Perspectiva de morte: relação entre suporte social e solidão em idosos

RESUMO: Esta investigação teve como objectivo analisar a relação entre Perspectivas face a morte com o Suporte Social e a Solidão em Idosos. Para esta investigação foi recolhida uma amostra de 117 sujeitos, sendo 34 do género masculino e 83 sujeitos do género feminino com idades compreendidas entre os 65 e os 92 anos (M═76,36; DP═7,150). O protocolo de avaliação foi constituído pela versão portuguesa das Escalas Breves de Perspectivas de Morte (Barros, 2004), Escala de Satisfação de Suporte Social (Ribeiro, 1999) e a Escala de Solidão da UCLA (Neto, 1989). Os resultados revelaram uma correlação negativa entre perspectivas de morte como fim natural e o suporte social (r= .02; p< .05), verificou-se também uma correlação negativa entre perspectiva de morte como fim natural e a solidão (r= -.14; p< .05), e uma correlação positiva entre o suporte social e a solidão (r=.37 ; p< .05; r=.43; p< .05), o que confirmou duas das hipóteses estudadas. Estes resultados foram discutidos em função da literatura e suas implicações no âmbito da terceira idade. ABSTRACT: This study was performed to analyze the relationship between Death Perspectives, Social Support and Loneliness in late life. The sample was composed of 117 adults (34 males and 83 females), ranging in age from 65 and 92 years with a mean of 76,36 years (SD=7,150). Three scales were used for data collection: the Portuguese version of Death Perspectives Scales (Barros, 2004) and The UCLA Loneliness Scale (Neto, 1989), and also Social Support Satisfaction Scale (Ribeiro, 1999). The data revealed a negative correlation between Death Perspectives – death as a natural end and Social Support (r= .02; p< .05), a negative correlation between Death Perspectives – death as a natural end and Loneliness (r= -.14; p< .05) and a positive correlation between Social Support and Loneliness (r=.37; p< .05; r=.43; p<.05),. These results confirmed 2 hypotheses previously made. Considering other studies, these results and their implications were discussed.

Incentive-based demand response programs designed by asset-light retailers for day-ahead market

Following the deregulation experience of retail electricity markets in most countries, the majority of the new entrants of the liberalized retail market were pure REP (retail electricity providers). These entities were subject to financial risks because of the unexpected price variations, price spikes, volatile loads and the potential for market power exertion by GENCO (generation companies). A REP can manage the market risks by employing the DR (demand response) programs and using its' generation and storage assets at the distribution network to serve the customers. The proposed model suggests how a REP with light physical assets, such as DG (distributed generation) units and ESS (energy storage systems), can survive in a competitive retail market. The paper discusses the effective risk management strategies for the REPs to deal with the uncertainties of the DAM (day-ahead market) and how to hedge the financial losses in the market. A two-stage stochastic programming problem is formulated. It aims to establish the financial incentive-based DR programs and the optimal dispatch of the DG units and ESSs. The uncertainty of the forecasted day-ahead load demand and electricity price is also taken into account with a scenario-based approach. The principal advantage of this model for REPs is reducing the risk of financial losses in DAMs, and the main benefit for the whole system is market power mitigation by virtually increasing the price elasticity of demand and reducing the peak demand.

Ideação suicida nos estudantes universitários

Dissertação de Mestrado apresentada ao ISPA - Instituto Universitário

Development and Demonstration of a Freezing Drizzle Algorithm for Roadway Environmental Sensing Systems, Final Report, October 2012

The primary goal of this project is to demonstrate the accuracy and utility of a freezing drizzle algorithm that can be implemented on roadway environmental sensing systems (ESSs). The types of problems related to the occurrence of freezing precipitation range from simple traffic delays to major accidents that involve fatalities. Freezing drizzle can also lead to economic impacts in communities with lost work hours, vehicular damage, and downed power lines. There are means for transportation agencies to perform preventive and reactive treatments to roadways, but freezing drizzle can be difficult to forecast accurately or even detect as weather radar and surface observation networks poorly observe these conditions. The detection of freezing precipitation is problematic and requires special instrumentation and analysis. The Federal Aviation Administration (FAA) development of aircraft anti-icing and deicing technologies has led to the development of a freezing drizzle algorithm that utilizes air temperature data and a specialized sensor capable of detecting ice accretion. However, at present, roadway ESSs are not capable of reporting freezing drizzle. This study investigates the use of the methods developed for the FAA and the National Weather Service (NWS) within a roadway environment to detect the occurrence of freezing drizzle using a combination of icing detection equipment and available ESS sensors. The work performed in this study incorporated the algorithm developed initially and further modified for work with the FAA for aircraft icing. The freezing drizzle algorithm developed for the FAA was applied using data from standard roadway ESSs. The work performed in this study lays the foundation for addressing the central question of interest to winter maintenance professionals as to whether it is possible to use roadside freezing precipitation detection (e.g., icing detection) sensors to determine the occurrence of pavement icing during freezing precipitation events and the rates at which this occurs.

