escuelas de Segunda Oportunidad (E2O) pueden organizarse con mayor flexibilidad que los centros escolares ordinarios. Nuestro objetivo es identificar las dimensiones organizativas de las E2O acreditadas en España y en qué medida se orientan a promover la inclusión social de su alumnado. MÉTODO. Utilizamos técnicas cualitativas y cuantitativas, triangulando informantes e instrumentos de recogida y análisis. Realizamos 24 entrevistas semiestructuradas con directores/as o jefes/as de estudios de E2O, así como cuestionarios con 351 jóvenes egresados de E2O el curso 2019-2020, tras finalizar su itinerario formativo. RESULTADOS. La misión de estas instituciones se define por la vinculación de la acción educativa con jóvenes vulnerables a la transformación social. Complementariamente, la fórmula jurídica de la mayoría de las escuelas es la fundación, una estructura amplia, que incorpora entre sus servicios a las E2O. La mayoría se beneficia de un entramado de recursos de gestión y del establecimiento de redes complejas y diversas. Las instituciones valoran su acreditación como E2O como oportunidad para consolidar redes, sistematizar procesos organizativos y reconocer el trabajo realizado. Se evidencian como instituciones innovadoras, abiertas al aprendizaje y capaces de generar conocimiento, respaldadas por el amplio reconocimiento de su labor por parte de su alumnado egresado. DISCUSIÓN. Destaca la flexibilidad en las intervenciones personalizadas e inclusivas que proponen estas instituciones, así como un reconocimiento creciente, especialmente desde las administraciones públicas, clave para la gestión de proyectos y el diseño de políticas sociales, laborales y educativas.

Purpose. To analyze prosthetic complications of single screw-retained implant-supported metal–ceramic fixed prostheses (SSIMCFPs). Materials and Methods. A total of 457 medical records of patients treated with implants at the University Dental Clinic of the European University of Valencia from 2016 to 2022 were reviewed. Of the 335 SSIMCFPs evaluated, 222 were included. The following data were collected from medical records: age, sex, prosthesis location, implant diameter, type of antagonist, date of prosthesis placement, type of prosthetic complications, and the date of the occurrence of complications. Statistical analysis was estimated at the patient level with a simple binary logistic regression and at the prosthesis level, a simple logistic regression with generalized estimating equation models (p

RESUMEN En este trabajo se presenta el diseño, la implementación y la evaluación de un programa de intervención educativa para un estudiante con diagnóstico de hipoacusia severa, ceguera congénita, discapacidad intelectual y motriz. La finalidad de la intervención es mejorar la conexión del niño con el entorno y trabajar la anticipación de acontecimientos en su vida diaria. Para ello se trabajan principalmente tres áreas de desarrollo: adaptativa, motora y cognitiva. Los resultados obtenidos en las evaluaciones pretest y postest reflejan ligeras mejoras en los tres ámbitos tras la intervención, y por tanto, una evolución en la edad de desarrollo del estudiante. Algunas de las conclusiones más relevantes son que el trabajo individualizado con personas con discapacidad múltiple influye positivamente en su desarrollo, y que existe una falta de instrumentos de evaluación estandarizados que se adapten a las características de las personas con discapacidades múltiples y severas.

The IPDGC (The International Parkinson Disease Genomics Consortium) and EADB (Alzheimer Disease European DNA biobank) are listed correctly as an author to the article, however, they were incorrectly listed more than once.

Autism spectrum disorder (ASD) is a neurodevelopmental condition characterized by difficulties in socialization. The amount of scientific research results on motherhood related to ASD has grown exponentially; however, there are no bibliometric studies in this field. Objective: This article aimed to analyze scientific research on motherhood related to the autism spectrum published in WoS. Articles on motherhood related to ASD were retrieved from the Web of Science (WoS). The advanced search interface used was “Title of the article, Abstract, Keywords”. The analysis and visualization of the selected documents and their data were performed using a wide range of tools and software such as MS Excel (v16.0), VOS viewer (version 1.6.15), and R packages (Biblioshiny, version 2.0). A total of 1660 articles were included in this study. Most of the publications were original articles. The United States published the most significant number of articles among the countries identified. P.R. Hastings, M.M. Seltzer, and J. Van de Water were the main authors. The Journal of Autism and Developmental Disorders was the most productive and impactful journal. The main research topics were related to mental health and social support in the role of motherhood. This desk study provides researchers with a comprehensive understanding of ASD-related maternity research trends by evaluating relevant publications in recent decades. The results of this bibliometric analysis can serve as a basis and orientation for new studies.

