Carbon capture from biomass flue gases for CO2 enrichment in greenhouses.

Heating and CO2 enrichment systems can improve yields in intensive greenhouse agriculture Combining both techniques, which are currently applied commercially, can potentially enhance their effect. The CO2 must be separated from the other noxious gases present (such as CO, NOX, and SO2) to avoid them becoming part of the supply. The CO2 is then provided to the greenhouse on demand in the same way as the heating. In this work, we show that an improved food productivity of a pilot-scale greenhouse system combined with CO2 capture by adsorption using activated carbon and heating with alternative fuel. The proposed system's overall performance was evaluated and optimized. The best values were 46.7 g/kg of CO2 storage capacity on the adsorbent bed, 99.99 % removal rate harmful gases from the gas supplied to the greenhouse, CO2 levels of 1851.0 ± 262.8 mg/Nm3 of the CO2 levels in the greenhouse, and an enrichment time of 2.18 ± 0.92 h/day. The system's effective performance over extended periods (November-February) was confirmed and the productivity of a crop species (tomato) was compared to a control, showing an increment of 18 %. The results indicate that this is a valuable option for increasing the crop yield. By integrating this combined system with advanced climate control strategies, it is possible to maximize the CO2 provided per day, leading to higher yields. The system proved to be stable under real pilot-scale conditions over winter periods (four months).

Human Enterovirus Diversity by Next-Generation Sequencing Analysis in Urban Sewage Samples From Buenos Aires Metropolitan Area, Argentina: A Retrospective Study.

Human Enteroviruses (hEVs) are responsible for a wide variety of human diseases. During hEVs infection, virions are excreted in human feces and the fecal-oral route is the primary pathway for person-to-person transmission. Sewage surveillance could help in monitoring hEVs circulation and describing their diversity in a specific population. In this study, sewage samples collected in Buenos Aires Metropolitan Area (Argentina) were retrospectively studied through an amplicon-deep sequencing approach and phylogenetic analyses to characterize hEVs spread. We identified 17 different hEVs types belonging to A, B, and C species. To the best of our knowledge, this is the first report in Buenos Aires for 7 identified hEV-C types. Phylogenetic analyses suggest several introductions of coxsackievirus B4, echovirus 1, and echovirus 9 in the country, along with the national spread reached by some variants. Besides, well-supported monophyletic groups of Argentine, Uruguayan, and Brazilian strains unveiled regional circulation patterns for some variants. These results extend our knowledge about hEVs circulation in Buenos Aires and might exhort authorities to implement more active sewage surveillance in the region.

[Study of the relationship between adherence to back school and coping with pain in patients with chronic low back pain]. / Estudio de la relación entre adherencia a la Escuela de la Espalda y afrontamiento del dolor en pacientes con lumbalgia crónica.

INTRODUCTION: Back School (BS) is a treatment modality for patients with chronic low back pain with educational contents associated with other therapeutic measures such as exercise. If followed, it is effective but it is well known that it is difficult to make changes to daily habits. This study evaluated whether patients completing BS had a predominance of active strategies in coping with pain, as they adhered better to the recommendations of BS. MATERIAL AND METHOD: Prospective observational study to evaluate BS adherence in patients with chronic low back pain. Adult patients attending BS were included in the study. Patients whose educational level, concomitant pathology or personal situation prevented them from completing the study were excluded. The patients were evaluated at the beginning and after the third session of BS. The variables studied were adherence to exercises and recommendations, coping with pain, pain intensity, functional disability and other sociodemographic characteristics. RESULTS: A total of 67.2% of the 116 included patients acknowledged that they did not perform the exercises and recommendations of BS every day. No relationship was established between patients with active strategies for coping with pain and adherence to BS. Functional capacity and pain intensity did not differ between adherent and non-adherent patients. CONCLUSIONS: This study did not demonstrate that adherence to the exercises and habits taught in BS is related to coping with pain strategies, pain intensity and functional capacity in patients with chronic low back pain.

[Study of pulmonary hypertension and long-term respiratory clinic in children with congenital diaphragmatic hernia]. / Estudio de la hipertensión pulmonar y la clínica respiratoria a largo plazo en los niños con hernia diafragmática congénita.