Polyethylene wear in anatomic and reversed shoulder prostheses

Purpose: Polyethylene wear is a recurrent problem in joint arthroplasty. Small debris particles are also associated to inflammation reaction of the surrounding bone, eventually leading to the failure of the bound between the implant and the host bone, and implant loosening. The goal of this study was thus to estimate the volume of polyethylene wear of a reversed prosthesis, and compare it to an anatomic prosthesis, during one year of activities of daily living. Material and Methods: A numerical musculoskeletal model of the glenohumeral joint was used for this comparative study. The reversed (RP) and anatomic (AP) Aequalis prostheses were positioned in the numerical model. Eight levels of abduction were considered. Their daily frequency was estimated from in-vivo recorded data on healthy volunteers during activities of daily living. One year of use was simulated to predict the linear and volumetric wear. The volumetric wear was the difference of volume between the original and worn component. Results: With the AP, the contact pattern on the glenoid surface moved rapidly from the inferior to the superior side during the first 30 degrees of abduction, and then went back to the inferior side. With the RP, the contact pattern on the humeral cup surface remained at the inferior side. Contact pressure was 20 times lower with the RP than with the AP. One year of use produced a maximum linear wear of 0.2 mm with the AP, and 0.13 mm with the RP. However, the volumetric wear was 8.4 mm3 with the AP, but reached 44.6 mm3 with the RP. Conclusion: Polyethylene particles are a matter of concern with AP. Infiltration of these particles within the bone-implant interface can induce a implant loosening. This problem should not be underestimated with RP. It might be associated to a higher level of humeral stem loosening reported with RP. The long term survival of RP might be improved by using a highly cross-linked polyethylene, which has a better abrasion resistance but lower plastic resistance.

Alternative splicing and genetic diversity: silencers are more frequently modified by SNVs associated with alternative exon/intron borders

With the availability of a large amount of genomic data it is expected that the influence of single nucleotide variations (SNVs) in many biological phenomena will be elucidated. Here, we approached the problem of how SNVs affect alternative splicing. First, we observed that SNVs and exonic splicing regulators (ESRs) independently show a biased distribution in alternative exons. More importantly, SNVs map more frequently in ESRs located in alternative exons than in ESRs located in constitutive exons. By looking at SNVs associated with alternative exon/intron borders (by their common presence in the same cDNA molecule), we observed that a specific type of ESR, the exonic splicing silencers (ESSs), are more frequently modified by SNVs. Our results establish a clear association between genetic diversity and alternative splicing involving ESSs.

Adaptação Transcultural Brasil-Portugal da Escala de Satisfação com o Suporte Social para Estudantes do Ensino Superior

Realizou-se adaptação transcultural da Escala de Satisfação com o Suporte Social (ESSS) para a língua portuguesa. As qualidades psicométricas foram avaliadas numa amostra de 1.023 estudantes do ensino superior do Brasil e de Portugal. A partir dos resultados obtidos propõe-se uma versão modificada da ESSS com 12 itens que avaliam 4 dimensões. A versão modificada revelou adequada confiabilidade, validade fatorial, validade concorrente, divergente e discriminante com exceção dessa última para Satisfação com as Amizades e a Intimidade. A validade convergente esteve no limite do aceitável. Observou-se invariância dos pesos fatoriais entre Brasil e Portugal, permitindo sua utilização para a avaliação da Satisfação com o Suporte Social em estudantes do ensino superior de ambos os países.