Alzheimer's disease (AD) is a neurodegenerative condition characterized by a gradual decline in cognitive functions. Currently, there are no effective treatments for AD, underscoring the importance of identifying individuals in the preclinical stages of mild cognitive impairment (MCI) to enable early interventions. Among the neuropathological events associated with the onset of the disease is the accumulation of amyloid protein in the brain, which correlates with decreased levels of Aβ42 peptide in the cerebrospinal fluid (CSF). Consequently, the development of non-invasive, low-cost, and easy-to-administer proxies for detecting Aβ42 positivity in CSF becomes particularly valuable. A promising approach to achieve this is spontaneous speech analysis, which combined with machine learning (ML) techniques, has proven highly useful in AD. In this study, we examined the relationship between amyloid status in CSF and acoustic features derived from the description of the Cookie Theft picture in MCI patients from a memory clinic. The cohort consisted of fifty-two patients with MCI (mean age 73 years, 65% female, and 57% positive amyloid status). Eighty-eight acoustic parameters were extracted from voice recordings using the extended Geneva Minimalistic Acoustic Parameter Set (eGeMAPS), and several ML models were used to classify the amyloid status. Furthermore, interpretability techniques were employed to examine the influence of input variables on the determination of amyloid-positive status. The best model, based on acoustic variables, achieved an accuracy of 75% with an area under the curve (AUC) of 0.79 in the prediction of amyloid status evaluated by bootstrapping and Leave-One-Out Cross Validation (LOOCV), outperforming conventional neuropsychological tests (AUC = 0.66). Our results showed that the automated analysis of voice recordings derived from spontaneous speech tests offers valuable insights into AD biomarkers during the preclinical stages. These findings introduce novel possibilities for the use of digital biomarkers to identify subjects at high risk of developing AD.

The genetic variant rs72824905-G (minor allele) in the PLCG2 gene was previously associated with a reduced Alzheimer's disease risk (AD). The role of PLCG2 in immune system signaling suggests it may also protect against other neurodegenerative diseases and possibly associates with longevity. We studied the effect of the rs72824905-G on seven neurodegenerative diseases and longevity, using 53,627 patients, 3,516 long-lived individuals and 149,290 study-matched controls. We replicated the association of rs72824905-G with reduced AD risk and we found an association with reduced risk of dementia with Lewy bodies (DLB) and frontotemporal dementia (FTD). We did not find evidence for an effect on Parkinson's disease (PD), amyotrophic lateral sclerosis (ALS) and multiple sclerosis (MS) risks, despite adequate sample sizes. Conversely, the rs72824905-G allele was associated with increased likelihood of longevity. By-proxy analyses in the UK Biobank supported the associations with both dementia and longevity. Concluding, rs72824905-G has a protective effect against multiple neurodegenerative diseases indicating shared aspects of disease etiology. Our findings merit studying the PLCγ2 pathway as drug-target.

Abstract Optical coherence tomography angiography (OCT-A) allows the detection of retinal vessel density (VD) loss, which is a reflection of brain vascular pathology. We aimed to investigate differences in macular VD in the superficial plexus in a large cohort of individuals cognitively unimpaired (CU), with mild cognitive impairment due to Alzheimer´s disease (MCI-AD), MCI due to cerebrovascular pathology (MCI-Va), probable Alzheimer´s disease dementia (ADD) and Vascular Dementia (VaD). Clinical, demographical, ophthalmological and OCT-A data from the Neuro-ophthalmology Research at Fundació ACE (NORFACE) project were analyzed. Differences of macular VD in four quadrants (superior, nasal, inferior and temporal) among the five diagnostic groups were assessed in a multivariate regression model, adjusted by age, sex, education, hypertension, diabetes mellitus, heart disease and stroke. The study cohort comprised 672 participants: 128 CU, 120 MCI-AD, 111 MCI-Va, 257 ADD and 56 VaD. Regression analysis showed a significantly higher VD in the temporal quadrant in MCI-AD compared to CU participants (49.05 ± 4.91 vs 47.27 ± 4.17, p = 0.02, d = 0.40), and a significantly lower VD in the inferior quadrant in MCI-Va compared to CU participants (48.70 ± 6.57 vs 51.27 ± 6.39, p = 0.02, d = 0.40). Individuals with heart disease presented significantly lower VD in the inferior quadrant than those without (p = 0.01). The interaction of sex and diagnosis had no effect in differentiating VD. Mini-Mental State Examination (MMSE) scores were not correlated to VD (all r 0.07). In conclusion, our study showed that the MCI-AD and MCI-Va groups had significant differences in macular VD in opposite directions in the temporal and inferior quadrants, respectively, compared to CU participants, suggesting that macular VD might be able to differentiate two pathogenic pathways (AD- and cerebrovascular-related) in early stages of cognitive decline.