INTRODUCTION AND OBJECTIVES: The aim of this study is to identify respiratory clinic and pulmonary arterial hypertension (PAH) in congenital diaphragmatic hernia (CDH) and whether these could be predicted by prenatal measures. MATERIAL AND METHODS: We studied fetal ultrasound: Observed/expected Lung to Head Ratio (O/E LHR) and classified patients according to their outcome (group 1: O/E LHR <25%, group 2: 26-35%, group 3: 36-45%, group 4: >55%) as well as the severity of PAH (group 0: non-PAH, group 1: mild, group 2: moderate, group 3: severe) in echocardiograms at birth, 1st, 6th, 12th and 24 months of life. We also evaluated gestational age, weight, bronchodilator treatment and number of hospital admissions. RESULTS: 58 patients with CDH, 13 without prenatal diagnosis. 36 patients out of 45 had O/E LHR calculated at 22.4 ± 5.8 weeks. O/E LHR had significant association with the severity of PAH at birth and in the 1st, 6th, 12th and 24th months (p <0.05). At 6 months, only 30.4% had PAH without any association with a higher risk of hospital admission [OR 1.07 (0.11-10.1)] and only three patients (5.1%) required bronchodilator treatment. CONCLUSION: In CDH, PAH and the respiratory clinic improve over time, being uncommon the need for treatment as of the 6th month. O/E LHR predicts the presence and severity of PAH in short and long term.

INTRODUCCION Y OBJETIVOS: Nuestro objetivo es estudiar la presencia en hernia diafragmática congénita (HDC) de clínica respiratoria e hipertensión pulmonar (HTP) a largo plazo y si estas pueden predecirse prenatalmente. MATERIAL Y METODOS: Estudiamos en ecografía fetal: Lung to Head Ratio observado/esperado (LHR O/E) y clasificamos a los pacientes según su resultado (grupo 1: LHR O/E <25%, grupo 2: 26-35%, grupo 3: 36-45%, grupo 4: >55%) así como la gravedad de HTP (grupo 0: no HTP, grupo 1: leve, grupo 2: moderada, grupo 3: grave) en los ecocardiogramas al nacimiento, 1º, 6º, 12º y 24º meses de vida. Estudiamos también edad gestacional, peso, tratamiento broncodilatador y número de ingresos hospitalarios. RESULTADOS: Se identificaron 58 pacientes con HDC, 13 de ellos sin diagnóstico prenatal. De los 45 restantes, 36 tenían calculado el LHR O/E registrado a las 22,4 ± 5,8 semanas. El LHR O/E se relacionó significativamente con la gravedad de la HTP al nacimiento y en los meses 1º, 6º, 12º y 24º (p <0,05). A los 6 meses únicamente el 30,4% presentaban HTP sin que ello asociara más riesgo de ingresos hospitalarios [OR 1,07 (0,11-10,1)] y siendo solo n = 3 (5,1%) los que precisaban algún tipo de tratamiento broncodilatador. CONCLUSION: En HDC, la HTP y la clínica respiratoria mejoran con el tiempo, siendo infrecuente la necesidad de tratamiento a partir del 6º mes. El LHR O/E predice la presencia y gravedad de HTP a corto y largo plazo.

[Perinatal factors for necrotizing enterocolitis (NEC). A case-control study]. / Factores perinatales en el desarrollo de enterocolitis necrotizante. Un estudio de casos y controles.

AIM OF THE STUDY: The aim of this study is to identify potential perinatal risk or protective factors associated with NEC. MATERIALS AND METHODS: Single-center, retrospective case-control study of newborns admitted to the neonatal intensive care unit with NEC from 2014 to 2015. Clinical charts were reviewed recording maternal factors (fever, positive recto-vaginal swab and signs of corioamnionitis or fetal distress), and neonatal factors analyzed were: birth-weight and weeks gestation, umbilical vessel catheterization, time of enteral feedings and the use of probiotics, antibiotics and antifungal agents. Cases and controls were matched for all of these factors. Parametric tests were used for statistical analysis and p < 0.05 deemed significant. RESULTS: We analyzed 500 newborns of which 44 developed NEC (cases) and 456 controls. Univariate analysis did not identify any maternal risk factors for NEC. We did not found statistical differences between patients either time of enteral feedings or probiotics. Nevertheless, patients with signs of fetal distress and early sepsis had a higher risk of NEC (p < 0.0001). CONCLUSIONS: Infants with history of fetal distress and signs of early sepsis are at a higher risk of NEC. The use of prophylactic catheter infection or orotracheal intubation with antifungal treatment seemed to elevate the incidence of NEC. However, antibiotic treatment couldn´t be demonstrated to increase the risk of NEC.