Predictors of Burnout Syndrome in Dentistry Students

Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

Sequence features responsible for intron retention in human

Abstract Background One of the least common types of alternative splicing is the complete retention of an intron in a mature transcript. Intron retention (IR) is believed to be the result of intron, rather than exon, definition associated with failure of the recognition of weak splice sites flanking short introns. Although studies on individual retained introns have been published, few systematic surveys of large amounts of data have been conducted on the mechanisms that lead to IR. Results TTo understand how sequence features are associated with or control IR, and to produce a generalized model that could reveal previously unknown signals that regulate this type of alternative splicing, we partitioned intron retention events observed in human cDNAs into two groups based on the relative abundance of both isoforms and compared relevant features. We found that a higher frequency of IR in human is associated with individual introns that have weaker splice sites, genes with shorter intron lengths, higher expression levels and lower density of both a set of exon splicing silencers (ESSs) and the intronic splicing enhancer GGG. Both groups of retained introns presented events conserved in mouse, in which the retained introns were also short and presented weaker splice sites. Conclusion Although our results confirmed that weaker splice sites are associated with IR, they showed that this feature alone cannot explain a non-negligible fraction of events. Our analysis suggests that cis-regulatory elements are likely to play a crucial role in regulating IR and also reveals previously unknown features that seem to influence its occurrence. These results highlight the importance of considering the interplay among these features in the regulation of the relative frequency of IR.

A primeira dança : o papel da intersubjectividade na interacção mãe-bebé

Tese de doutoramento, Psicologia (Psicologia Clínica), Universidade de Lisboa, Faculdade de Psicologia, 2016

Ajustamento Mental ao Cancro do Pulmão: o papel da autocompaixão e do suporte social

A presente investigação pretendeu ver cumpridos três dos principais objetivos: 1) Estudar as variáveis sociodemográficas e clínicas que caracterizam os doentes com cancro do pulmão; 2) Explorar a relação entre o ajustamento mental ao cancro do pulmão, a autocompaixão, o suporte social e os estados emocionais negativos dos doentes; 3) Examinar o impacto da autocompaixão e do suporte social em relação ao ajustamento mental e aos estados emocionais negativos em doentes com cancro do pulmão. A amostra é constituída por 55 indivíduos (38 homens e 17 mulheres) diagnosticados com cancro do pulmão e com idades compreendidas entre os 44 e os 87 anos, acompanhados medicamente no Hospital de Dia de Oncologia do Centro Hospitalar e Universitário de Coimbra. Como instrumentos de medida para avaliar o ajustamento mental ao cancro, a autocompaixão, o suporte social e os estados emocionais negativos dos participantes foram utilizadas a Escala de Ajustamento Mental ao Cancro (MiniMac), a Escala de Autocompaixão (Selfcs), a Escala de Satisfação com o Suporte Social (Esss) e a Escala de Sintomatologia Psicopatológica (Eads-21). Os resultados obtidos revelaram uma associação significativa entre algumas variáveis clínicas, nomeadamente ser fumador, perceção da gravidade da doença, existência de antecedentes familiares com doença oncológica, e as variáveis em estudo (ajustamento mental, autocompaixão, suporte social e psicopatologia). Foram ainda encontradas correlações significativas entre o ajustamento mental e as estratégias de regulação emocional (autocompaixão), suporte social e psicopatologia. Por último, as análises de regressão linear múltipla mostraram que o modelo preditor da sintomatologia depressiva e do ajustamento mental (avaliado pela dimensão de desânimo) inclui o mindfulness como um preditor significativo. Já em relação ao modelo preditor do stress, o grau de satisfação com o suporte dos amigos revelou ser um contributo importante. Estes resultados têm implicações práticas, sugerindo que estes doentes podem no seu programa terapêutico beneficiar do desenvolvimento deste tipo de estratégias (novas formas de se relacionarem com as suas experiências emocionais e qualidade das suas redes sociais) no sentido de promover um melhor ajustamento mental à sua condição. / The current investigation intended to study three main objetives: 1) to study the sociodemographical and clinical variables which characterize those who suffer from lung cancer; 2) to explore the relation between the mental adjustment to lung cancer, selfcompassion, social support and the negative mental conditions of the sick person; 3) to analyse the impact of self-compassion and the social support in relation to the mental adjustment and to the negative mental conditions of a sick person with lung cancer. The sample is made of 55 individuals (38 males and 17 females) diagnosed with lung cancer, aged between 44 and 87 years old, using medicines at the Hospital de Dia de Oncologia do Centro Hospitalar e Universitário de Coimbra. The Mini Mental Adjustment to Cancer Scale (MiniMac), the Self-Compassion Scale (Selfcs), the Escala de Satisfação com o Suporte Social (Esss) and the Depression Anxiety Stress Scales (Eads-21) scales were used as measuring instruments of evaluation of the mental adjustment to lung cancer, selfcompassion, social support and the negative mental conditions of the sick person. The results revealed a significant association between some clinical variables (being a smoker, awareness of the gravity of sickness, precedent relatives who suffered from cancer) and the variables in study (mental adjustment, self-compassion, social support and psychopathology). There were also found significant correlations between mental adjustment and the strategies used for emotional adjustment (self-compassion), the social support and the psychopathology. At last the multiple linear regretting analysis has shown that the predictor model of depressive symptomatology and the mental adjustment (analysed by the discouragement dimension) includes mindfulness as a significant predictor. However in what concerns to the stress model predictor, the satisfaction level with friends support revealed itself has being of high importance. These results have practical consequences, suggesting that sick people can benefit in their therapeutic program of these kind of strategies (new ways of leading with their emotional experiences and the quality of their social relationships) so they can promote a better mental adjustment to their health condition.

