Mothers-Offspring Resemblance in Intelligence and Its Relationship to Socioeconomic Status

Estudos familiares demonstram que grande parte da variância das habilidades cognitivas é atribuída à variância genotípica. Além disso, correlações de parentesco possuem, geralmente, maiores valores quando as tarefas são altamente carregadas de g, fenômeno conhecido como "efeito Jensen". No entanto, em outra linha de investigação, estudos sugerem que o nível socioeconômico é um fator importante para explicar as diferenças cognitivas. O presente estudo investigou essas premissas em uma amostra de 141 mães (idade media = 36,6; DP = 6,0) e seus filhos (53,2% meninas;idade média = 11,0; DP = 2,1). Administrou-se as Matrizes Progressivas de Raven (em mães e filhos) e seis outras medidas cognitivas (nos filhos). Os resultados sugeriram uma evidência de herdabilidade em g (efeito Jensen). No entanto, os coeficientes de correlações familiares foram menores (0,041 a 0,177) a outros comumemente publicados. Por outro lado, a diferença entre os scores de QI das mães e de seus filhos foi influenciada pelo nível socioeconômico (NSE) e pelo nível de escolaridade da mãe. No geral, advoga-se por uma interação gene x ambiente das diferenças de habilidades cognitivas dependente do contexto socio-econômico.Los estudios familiares han mostrado que gran parte de la varianza de las habilidades cognitivas es dada por la varianza genotípica. Además, las correlaciones de parentesco generalmente tienen mayor valor cuando las tareas demandan alto g, fenómeno conocido como "efecto Jensen". Sin embargo, considerando otra línea de investigación, los estudios sugieren que el nivel socioeconómico es un factor importante para explicar las diferencias cognitivas. El presente estudio investigó estas premisas en una muestra de 141 madres (edad media = 36,6; DT = 6,0) y sus hijos (53,2% niñas; edad media = 11,0; DT = 2,1). Fue administrado las Matrices Progresivas de Raven (en madres y niños) y otras seis medidas cognitivas (en niños). Los resultados sugieren evidencia de herdabilidad en g (efecto Jensen), hallazgo consistente con la literatura. Con todo, los coeficientes de correlación de parentesco fueron inferiores (0.041 a 0.177) en comparación con otras publicaciones. Finalmente, la diferencia entre las puntuaciones de CI de madres y sus hijos fue influenciado por el nivel socioeconómico (SES) y el nivel educativo de la madre.Kinship studies have shown that most cognitive ability variances are attributable to genotypic variance. Additionally, kinship correlations are generally increased when tasks that are highly g loaded are considered, a result known as the "Jensen effect". Alternatively, some studies have suggested socioeconomic status as an important factor for explaining differences in cognition. The present study investigated these premises in a sample of 141 mothers (mean age = 36.6; SD = 6.0) and their offspring (53.2% girls; mean age = 11.0; SD = 2.1). The Standard Progressive Matrices of Raven (mothers and offspring) and six other cognitive measures (offspring only) were administered. The findings suggested evidence of g heritability (Jensen effect), which is consistent with published literature on intelligence. However, kinship correlation coefficients were lower (.041 to .177) when compared to other published findings. Finally, the difference between the mother's IQ score and that of her child was influenced by SES and mother's education level

Reverse sural flap of the fasciosubcutaneous pedicle: a case report

Endometriosis is characterized by the presence of endometrial tissue outside the uterine cavity. The pathophysiology of this condition is poorly understood. However, several hypotheses have been proposed, including the spread of endometrial cells via hematogenous or lymphatic routes. The clinical presentation is variable but includes a palpable nodule, cyclic bleeding, and changes in the color of the skin in the affected region. Diagnosis is established by clinical examination combined with imaging and lesion biopsy. The treatment of choice is surgical, with excision of the lesion and tissue reconstruction. We report the case of a 35-year-old female patient with umbilical endometriosis and the need for removal of the lesion with umbilical reconstruction. The presentation of this condition determines the diagnostic and management approach. Therefore, the exclusion of other benign or malignant disorders is essential