Abstract Body size is a key organismal trait. However, the environmental and evolutionary factors that drive body size patterns at the interspecific level remain unclear. Here, we explored these relationships between phenotype-environment using neotropical frogs of Pristimantis, the world’s most diverse vertebrate genus. We analyzed: (a) whether this group follows the Rensch’s rule, a trend of sexual size dimorphism (SSD) to increase with size when males are the larger sex; (b) whether environmental constraints have influenced body size variation; and (c) how the rates of body size evolution have varied over time. Analyses were based on two information sources, the first one including body sizes of ~ 85% (495 species) of known species in the genus, and a second one incorporating molecular phylogenetic information for 257 species. Our results showed that all Pristimantis species exhibited marked SSD but did not follow Rensch’s rule. We found that the models that best explained body size in males, females, and SSD contained environmental variations in temperature, precipitation, and elevation as predictors. In turn, body size has evolved toward an optimum, with a decelerating rate of evolution differentiated between the large Pristimantis clades.

In this work it is demonstrated the capacity of the sol–gel process to obtain materials with different phases, using the same chemical composition, and modifying only the conditions of hydrolysis and condensation. This method combined with the polymer sponge replica technique allowed to obtain a porous and three-dimensional scaffold, called core, consisting mainly of calcium phosphates. Additionally, due to the versatility of the sol–gel process, this core was coated with additional phases, constituted by silicon and magnesium, obtaining multilayer scaffolds. The scaffolds were physically and chemically characterized and the in vitro bioactivity was evaluated by immersion in simulated body fluid. The results of in vitro bioactivity showed that the core revealed a lamellar microstructure with some apatite precipitates after 14 days, while the multilayer scaffolds presented precipitates over the whole surface in only 3 days. The accelerated bioactivity and the general properties of the multiphase and multilayer scaffolds show the potential of this material in the area of tissue engineering. Resumen: En este trabajo se demuestra la capacidad del proceso sol-gel en la obtención de materiales con diferentes fases, usando la misma composición química, y modificando únicamente las condiciones de hidrólisis y condensación. Este método combinado con la técnica de réplica de esponja polimérica permitió obtener un andamio poroso y tridimensional, llamado núcleo, constituido principalmente por fases de fosfatos de calcio. Adicionalmente, debido a la versatilidad del proceso sol-gel, este núcleo fue recubierto con fases adicionales, constituidas por silicio y magnesio, obteniendo andamios multicapa. Los andamios fueron caracterizados física y químicamente y la bioactividad in vitro evaluada mediante inmersión en suero fisiológico artificial. Los resultados de bioactividad in vitro mostraron que el núcleo reveló una microestructura lamelar con algunos precipitados de apatito después de 14 días, mientras que los andamios multicapa presentaron precipitados sobre la superficie en solo 3 días. La bioactividad acelerada y las propiedades generales del andamio multifásico y multicapa, demuestran el potencial de este material en el área de ingeniería de tejido.

En los últimos años ha aumentado el número de productos culturales que incluyen personajes protagonistas con trastorno del espectro autista (TEA). Este hecho permite visibilizar este trastorno entre la sociedad. Sin embargo, los productos culturales no siempre proyectan una imagen ajustada del TEA, lo que puede desencadenar en la generación o perpetuación de estereotipos que dificulten la inclusión de las personas con TEA. El presente estudio persigue identificar y analizar los productos culturales relacionados con dicho diagnóstico que consumen estudiantes universitarios del ámbito de educación. En total, 452 futuros docentes españoles y andorranos respondieron el cuestionario Fuentes de Información sobre el TEA (FITEA). Los resultados muestran que las principales fuentes de conocimiento sobre este trastorno son las series de televisión y ciertas asignaturas de la formación universitaria inicial. Los participantes afirman que el tipo de información sobre el que reciben mayor contenido está relacionado con la intervención social y las vivencias diarias de personas con TEA. Estos resultados son positivos, ya que evidencian un interés de los futuros docentes por este diagnóstico. Dado el espacio reducido que se reserva a la educación inclusiva en los actuales planes de estudio del profesorado, este tipo de productos culturales puede utilizarse como punto de partida en la formación sobre TEA, de manera que en el aula universitaria se analice la imagen social que se proyecta sobre las personas con autismo, confirmando las ideas acertadas y desmintiendo los mitos y estereotipos que estigmatizan la condición autista.