OBJETIVOS: Identificar factores perinatales que favorezcan el desarrollo de enterocolitis necrotizante (ECN) en las unidades de cuidados intensivos neonatales (UCIN). METODOS: Estudio de casos y controles de los recién nacidos (RN) tratados entre 2014-2015. Se evaluaron factores de riesgo materno-fetal (fiebre, corioamnionitis, cultivos rectovaginales y sufrimiento intrauterino) y neonatales (edad gestacional, canalización de vasos umbilicales, hemocultivos, sepsis, nutrición y probióticos) y su asociación a la ECN. Estudiamos también la existencia de tratamiento antibiótico y antifúngico intravenoso previo al cuadro de ECN. Se estimó la odds ratio con un nivel de significación p < 0,05. RESULTADOS: Se analizaron 500 neonatos: 44 ECN y 456 controles. En el análisis univariante ninguno de los factores de riesgo maternos se relacionó con el desarrollo de ECN. No se encontraron diferencias significativas en los RN que recibieron alimentación enteral o probióticos. Los RN con sufrimiento fetal y los diagnosticados de sepsis precoz presentaron mayor riesgo de desarrollo de ECN (p < 0,0001). CONCLUSION: La pérdida de bienestar fetal y la sepsis precoz favorecen el desarrollo de ECN, que también parece aumentar con el uso de antibioterapia sistémica así como el tratamiento antifúngico profiláctico para las infecciones de catéter o intubaciones orotraqueales prolongadas.

Personas enfermas al final de la vida: vivencias en la accesibilidad a recursos sociosanitarios / Sick persons at the end of their lives: Experiences related to their accessibility to social-sanitary resources / Pessoas doentes no final da vida: vivencias na acessibilidade a recursos sociosanitários

Objetivo: Identificar cuáles han sido las principales limitaciones y dificultades en el acceso a los recursos sociosanitarios que han vivido las personas al final de la vida, a través de las vivencias y las percepciones de los cuidadores de estos enfermos. Método: Estudio cualitativo multicéntrico con enfoque fenomenológico, mediante 5 grupos de discusión y 41 entrevistas en profundidad, en Andalucía, España. La selección de los participantes se realizó intencionadamente entre los cuidadores que habían sufrido la muerte de su familiar, entre 2 meses y 2 años después del fallecimiento. Se optó por el método de Giorgi para el análisis de la información, y como soporte informático utilizamos Atlas ti 6.0. Resultados: Se han obtenido una serie de categorías relacionadas con distintos niveles de asistencia sanitaria: el sufrimiento en los servicios de urgencias, la necesidad de intimidad, la sensación de soledad y la vivencia en el domicilio. Conclusiones: Los cuidadores han descrito una serie de obstáculos de acceso a los distintos recursos sociosanitarios, entre los que destacan la existencia de protocolos muy generales de atención que no tenían en cuenta el proceso de enfermedad de su familiar y la necesidad de una habitación individualizada, durante el ingreso hospitalario. En el domicilio se sienten protegidos por los profesionales de atención primaria, pero presentan dificultades de acceso a apoyo psicológico y a las unidades de cuidados paliativos. Por tanto, es prioritario que desde el sistema sanitario se puedan fomentar los aspectos asistenciales esenciales en la atención a estos enfermos y favorecer una muerte con dignidad.

Objective: From the perspective of their health providers, to identify the main limitations and difficulties which persons at the end of their lives have experienced in relation to their accessibility to social-sanitary resources. Method: This is a phenomenological-focused qualitative and multi-centric study which conducted 5 discussion groups and 41 in-depth interviews in Andalucia, Spain. The participant selection was limited to those health providers who had suffered the death of a family member within the past two years. The Giorgi method was chosen to analyze and back-up the data. Atlas ti 6.0 was also used. Results: From the analysis, several sanitary-assistance-level categories arose including: the suffering at the urgency services, the need of intimacy, the feelings of loneliness, and the life at home. Conclusions: The care providers described a series of barriers to the access to social-sanitary resources highlighting the very general attention protocols which did not integrally consider the illness process of the beloved, and the need to an individualized room while admission at the hospital. Although while at home, these persons feel protected under the attention of the primary care professionals, they have difficulties to having access to psychological support at the palliative care units. Therefore, it is a priority that, from the sanitary system, the essential assisting attention can be warranted, thus supporting these sick persons to go through death in dignity.