Impacto do ativismo (online e/ ou offline) na satisfação com o suporte social e nas habilidades sociais - Estudo Piloto.

O ativismo pode ser percecionado como um conjunto de comportamentos baseados em motivações e valores aliados na solidariedade e cooperação, que visam efetivar mudanças na respetiva sociedade em que o ativista se insere. As tecnologias da informação e comunicação (TIC) vieram permitir que este ativismo migrasse para o espaço digital surgindo assim o ativismo online, ativismo digital ou ciberativismo. Relativamente à relação do ativismo com o suporte social e habilidades sociais, existe uma escassez de pesquisas (nacionais e internacionais) que explorem a relação direta entre os constructos. A partir dos dados recolhidos numa amostra portuguesa, o presente estudo pretende caracterizar e descrever o ativista social (online e/ ou offline), relacionar o ativismo social com o suporte social e as habilidades sociais, de modo a averiguar se o apoio em causas sociais tem impacto na satisfação que o indivíduo retira das relações que estabelece no dia-adia, bem como a existência ou não de um maior grau de habilidades sociais. Metodologia: A amostra deste estudo envolveu 210 participantes, dos quais 154 elementos são do sexo feminino (73,3%) e 56 elementos do sexo masculino (26,7%), com idades compreendidas entre os 15 e os 73 anos, sendo a média de idades de 31,19 anos (DP = 11,62). O protocolo foi composto por um breve questionário sociodemográfico, questionário sobre ativismo social, Escala de Satisfação com o Suporte Social (ESSS) e o Inventário de Habilidades Sociais (IHS). Os dados obtidos revelam que os sujeitos que apoiam causas sociais offline apresentam uma menor satisfação relativamente às amizades/ amigos. O grupo de participantes que apoia causas offline (n = 134) apresenta maior habilidade no fator da autoexposição a desconhecidos ou a situações novas. Os que apoiam causas online (n = 96), além de melhor habilidade no fator autoexposição, também apresentam melhor habilidades de conversação e desenvoltura social.

ALCOHOL AS A SOCIAL MEDIATOR AMONG UNIVERSITY STUDENTS

Objective: To identify the prevalence of alcohol consumption in Psychology students of a higher education institution in the city of Montes Claros, MG. Methods: Quantitative crosssectional descriptive research conducted from September to October 2014. The population consisted of 116 Psychology students from the city of Montes Claros, MG. Data were collected using the Alcohol Use Disorders Identification Test (AUDIT), the Inventário de Expectativas e Crenças Pessoais Acerca do Álcool – IECPA (Inventory of Expectations and Personal Beliefs about Alcohol), the Alcohol, Smoking and Substance Involvement Screening Test (ASSIST) and the Escala de Satisfação com o Suporte Social – ESSS (Social Support Satisfaction Scale). Descriptive analysis of data was performed using SPSS 19.0. Results: The sample had a predominance of female gender (82.75%, n=96), pardos (65.51%, n=76) and single (60.34%, n=70) individuals. Regarding the AUDIT risk classification, it was found that 49.13% (n=57) of the respondents were in the level 4, considered alcohol dependence. They reported occasional use of alcohol, smoking and other substances, which refer to ASSIST level 1 classification, with 94.82% (n=110). Regarding the IECPA, 87.06% (n=101) of the individuals were classified as level 1, with low vulnerability to the effects of alcohol. As to the ESSS, 68.10% (n=79) of the students showed high social support. Conclusion: Regarding the sample studied, it was found a high prevalence of dependence on alcohol and other legal and illegal drugs.

Estado emocional e satisfação com o suporte social após uma interrupção voluntária da gravidez

Dissertação de Mestrado apresentada no Instituto Superior de Psicologia Aplicada para obtenção de grau de Mestre na especialidade de Psicologia Clínica