Results 81 to 90 of about 902,757 (205)

Sexual replication in the quasispecies model [PDF]

arXiv, 2005
This paper develops a simplified model for sexual replication within the quasispecies formalism. We assume that the genomes of the replicating organisms are two-chromosomed and diploid, and that the fitness is determined by the number of chromosomes that are identical to a given master sequence. We also assume that there is a cost to sexual replication,
arxiv  

Tipo de vida sexual, autoeficacia y actitud sobre las conductas sexuales de riesgo

Journal Health NPEPS, 2019
Objetivo: identificar el tipo de vida sexual, la autoeficacia y actitud que tienen los adolescentes sobre las conductas sexuales de riesgo. Método: se realizó un estudio descriptivo, transversal, con una población de 225 estudiantes matriculados del Cetís 130 de la Cd. de Valle Hermoso, Tamaulipas, durante el periodo escolar de agosto de 2018.
Ashely Stefania Martinez Guerrero, Amado Adolfo Cepeda Rangel, Joselyn Hernández Duque, Octavio Augusto Olivares Ornelas, Gloria Maricela Guerra Rodríguez, Héctor Manuel Gil Vázquez   +5 more
openaire   +4 more sources

Conductas sexuales de riesgo y estigma en pacientes seropositivos mexicanos

Alternativas. Cuadernos de Trabajo Social, 2023
Introducción. Las conductas sexuales de riesgo hacen referencia a un fenómeno social, multifactorial, sociocultural y prevenible que está vinculado con la exposición del sujeto a daños en la salud física, sexual y reproductiva, mediante la actividad sexual sin protección.
openaire   +3 more sources

Diagnostic accuracy of prenatal ultrasound in coarctation of aorta: systematic review and individual participant data meta‐analysis

Ultrasound in Obstetrics &Gynecology, Volume 63, Issue 4, Page 446-456, April 2024.
ABSTRACT Objective To determine the diagnostic accuracy of prenatal ultrasound in detecting coarctation of the aorta (CoA). Methods An individual participant data meta‐analysis was performed to report on the strength of association and diagnostic accuracy of different ultrasound signs in detecting CoA prenatally.
C. Villalaín, F. D'Antonio, M. E. Flacco, E. Gómez‐Montes, I. Herraiz, L. Deiros‐Bronte, S. A. Maskatia, A. A. Phillips, E. Contro, K. Fricke, A. Bhawna, M. J. Beattie, A. J. Moon‐Grady, I. Durand, M. Slodki, M. Respondek‐Liberska, C. Patel, H. Kawamura, G. Rizzo, G. Pagani, A. Galindo   +20 more
wiley   +1 more source

A meta‐analysis of disordered eating and its association with self‐criticism and self‐compassion

International Journal of Eating Disorders, Volume 57, Issue 3, Page 473-536, March 2024.
Abstract Objective Future treatments for eating disorders (ED) need to be enhanced by targeting maintaining mechanisms. Literature suggests self‐criticism and self‐critical perfectionism act as key mechanisms exacerbating ED, and self‐compassion protects against self‐criticism.
Sarah Marie Paranjothy, Tracey D. Wade
wiley   +1 more source

Partition test and sexual motivation in male mice [PDF]

arXiv, 2007
Theoretical analysis of own and literature investigations of sexual motivation with the use of the partition test [Kudryavtseva, 1987, 1994] in male mice was carried out. It has been shown that appearance of a receptive female in the neighboring compartment of common cage separated by perforated transparent partition produces the enhancement of ...
arxiv  

FACTORES FAMILIARES ASOCIADOS A LA CONDUCTA SEXUAL EN ADOLESCENTES

Revista Colombiana de Psicología, 2006
El propósito del estudio fue determinar las diferencias de los factores familiares en adolescentes que han y no han iniciado su actividad sexual. La muestra estuvo conformada por 1942 estudiantes de escuelas técnicas del D.F., 44.7% hombres y 55.3% mujeres. El 19.3% reportó ser sexualmente activo.
Diana Betancourt Ocampo, Jorge Raúl Palacios Delgado, Patricia Andrade Palos   +2 more
openaire   +4 more sources

A neutral model can explain geographic patterns of sexual and asexual individuals [PDF]

arXiv, 2012
Many species reproduce both sexually and asexually producing genetically unique and clonal recruits. The relative contribution of sexual and asexual reproduction is mostly considered a consequence of natural selection, for example, disfavouring sexual propagules during invasions.
arxiv  

A Replication Study: Machine Learning Models Are Capable of Predicting Sexual Orientation From Facial Images [PDF]

arXiv, 2019
Recent research used machine learning methods to predict a person's sexual orientation from their photograph (Wang and Kosinski, 2017). To verify this result, two of these models are replicated, one based on a deep neural network (DNN) and one on facial morphology (FM).
arxiv  

Evaluación de un programa de educación sexual sobre conocimientos y conductas sexuales en embarazadas

Enfermería Global, 2012
Objetivo: Evaluar el nivel de conocimientos de la sexualidad en la gestación previos y posteriores a un programa formativo implementado por un grupo de gestantes en el segundo y tercer trimestre. Material y método: diseño cuasi-experimental pre-post test de un único grupo. Participaron 40 mujeres grávidas de bajo riesgo que se encontraban en su segundo
García González, S., Duarte González, L., Mejías Paneque, C.   +2 more
openaire   +6 more sources