Objetivo: Identificar quais têm sido as principais limitações e dificuldades no acesso aos recursos sociosanitários que viveram as pessoas no final da vida, através das vivencias e as percepções dos cuidadores destes doentes. Método: Estudo qualitativo multicêntrico com abordagem fenomenológica, mediante 5 grupos de discussão e 41 entrevistas a profundidade, em Andaluzia, Espanha. A seleção dos participantes realizou-se intencionadamente entre aqueles cuidadores que sofreram a morte de seu familiar, entre dois meses e dois anos depois da morte. Optou-se pelo método de Giorgi par análise da informação e como suporte informático, utilizamos Atlas ti 6.0. Resultados: Obtiveram-se uma série de categorias relacionadas, com diferentes níveis de assistência sanitária: o sofrimento nos serviços de pronto socorro, a necessidade de intimidade, a sensação de solidão e a vivencia no domicílio. Conclusões: Os cuidadores, descreveram uma série de obstáculos de acesso aos diferentes recursos sociosanitários nos quais salienta, a existência de protocolos muito gerais de atenção que não tinham em conta o processo de doença de seu familiar e a necessidade de um quarto individualizado, durante o ingresso hospitalar. No domicilio sentem-se protegidos pelos profissionais de atenção primaria, mas, apresentam dificuldades de acesso ao apoio psicológico e às unidades de cuidados paliativos. Portanto, é prioritário que desde o sistema sanitário se possam promover aqueles aspectos assistenciais essenciais na atenção destes doentes e favorecer uma morte com dignidade.

Integrating ecotoxicity and chemical approaches to compare the effects of ZnO nanoparticles, ZnO bulk, and ZnCl2 on plants and microorganisms in a natural soil.

This work compared the toxicity of ZnO nanoparticles (ZnO-NPs), ZnO bulk, and ZnCl2 on microbial activity (C and N transformations and dehydrogenase and phosphatase activities) and their uptake and toxic effects (emergence, root elongation, and shoot growth) on three plant species namely wheat, radish, and vetch in a natural soil at 1000 mg Zn kg(-1). Additionally, plants were also tested at 250 mg Zn kg(-1). The effects of the chemical species on Zn extractability in soil were studied by performing single and sequential extractions. ZnCl2-1000 presented the highest toxicity for both taxonomic groups. For microorganisms, ZnO-NPs demonstrated adverse effects on all measured parameters, except on N transformations. The effects of both ZnO forms were similar. For plants, ZnO-NPs affected the growth of more plant species than ZnO bulk, although the effects were small in all cases. Regarding accumulation, the total Zn amounts were higher in plants exposed to ZnO-NP than those exposed to ZnO bulk, except for vetch shoots. The soil sequential extraction revealed that the Zn concentration in the most labile forms (water soluble (WS) and exchangeable (EX)) was similar in soil treated with ZnO (NP and bulk) and lower than that of ZnCl2-treated soil, indicating the higher availability of the ionic forms. The strong correlations obtained between WS-Zn fraction and the Zn concentrations in the roots, shoots, and the effects on shoot weight show the suitability of this soil extraction method for predicting bioavailable Zn soil for the three plant species when it was added as ZnO-NPs, ZnO bulk, or ZnCl2. In this work, the hazard associated with the ZnO-NPs was similar to ZnO bulk in most cases.

Generation and evaluation of typical meteorological year datasets for greenhouse and external conditions on the Mediterranean coast.

A typical meteorological year (TMY) represents the typical meteorological conditions over many years but still contains the short term fluctuations which are absent from long-term averaged data. Meteorological data were measured at the Experimental Station of Cajamar 'Las Palmerillas' (Cajamar Foundation) in Almeria, Spain, over 19 years at the meteorological station and in a reference greenhouse which is typical of those used in the region. The two sets of measurements were subjected to quality control analysis and then used to create TMY datasets using three different methodologies proposed in the literature. Three TMY datasets were generated for the external conditions and two for the greenhouse. They were assessed by using each as input to seven horticultural models and comparing the model results with those obtained by experiment in practical trials. In addition, the models were used with the meteorological data recorded during the trials. A scoring system was used to identify the best performing TMY in each application and then rank them in overall performance. The best methodology was that of Argiriou for both greenhouse and external conditions. The average relative errors between the seasonal values estimated using the 19-year dataset and those using the Argiriou greenhouse TMY were 2.2 % (reference evapotranspiration), -0.45 % (pepper crop transpiration), 3.4 % (pepper crop nitrogen uptake) and 0.8 % (green bean yield). The values obtained using the Argiriou external TMY were 1.8 % (greenhouse reference evapotranspiration), 0.6 % (external reference evapotranspiration), 4.7 % (greenhouse heat requirement) and 0.9 % (loquat harvest date). Using the models with the 19 individual years in the historical dataset showed that the year to year weather variability gave results which differed from the average values by ± 15 %. By comparison with results from other greenhouses it was shown that the greenhouse TMY is applicable to greenhouses which have a solar radiation transmission of approximately 65 % and rely on manual control of ventilation which constitute the majority in the south-east of Spain and in most Mediterranean greenhouse areas.