Umbilical endometriosis: a case report and literature review

Endometriosis is characterized by the presence of endometrial tissue outside the uterine cavity. The pathophysiology of this condition is poorly understood. However, several hypotheses have been proposed, including the spread of endometrial cells via hematogenous or lymphatic routes. The clinical presentation is variable but includes a palpable nodule, cyclic bleeding, and changes in the color of the skin in the affected region. Diagnosis is established by clinical examination combined with imaging and lesion biopsy. The treatment of choice is surgical, with excision of the lesion and tissue reconstruction. We report the case of a 35-year-old female patient with umbilical endometriosis and the need for removal of the lesion with umbilical reconstruction. The presentation of this condition determines the diagnostic and management approach. Therefore, the exclusion of other benign or malignant disorders is essential

Atualizações na abordagem terapêutica da hemorragia digestiva alta (HDA): uma revisão integrativa

A hemorragia digestiva alta (HDA) ainda é uma das principais emergências cirúrgicas, com elevada taxa de mortalidade mesmo em países desenvolvidos. As ocorrências por HDA não varicosa estão associadas a mortalidade que varia entre 4% e 10%, enquanto que os casos de origem varicosa apresentam até 30% de mortalidade mesmo com os avanços diagnósticos e terapêuticos na área. O presente estudo de revisão buscou avaliar novos avanços e atualizações na abordagem terapêutica da hemorragia digestiva alta, documentados por meio de estudos clínicos e randomizados. Trata-se de uma pesquisa de revisão integrativa realizada por meio da base de dados PubMed, que levou em consideração os seguintes critérios de inclusão: ensaios clínicos e testes controlados e aleatórios; artigos publicados nos últimos três anos; que possuíam texto completo disponível e que abordassem acerca da terapêutica da hemorragia digestiva alta. Ficou constatado que a endoscopia precoce para HDA aguda em pacientes com SCA recente demonstrou ser um procedimento eficiente e seguro para controle de hemorragia com menor necessidade de transfusão de sangue. Além disso, o sistema over-the-scope (OTSC) reduziu significativamente as taxas de ressangramento, complicações graves e transfusões de hemácias pós-randomização. Outra medida adotada é a estratégia de transfusão restritiva, a qual demonstrou ser uma estratégia tão segura e eficaz quanto a transfusão liberal em tais pacientes. Por fim, o ácido tranexâmico não possui evidências na redução das mortes por sangramento gastrointestinal e ainda foi associado a um risco aumentado de eventos tromboembólicos venosos e convulsões

Mothers-Offspring Resemblance in Intelligence and Its Relationship to Socioeconomic Status

Abstract: Kinship studies have shown that most cognitive ability variances are attributable to genotypic variance. Additionally, kinship correlations are generally increased when tasks that are highly g loaded are considered, a result known as the "Jensen effect". Alternatively, some studies have suggested socioeconomic status as an important factor for explaining differences in cognition. The present study investigated these premises in a sample of 141 mothers (mean age = 36.6; SD = 6.0) and their offspring (53.2% girls; mean age = 11.0; SD = 2.1). The Standard Progressive Matrices of Raven (mothers and offspring) and six other cognitive measures (offspring only) were administered. The findings suggested evidence of g heritability (Jensen effect), which is consistent with published literature on intelligence. However, kinship correlation coefficients were lower (.041 to .177) when compared to other published findings. Finally, the difference between the mother's IQ score and that of her child was influenced by SES and mother's education level

Characterisation of microbial attack on archaeological bone

As part of an EU funded project to investigate the factors influencing bone preservation in the archaeological record, more than 250 bones from 41 archaeological sites in five countries spanning four climatic regions were studied for diagenetic alteration. Sites were selected to cover a range of environmental conditions and archaeological contexts. Microscopic and physical (mercury intrusion porosimetry) analyses of these bones revealed that the majority (68%) had suffered microbial attack. Furthermore, significant differences were found between animal and human bone in both the state of preservation and the type of microbial attack present. These differences in preservation might result from differences in early taphonomy of the bones. © 2003 Elsevier Science Ltd. All rights reserved