Many studies of monozygotic (MZ) twins have revealed evidence of genetic influences on intellectual functions and their derangement in certain neurologic and psychiatric diseases afflicting the forebrain. Relatively little is known about genetic influences on the size and shape of the human forebrain and its gross morphologic subdivisions. Using MRI and quantitative image analysis techniques, w...

In this study, we hypothesize that the worldwide distribution of cognitive ability is determined in part by variation in the intensity of infectious diseases. From an energetics standpoint, a developing human will have difficulty building a brain and fighting off infectious diseases at the same time, as both are very metabolically costly tasks. Using three measures of average national intellige...

Introduction: Emotional intelligence as an aspect of social intelligence determines the individual’s ability in encountering with psychic pressures and adopting with them. Based on previous studies deficiency of emotional intelligence has a relation with disruptive behaviors in adolescents. The purpose of this research was to find the relationship between behavioral disorders and emotional inte...

The purpose of this study was to determine nursing students' leadership and emotional intelligence. The study was conducted as a descriptive study in a nursing school in 2008. The sample comprised 69 junior and 85 senior nursing students and was based on voluntary participation. Data were collected through a data sheet, a leadership style questionnaire, and the Bar-On Emotional Intelligence Quo...