Segmentación del consumo de frutas frescas en base al instrumento Food-Related Lifestyle (FRL) en España

.The aim of this study is to know the fresh fruit consumer behavior. A Food lifestyles segmentation based in Food-Related Lifestyle framework through cluster analysis has been performed. Four segments have been obtained: "Total detachment", 4 %, "Lack of time for cooking, concerned about nutrition and extra-domestic consumer", 26,4 %, "Chefs and preference for natural products", the biggest with a 40,2 % of total population and, "Carefree" with 29,4%. All of them differed from each other with respect to food lifestyles and the fruit fresh consumption and their purchase criteria. The information collected has been useful to make recommendations to the fresh fruits sector about what marketing strategies are better for each segment..Para estudiar el comportamiento del consumidor de frutas frescas, se ha llevado una segmentación de estilos de vida alimentarios en base al instrumento Food-Related Lifestyle, por medio de un análisis tipo clúster con un procedimiento jerárquico. Se han obtenido cuatro segmentos: "Total desapego" que representa un 4% de la población, "Poco tiempo para cocinar, preocupado por la nutrición y consumo extradoméstico", 26,4%, "Cocineros y preferencia en productos naturales", siendo el más grande con un 40,2% y "Despreocupados" que lo conforma un 29,4% de la población. Todos ellos presentaban diferencias entre sí con respeto a los estilos de vida alimentarios y el consumo y criterios de compra de frutas frescas. La información obtenida ha servido para realizar algunas recomendaciones al sector respecto a que estrategias de marketing tomar para cada uno de los segmentos.[CA] Per estudiar el comportament del consumidor de fruita fresca, s'ha portat a terme una segmentació d'estils de vida alimentaris basat en l'instrument Food-Related Lifestyle per mitjà d'un anàlisi tipus cluster amb un procediment jeràrquic. Com a resultat, ha donat quatre segments: "Total deixadesa" que representa un 4% de la població, "Poc temps per a cuinar, preocupats per la nutrició i consum extradomèstic", 26,4%, "Cuiners i preferència per productes naturals", el més gran amb un 40,2% i "Despreocupats" conformat per un 29,4 % de la població. Tots ells han presentat diferències entre si, respecte als estils de vida alimentaris i al consum i criteris de compra de fruita fresca. La informació obtinguda ha sigut d'utilitat per realitzar algunes recomanacions respecte a quines estratègies de màrqueting prendre per cadascú dels segments.López Navarro, R. (2017). Segmentación del consumo de frutas frescas en base al instrumento Food-Related Lifestyle (FRL) en España. http://hdl.handle.net/10251/90140TFG

Life stories: Unraveling the academic configuration of a multifaceted and multidisciplinary field of knowledge

In the field of qualitative research, life stories are consolidated as one of the most important techniques within the biographical method. However, due to the multiplicity of techniques covered by this method and the disciplines in which it is applied, the contributions and scope of life histories do not present a clear delimitation. By contrast, a considerable conceptual confusion persists and the transfer of its production remains very narrow. In this sense, this article aims to clarify the field of knowledge generated through life stories. To this end, it innovatively applies the bibliometric method. Making use of performance analysis and scientific mapping through the VosViewer application, it studies a body of 2670 articles indexed in the Web of Science. The results show how knowledge transferred from psychology through its major schools of thought occupies a central place. This leaves in a secondary position the knowledge produced by other disciplines such as sociology or anthropology, which is not transferred in the main forums of scientific impact. In this way, the conclusion points to the need to open up new lines of research to find out the differences between the different techniques and disciplines when applying this methodolog

The Influence of Emotional Regulation and Cognitive Flexibility on Sleep Habits in Spanish Children and Adolescents through the Lens of Parents.