Abstract Background Glioblastoma (GBM) is the most aggressive and common type of primary brain tumor in adults. Tumor location plays a role in patient prognosis, with tumors proximal to the lateral ventricles (LVs) presenting with worse overall survival, increased expression of stem cell genes, and increased incidence of distal tumor recurrence. This may be due in part to interaction of GBM with factors of the subventricular zone (SVZ), including those contained within the cerebrospinal fluid (CSF). However, direct interaction of GBM tumors with CSF has not been proved and would be hindered in the presence of an intact ependymal cell layer. Methods Here, we investigate the ependymal cell barrier and its derived extracellular matrix (ECM) fractones in the vicinity of a GBM tumor. Patient-derived GBM cells were orthotopically implanted into immunosuppressed athymic mice in locations distal and proximal to the LV. A PBS vehicle injection in the proximal location was included as a control. At four weeks post-xenograft, brain tissue was examined for alterations in ependymal cell health via immunohistochemistry, scanning electron microscopy, and transmission electron microscopy. Results We identified local invading GBM cells within the LV wall and increased influx of CSF into the LV-proximal GBM tumor bulk compared to controls. In addition to the physical disruption of the ependymal cell barrier, we also identified increased signs of compromised ependymal cell health in LV-proximal tumor-bearing mice. These signs include increased accumulation of lipid droplets, decreased cilia length and number, and decreased expression of cell channel proteins. We additionally identified elevated numbers of small fractones in the SVZ within this group, suggesting increased indirect CSF-contained molecule signaling to tumor cells. Conclusions Our data is the first to show that LV-proximal GBMs physically disrupt the ependymal cell barrier in animal models, resulting in disruptions in ependymal cell biology and increased CSF interaction with the tumor bulk. These findings point to ependymal cell health and CSF-contained molecules as potential axes for therapeutic targeting in the treatment of GBM.

To make possible the inclusion of children with autism spectrum disorder (ASD) in mainstream settings, parental knowledge and attitudes towards the disorder play a key role between the home and the school setting. However, prior literature has not carried out an in-depth analysis of parents’ knowledge about ASD and their attitudes toward the inclusion of children with this diagnosis. This study examined the parental attitudes towards inclusion and knowledge about ASD. Participants were parents of children with ASD (n = 75), parents of children without ASD whose children had prior or current contact with peers with ASD (n = 44), and parents of children with no previous interactions with a peer with ASD (n = 51). The Attitudes of Regular Educators Towards Inclusion for Students with Autism Survey and the Autism Knowledge Questionnaire were filled out. Nonparametric statistical tests were used. Results showed that parents of children with ASD have better knowledge about this disorder and hold more favorable attitudes towards the inclusion of children with ASD than the other parents. These findings suggest that the benefits of inclusive schooling are limited to the school setting and do not appear to affect families of children without ASD.

Background: Alzheimer's disease (AD) stands as the leading cause of dementia worldwide, and projections estimate over 150 million patients by 2050. AD prevalence is notably higher in women, nearly twice that of men, with discernible sex differences in certain risk factors. To enhance our understanding of how sex influences the characteristics of AD patients and its potential impact on the disease trajectory, we conducted a comprehensive analysis of demographic, clinical, cognitive, and genetic data from a sizable and well-characterized cohort of AD dementia patients at a memory clinic in Barcelona, Spain. Methods: The study cohort comprised individuals with probable and possible AD dementia with a Clinical Dementia Rating (CDR) score between 1 and 3 diagnosed at the Memory Unit from Ace Alzheimer Center Barcelona, Spain, between 2008 and 2018. We obtained cognitive baseline data and follow up scores for the Mini-Mental State Examination (MMSE), the CDR scale, and the neuropsychological battery used in our center (NBACE). We employed various statistical techniques to assess the impact of sex on cognitive evolution in these dementia patients, accounting for other sex-related risk factors identified through Machine Learning methods. Results: The study cohort comprised a total of 6108 individuals diagnosed with AD dementia during the study period (28.4% males and 71.6% females). MMSE scores exhibited an average decline of approximately two units per year, unaffected by sex. Similarly, the decline in most neuropsychological functions assessed by NBACE did not exhibit significant differences between males and females. However, we observed that women diagnosed with mild AD dementia progressed more rapidly based on their CDR score (HR = 2.57, 95%CI:2.33–2.84) than men (HR = 2.03, 95%CI: 1.71–2.41) (p-interaction = 0.01). Conclusions: Our findings do not strongly support the notion that sex significantly modifies the clinical progression of AD dementia based on cognitive data. Further research is essential to validate whether women with mild AD dementia indeed progress more rapidly than men at a similar stage and to delve into the potential underlying reasons for this finding. [ABSTRACT FROM AUTHOR]