Toxicity of ZnO nanoparticles, ZnO bulk, and ZnCl2 on earthworms in a spiked natural soil and toxicological effects of leachates on aquatic organisms.

The present study assessed the uptake and toxicity of ZnO nanoparticles (NPs), ZnO bulk, and ZnCl2 salt in earthworms in spiked agricultural soils. In addition, the toxicity of aqueous extracts to Daphnia magna and Chlorella vulgaris was analyzed to determine the risk of these soils to the aquatic compartment. We then investigated the distribution of Zn in soil fractions to interpret the nature of toxicity. Neither mortality nor differences in earthworm body weight were observed compared with the control. The most sensitive end point was reproduction. ZnCl2 was notably toxic in eliminating the production of cocoons. The effects induced by ZnO-NPs and bulk ZnO on fecundity were similar and lower than those of the salt. In contrast to ZnO bulk, ZnO-NPs adversely affected fertility. The internal concentrations of Zn in earthworms in the NP group were greater than those in the salt and bulk groups, although bioconcentration factors were consistently <1. No relationship was found between toxicity and internal Zn amounts in earthworms. The results from the sequential extraction of soil showed that ZnCl2 displayed the highest availability compared with both ZnO. Zn distribution was consistent with the greatest toxicity showed by the salt but not with Zn body concentrations. The soil extracts from both ZnO-NPs and bulk ZnO did not show effects on aquatic organisms (Daphnia and algae) after short-term exposure. However, ZnCl2 extracts (total and 0.45-µm filtered) were toxic to Daphnia.

Analysis of the circulation of hepatitis A virus in Argentina since vaccine introduction.

Hepatitis A virus (HAV) has shown intermediate endemicity in Argentina, but its incidence has decreased since vaccine introduction in 2005. Environmental surveillance was conducted in five rivers from Argentina from 2005 to 2012, complementing clinical information. HAV detection decreased since 2005, although its circulation continues, maintaining viral diversity but not undergoing antigenic drift. Most sequences belonged to subgenotype IA, closely related to Argentinean clinical sequences, but one belonged to proposed subgenotype IC, previously undetected in the country. Environmental surveillance might contribute to monitoring the single-dose vaccination schedule, representing not only strains causing disease but also the circulating population and the viral introductions.

[Observational retrospective study to evaluate the effectiveness and safety of treatment schemes with bortezomib for multiple myeloma in our hospital]. / Estudio observacional restrospectivo para evaluar la efectividad y seguridad de esquemas de tratamiento con bortezomib para el mieloma múltiple en nuestro hospital.

OBJECTIVES: To analyse therapeutic regimens including bortezomib used in our centre for the treatment of multiple myeloma, to evaluate its effectiveness and safety in clinical practice in our hospital, and to assess the appropriateness of the indications described in guidelines. MATERIAL AND METHODS: Retrospective analysis of patients diagnosed with multiple myeloma in the period between January 2008 and December 2009 (24 months) that received treatment with a regimen including bortezomib. We analysed demographic variables (age, sex), disease characteristics (type of multiple myeloma, stage, and clinical cytogenetic abnormalities), concomitant drugs, response, and side effects of the regimen including bortezomib. RESULTS: We included 59 patients who were diagnosed with multiple myeloma (25 males and 34 females) with an average age of 63 years (range 30-82 years). The overall response rate for patients who received first-line regimens with bortezomib ranged between 69% (vincristine, carmustine, cyclophosphamide, melphalan and prednisone/vincristine, carmustine, doxorubicin, and dexamethasone plus bortezomib) and 82% (bortezomib, melphalan and oral prednisone). When we analysed the salvage treatment regimens: Bortezomib-Dexamethasone, Bortezomib-Cyclophosphamide-Dexamethasone and bortezomib, doxorubicin, melphalan alternating with thalidomide, cyclophosphamide, and dexamethasone achieved overall response rates of 72%, 77% and 89%, respectively. Adverse reactions to bortezomib or a treatment regimen that included it occurred in 32 (54%) patients, highlighting neurotoxicity in 19 patients (32%) and gastrointestinal toxicity in 12 (20%). CONCLUSIONS: The results of our study show the important role of bortezomib in the treatment of multiple myeloma, with response rates and side effects comparable to published data, although the conditions for using it in clinical practice are not yet recognized in the guidelines for use.