Background: Previous research studies have suggested the importance of studying the relationship between emotional regulation and sleep habits. Some investigations have especially focused on how emotional regulation could impact sleep habits in children and adolescents. Therefore, these researchers have stated there exists a two-way direction in this relationship. Objective: This study aimed to analyze the influence of emotional regulation on sleep habits in Spanish children and adolescents and the mediating role of anxiety in this relationship. Method: Participants were 953 Spanish parents who completed the assessment protocol according to their children and adolescents’ information. Results: The results revealed moderate–strong correlations between emotional regulation problems and sleep habit disturbances (r = 0.375, p < 0.001), trait (r = 0.488, p < 0.001) anxiety, and state (r = 0.589, p < 0.001) anxiety. Additionally, emotional regulation showed a direct impact on sleep habits ( = 0.011, p = 0.005). Trait and state anxiety demonstrated a significant mediating role in the relationship between emotional regulation and sleep habits. Conclusions: Emotional regulation may have an impact on sleep habits during childhood and adolescence, suggesting the importance of early intervention focused on the emotions management and the prevention of sleep habit disturbances.Funding for open access charge: Universidad de Málaga / CBU

Calcium is reduced in presynaptic mitochondria of motor nerve terminals during neurotransmission in SMA mice

Spinal muscular atrophy (SMA) is an autosomal recessive degenerative motor neuron disease characterized by symmetrical muscle weakness and atrophy of limb and trunk muscles being the most severe genetic disease in children. In SMA mouse models, motor nerve terminals display neurotransmitter release reduction, endocytosis decrease and mitochondria alterations. The relationship between these changes is, however, not well understood. In the present study, we investigated whether the endocytosis impairment could be related to the functional alteration of the presynaptic mitochondria during action potential (AP) firing. To this aim, we generated a Synaptophysin-pHluorin (SypHy) transgenic mouse, crossed it with Taiwanese SMA mice, and recorded exo- and endocytosis and mitochondria Ca2+ signaling in real-time at ex vivo motor nerve terminals of Taiwanese-SypHy mice. The experiments were performed at the beginning of the motor symptoms to get an integrated view of the nerve terminal’s functional state before degeneration. Our electrophysiological and live imaging results demonstrated that the mitochondria’s capacity to increase matrix-free Ca2+ in SMA mice was significantly limited during nerve AP firing, except when the rate of Ca2+ entry to the cytosol was considerably reduced. These results indicate that both the mitochondrial Ca2+ signaling alterations and the secretion machinery defects are significant players in the dysfunction of the presynaptic terminal in SMA

Peces hospedadores de la margaritona Pseudunio auricularius (Spengler, 1793) en la cuenca del río Ebro

Pseudunio auricularius (Spengler, 1793) es una especie de almeja de agua dulce o náyade, catalogada como “en peligro crítico”, que experimenta un declive poblacional grave en España. Actualmente, aunque la población se ha reducido de forma notable, se encuentra presente en el río Ebro, Canal de Tauste y Canal Imperial de Aragón. En este último habitaba la colonia más numerosa y, desde el año 2013, se ha producido un fenómeno de mortalidad elevada perdiéndose alrededor de un 80% de los ejemplares. Una de las causas por las cuales P. auricularius se encuentra en situación crítica en España, es la ausencia de peces hospedadores en el hábitat para cerrar su ciclo reproductivo. En el presente trabajo se han infestado, en condiciones controladas, diversas especies de peces presentes en la cuenca del Ebro: gambusia, barbo común, alburno y gobio. Los objetivos fueron determinar su capacidad hospedadora, comparar el grado de infestación de las diversas especies utilizadas, determinar la evolución de los gloquidios en función de los grados-día acumulados y comprobar el nacimiento de juveniles. Se utilizó, además, esturión siberiano como control positivo de la infestación.La gambusia fue la única especie capaz de completar la metamorfosis del gloquidio de P. auricularius y dar lugar a juveniles. De las dos metodologías utilizadas para determinar el grado de infestación, el conteo directo de gloquidios adheridos en branquias fue el método más exacto para determinar el grado de infestación de los hospedadores. Mediante esta metodología, la especie en la que se registró un mayor número de gloquidios adheridos en branquias, en relación a su tamaño medio, fue el barbo común, aunque finalmente, sin éxito en la transformación de los gloquidios en juveniles.<br /

