Los celos se caracterizan por el miedo que surge de una persona ante la posibilidad de perder a su pareja ya sea por una amenaza real o imaginaria. Si esta percibe que los rasgos de otro individuo son superiores, existe ...

Objetivo: Probar la influencia de la masculinidad facial de hombres, sobre el nivel de celos románticos (evaluados por la Escala Interpersonal de Celos y el Cuestionario Ad hoc de contacto con la expareja) y la orientación ...

Bird displays vary widely in their sensitivity to changes in signaler condition. Plumage ornaments are generally static and undergo minimal change. Behavioral ornaments, by contrast, are dynamic and may track signaler ...

Males of several animals have intromittent organs and may use these in a communicative context during sexual or intrasexual interactions. In some lizards, hemipenes eversion behavior have been observed, and the aim of this ...

Objective: There is evidence that competitive conflicts are the main form of intrasexual competition among men. The capacity to recognize visual cues of fighting ability in competitors is thought to be an important ...