The competitiveness of tourism destinations depends on their degree of development or maturity. This article uses cluster analysis methods to establish the position in the life cycle of destinations in a pool of 154 countries. The article also explores their evolution between 2007 and 2017 doing a static comparative exercise. The position in the life cycle is determined by using confidence intervals for the means of the main variables. Following a recent and innovative methodology, thresholds are proposed that could potentially allow for a change of phase in the life cycle. Moreover, the article examines the main determinants of the competitiveness of the different destination groups as a function of their life-cycle position. [ABSTRACT FROM AUTHOR]

Background: Metabolic age is defined as an estimation of a person's age based on their basal metabolic rate (BMR) and other physiological health indicators. Unlike chronological age, which simply measures the number of years lived since birth, metabolic age is based on various health and fitness markers that estimate the body's "true" biological age and can be assessed using various methodologies, including bioimpedance. The aim of this study was to evaluate how age, sex, social class, smoking habits, physical activity, and adherence to the Mediterranean diet influence metabolic age. Methods: A cross-sectional, descriptive study was conducted on 8590 Spanish workers in the Balearic Islands. A series of sociodemographic variables and health-related habits were assessed, while metabolic age was measured using bioimpedance. A metabolic age exceeding chronological age by 12 years or more was considered high. A descriptive analysis of categorical variables was performed by calculating their frequency and distribution. By applying multivariate models, specifically multinomial logistic regression, we observe that all independent variables (sex, age, social class, physical activity, mediterranean diet, and smoking) show varying levels of association with the occurrence of high metabolic age values. Among these independent variables, those showing the highest degree of association, represented by odds ratios, are physical activity, adherence to the Mediterranean diet, and social class. In all cases, the observed differences demonstrate a high level of statistical significance (p < 0.001). Results: The factors with the greatest influence were physical inactivity, with an OR of 5.07; and low adherence to the Mediterranean diet, with an OR of 2.8; followed by social class, with an OR of 2.51. Metabolic age increased with chronological age and was higher in males, with an OR of 1.38. Smoking also had a negative impact on metabolic age, with an OR of 1.19. Conclusions: Mediterranean diet is associated with a higher metabolic age. The most influential factors on metabolic age are physical activity and adherence to the Mediterranean diet, followed by the individual's socioeconomic class. Smoking also contributes to increased metabolic age, albeit to a lesser extent. [ABSTRACT FROM AUTHOR]

Background: Second-generation tau tracers for positron emission tomography (PET) show high affinity for paired helical filaments tau deposits characteristic of Alzheimer´s disease and low off-target binding. Differences in their chemical structure though may lead to variations in their regional tau uptake and off-target signal. In this work, we aimed to compare the in-vivo uptake of tau tracers [18F]PI-2620 and [18F]RO948 in the early stages of the AD continuum. Methods: Data from the TAU-PET FACEHBI clinical trial (EUDRA-CT 2021–000473-83) were analyzed. All participants were non-demented and underwent tau imaging with [18F]PI-2620 and [18F]RO948 PET within 3 months, amyloid imaging with [18F]Florbetaben and brain magnetic resonance imaging. Tau PET standardized uptake values ratios (SUVR) were calculated in Braak and typical off-target regions using the inferior cerebellar cortex as a reference region. Results: The cohort consisted of 18 individuals with subjective cognitive decline (n = 13) and mild cognitive impairment (n = 5), with centiloid values ranging from 17 to 159. Both tau tracers showed similar tau pathology distribution but presented a distinct off-target signal pattern on visual read. SUVR measurements for [18F]PI-2620 and [18F]RO948 were highly correlated in all Braak regions (R2 range [0.65–0.80]). Regarding off-target signal, [18F]PI-2620 had higher SUVRs in vascular structures, and [18F]RO948 had higher SUVRs in the skull/meninges. Conclusions: In a cohort of individuals at early stages of the AD continuum, tau PET tracers [18F]PI-2620 and [18F]RO948 showed similar in-vivo uptake in all Braak regions and distinct off-target signal. These preliminary results support the development of standardized quantification scales for tau deposition that are tracer-independent. Trial registration: AEMPS EudraCT 2021–000473-83. Registered 30 December 2021. [ABSTRACT FROM AUTHOR]