Evaluation of Feature Selection Techniques for Breast Cancer Risk Prediction

This study evaluates several feature ranking techniques together with some classifiers based on machine learning to identify relevant factors regarding the probability of contracting breast cancer and improve the performance of risk prediction models for breast cancer in a healthy population. The dataset with 919 cases and 946 controls comes from the MCC-Spain study and includes only environmental and genetic features. Breast cancer is a major public health problem. Our aim is to analyze which factors in the cancer risk prediction model are the most important for breast cancer prediction. Likewise, quantifying the stability of feature selection methods becomes essential before trying to gain insight into the data. This paper assesses several feature selection algorithms in terms of performance for a set of predictive models. Furthermore, their robustness is quantified to analyze both the similarity between the feature selection rankings and their own stability. The ranking provided by the SVM-RFE approach leads to the best performance in terms of the area under the ROC curve (AUC) metric. Top-47 ranked features obtained with this approach fed to the Logistic Regression classifier achieve an AUC = 0.616. This means an improvement of 5.8% in comparison with the full feature set. Furthermore, the SVM-RFE ranking technique turned out to be highly stable (as well as Random Forest), whereas relief and the wrapper approaches are quite unstable. This study demonstrates that the stability and performance of the model should be studied together as Random Forest and SVM-RFE turned out to be the most stable algorithms, but in terms of model performance SVM-RFE outperforms Random Forest.The study was partially funded by the “Accion Transversal del Cancer”, approved on the Spanish Ministry Council on the 11th October 2007, by the Instituto de Salud Carlos III-FEDER (PI08/1770, PI08/0533, PI08/1359, PS09/00773, PS09/01286, PS09/01903, PS09/02078, PS09/01662, PI11/01403, PI11/01889, PI11/00226, PI11/01810, PI11/02213, PI12/00488, PI12/00265, PI12/01270, PI12/00715, PI12/00150), by the Fundación Marqués de Valdecilla (API 10/09), by the ICGC International Cancer Genome Consortium CLL, by the Junta de Castilla y León (LE22A10-2), by the Consejería de Salud of the Junta de Andalucía (PI-0571), by the Conselleria de Sanitat of the Generalitat Valenciana (AP 061/10), by the Recercaixa (2010ACUP 00310), by the Regional Government of the Basque Country by European Commission grants FOOD-CT- 2006-036224- HIWATE, by the Spanish Association Against Cancer (AECC) Scientific Foundation, by the The Catalan Government DURSI grant 2009SGR1489. Samples: Biological samples were stored at the Parc de Salut MAR Biobank (MARBiobanc; Barcelona) which is supported by Instituto de Salud Carlos III FEDER (RD09/0076/00036). Furthermore, at the Public Health Laboratory from Gipuzkoa and the Basque Biobank. Furthermore, sample collection was supported by the Xarxa de Bancs de Tumors de Catalunya sponsored by Pla Director d’Oncologia de Catalunya (XBTC). Biological samples were stored at the “Biobanco La Fe” which is supported by Instituto de Salud Carlos III (RD 09 0076/00021) and FISABIO biobanking, which is supported by Instituto de Salud Carlos III (RD09 0076/00058).S

Evaluación de recursos hídricos y balance hidrogeológico en acuíferos kársticos de montaña. Caso de la Sierra de Grazalema (Cádiz, España)

En este trabajo se presenta el procedimiento para evaluar los recursos hídricos y realizar el balance hidrogeológico de los acuíferos kársticos de la Sierra de Grazalema (provincia de Cádiz, España), durante el periodo 2012/13-2014/15. Por una parte se han cuantificado las salidas de los acuíferos a partir de la integración del hidrograma de los manantiales y por otra se han estimado las entradas, mediante diversas ecuaciones de balance hídrico del suelo: Thornthwaite, Blaney-Criddle y Hargreaves. Los valores medios anuales de recursos determinados con la ecuación de Hargreaves son los que más se asemejan a las salidas medidas en la mayoría de los acuíferos. Sin embargo, en uno de ellos se ha detectado un exceso medio anual de 31 hm3/año de las entradas con respecto a las salidas, que podría estar ligado a transferencias subterráneas a otros sistemas kársticos circundantesUniversidad de Málaga. Campus de Excelencia Internacional Andalucía Tec