Remediation trials for hydrocarbon-contaminated sludge from a soil washing process: evaluation of bioremediation technologies.

The usual fate of highly contaminated fine products (silt-clay fractions) from soil washing plants is disposal in a dump or thermal destruction (organic contaminants), with consequent environmental impacts. Alternative treatments for these fractions with the aim of on-site reuse are needed. Therefore, the feasibility of two technologies, slurry bioremediation and landfarming, has been studied for the treatment of sludge samples with a total petroleum hydrocarbon (TPH) content of 2243 mg/kg collected from a soil washing plant. The treatability studies were performed at the laboratory and pilot-real scales. The bioslurry assays yielded a TPH reduction efficiency of 57% and 65% in 28 days at the laboratory and pilot scale, respectively. In the landfarming assays, a TPH reduction of 85% in six months was obtained at laboratory scale and 42% in three months for the bioremediation performed in the full-scale. The efficiency of these processes was evaluated by ecotoxicity assessments. The toxic effects in the initial sludge sample were very low for most measured parameters. After the remediation treatments, a decrease in toxic effects was observed in earthworm survival and in carbon mineralisation. The results showed the applicability of two well known bioremediation technologies on these residues, this being a novelty.

[Usefulness of self-expanding biodegradable prosthesis in the treatment of refractory benign stenosis: a case series study]. / Utilidad de las prótesis autoexpandibles biodegradables en el tratamiento de estenosis benignas refractarias. Estudio de una serie de casos.

BACKGROUND: The use of self-expanding biodegradable prosthesis treatment of refractory benign stenosis is still undefined. OBJECTIVE: To determine the utility and safety of biodegradable polydioxanone prostheses as treatment of gastrointestinal tract refractory benign strictures. METHODS: Consecutive patients diagnosed with refractory benign stricture of gastrointestinal tract following Kochman's criteria were included. The type of stenosis were anastomotic (n = 5), peptic (n = 1), post-radiotherapy (n = 1) and they were located in proximal esophagus-hypofarynge (n = 2), esophagus medium (n = 1), distal esophagus (n = 2) and rectum (n = 2). The prosthesis was placed under endoscopic and fluoroscopic control under conscious sedation with propofol. RESULTS: Seven patients (8 prosthesis) were included. Mean patient age was 49 years-old (range: 37-70). Insertion prosthesis was successful in all cases. Distal migration of prosthesis was observed in both rectal stenosis and was the indication of a second prosthesis placement in one case. At the end of follow-up (median follow-up 30 weeks for esophageal stricture, 33 weeks for rectal stricture) 5 patients remained asymptomatic. Eighty per cent of patients with esophageal stenosis showed partial and transient re-stenosis due to hyperplastic reaction during the degradation of the prosthesis, with transient dysphagia in two patients resolved medically. Complete prosthesis degradation was confirmed by endoscopy in all cases. CONCLUSIONS: The use of self-expanding biodegradable polydioxanone prosthesis is a safe and utile therapeutic option for refractory benign gastrointestinal stenosis.

[Cerebellar contribution to cognitive process: current advances]. / Contribucion del cerebelo a los procesos cognitivos: avances actuales.

INTRODUCTION: The cerebellum has traditionally been considered a neuronal system which is an essential part of coordination and motor control. However, in recent decades the idea of the cerebellum as an organ related to high level cognitive processes has gained strength, a claim supported by studies carried out on animals and humans with cerebellar lesions such as the contribution of modern neuroimaging techniques. DEVELOPMENT: The contribution of the cerebellum is reviewed in different cognitive functions such as the regulation of motor functions, attention, language, visuoconstructional skills, learning, memory and executive functions. The results of said review produce, as the most clarifying data, the influence of the cerebellum on processes such as attention, working memory (covert articulation) and verbal fluency as well as procedural learning. The results found regarding the cerebellum and the executive functions are not conclusive. CONCLUSIONS: We consider it necessary to systematize the table that has already been outlined. This will enable us to answer not only the question of whether the cerebellum plays a role in human cognition but which is its role. Perhaps the basis for understanding the cognitive functions of the cerebellum are not found in the fact that the cerebellum contains functions but that it relates the intention to the action in the emotional as well as the behavioural cognitive plane although the role of 'interface' is found closer to the output processes than processing of functions with a motor component.

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