Evaluation of Feature Selection Techniques for Breast Cancer Risk Prediction

[EN] This study evaluates several feature ranking techniques together with some classifiers based on machine learning to identify relevant factors regarding the probability of contracting breast cancer and improve the performance of risk prediction models for breast cancer in a healthy population. The dataset with 919 cases and 946 controls comes from the MCC-Spain study and includes only environmental and genetic features. Breast cancer is a major public health problem. Our aim is to analyze which factors in the cancer risk prediction model are the most important for breast cancer prediction. Likewise, quantifying the stability of feature selection methods becomes essential before trying to gain insight into the data. This paper assesses several feature selection algorithms in terms of performance for a set of predictive models. Furthermore, their robustness is quantified to analyze both the similarity between the feature selection rankings and their own stability. The ranking provided by the SVM-RFE approach leads to the best performance in terms of the area under the ROC curve (AUC) metric. Top-47 ranked features obtained with this approach fed to the Logistic Regression classifier achieve an AUC = 0.616. This means an improvement of 5.8% in comparison with the full feature set. Furthermore, the SVM-RFE ranking technique turned out to be highly stable (as well as Random Forest), whereas relief and the wrapper approaches are quite unstable. This study demonstrates that the stability and performance of the model should be studied together as Random Forest and SVM-RFE turned out to be the most stable algorithms, but in terms of model performance SVM-RFE outperforms Random Forest.SIAcción Transversal del CáncerInstituto de Salud Carlos III (FEDER PI08/1770, PI08/0533, PI08/1359, PS09/00773, PS09/01286, PS09/01903, PS09/02078, PS09/01662, PI11/01403, PI11/01889, PI11/00226, PI11/01810, PI11/02213, PI12/00488, PI12/00265, PI12/01270, PI12/00715, PI12/00150Fundación Marques de Valdecilla (API 10-19)ICGC International Cancer Genome ConsortiumJunta de Castilla y León (LE22A10-2)Junta de Andalucía, Consejería de Salud (PI-0571)Recercaixa (2010ACUP 00310)Regional Government of the Basque Country by European Commission grants FOOD-CT- 2006-036224- HIWATESpanish Association Against Cancer (AECC) Scientific FoundationThe Catalan Government DURSI grant 2009SGR148

Experimentación comercial para la mejora del SEO local de una cadena de distribución alimentaria

Hoy en día es muy importante que las empresas trabajen sus sitios web en busca de mejorar su posición en los buscadores (Google, Yahoo, etc.), para ello emplean una serie de técnicas y herramientas que aumentan la visibilidad del establecimiento o negocio según su situación geográfica (SEO local). El objetivo del trabajo es realizar un experimento para observar la evolución del SEO local de las ubicaciones de una cadena de supermercados en la ciudad de València en los servicios de búsqueda y mapas de Google. Para ello se seleccionaron 53 supermercados de los que Google no disponía fotografías propias y se creó un grupo control al que no se les aplicó ningún tratamiento. Este grupo estaba formado por 14 supermercados, seleccionados en base a criterios geográficos (distritos de la ciudad de València), características propias de los locales (metros cuadrados, parking propio) y densidad comercial. Como indicadores de evolución se usaron las visualizaciones (de la búsqueda o de Maps), las búsquedas (directas e indirectas) y acciones (llamada, visita al sitio web y solicitud de indicaciones). Se observó una mejora en los tres indicadores con una repercusión de 3.5 millones de visualizaciones, 3,3 millones de búsquedas y 1,9 millones de acciones de los usuarios más que en 2019

Consequences of COVID-19 confinement on anxiety, sleep and executive functions of children and adolescents in Spain.

The present study was carried out with the intention of studying the consequences of confinement on anxiety, sleep routines and executive functioning of 1,028 children and adolescents, aged from 6 to 18 years, residing in Spain to; assess if there are differences regarding these consequences in terms of sex and age; how anxiety affects executive functioning in males and females; and to examine the possible correlations between the measured variables. For this purpose, an online questionnaire containing five sections was designed: the first section gathers information on sociodemographic and health data, while the following sections gather information from different standardized scales which measure anxiety, sleep and executive functions, whose items were adapted in order to be completed by parents, and/or legal guardians. The statistical analyzes carried out highlights significant differences in executive functioning between males and females. In turn, in regards to age, greater difficulties were detected in anxiety in the 9 to 12 age group and greater sleep disturbances between 13 and 18 year olds. On the other hand, significant differences were found in intra-sexual executive functioning depending on whether they presented greater or lesser anxiety, with executive functioning being more tendentiously maladjusted in males than in females, revealing a significantly relevant effect size (p = 0.001; &2 = 0.27 BRIEF-2; &2 = 0.19 BDEFS-CA; 95%). Positive correlations are obtained between state anxiety and sleep and executive functioning alterations. Finally, through Path Analysis, it is verified that state anxiety is the variable with the greatest weight within the model that would explain the alteration in the executive functioning of the present sample