Sökning: "Male Characteristics"

Visar resultat 1 - 5 av 240 avhandlingar innehållade orden Male Characteristics.

  1. 1. Antisocial behavior in adolescence : the role of individual characteristics

    Författare :Henrik Andershed; Margaret Kerr; Sten Levander; David J. Cooke; Örebro universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; youths; adolescents; antisocial behavior; aggressive behavior; violent behavior; individual characteristics; personality traits; psychopathic traits; psykologi; Psychology; Psykologi; Psykologi; Psychology;

    Sammanfattning : The main aim of this dissertation is to investigate whether traits on the level of the individual are important in understanding violent, frequent antisocial behavior among adolescents. The first of the four studies included in this dissertation asks whether individual-level explanations are going to be a fruitful approach at all. LÄS MER

  3. 2. Masculinities at work. Male-to-male internet escorting in Italy and Sweden

    Författare :Marco Bacio; Genusvetenskapliga institutionen; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Male sex work; Masculinity; Prostitution; Sexual markets; Clients; Italy; Sweden;

    Sammanfattning : This research aims to map and analyse the phenomenon of male sex workers (specifically men who sell sex to other men) in Italy and Sweden. While female sex work has been studied by several scholars worldwide, there is a lack of attention on the male side of the phenomenon. LÄS MER

  4. 3. Genetic Structuring and the Evolution of Lekking Behaviour in the White-bearded Manakin, Manacus manacus

    Författare :Lisa Shorey; David McDonald; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Biology; Lek Evolution; Manacus manacus; White-bearded Manakin; Genetic Relatedness; Mating Success; Male Characteristics; Behaviour; Biologi; Biology; Biologi; populationsbiologi; Population Biology;

    Sammanfattning : Genetic structuring is common in natural populations. It is important to identify and consider population structure when studying evolutionary processes. Recently, the discovery of genetic structuring in some lekking bird species has opened up new perspectives on our understanding of the evolution of lek mating systems. LÄS MER

  5. 4. Gonad development and male gametogenesis

    Författare :Christina Österlund; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :;

    Sammanfattning : Testicular and ovarian organogenesis involve a pathway of developmental genes which are differentially regulated in males and females. In mammals, sex determination is controlled by a dominant gene, SRY, located on the Y chromosome. LÄS MER

  7. 5. Sex steroid secretion during childhood in males - with focus on prematurity, birth size, and growth patterns

    Författare :Kjersti Kvernebo-Sunnergren; Göteborgs universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; androgens; birth weight; body height; body weight; child; estrogens; male; mass spectrometry; premature birth; Silver-Russell syndrome;

    Sammanfattning : Aim: The overall aim of the thesis was to evaluate sex steroid secretion patterns during childhood in boys and to study how sex steroid concentrations relate to gestational age, birth weight, growth patterns, and adult height outcome. Patients and Methods: In paper I, 11 growth hormone-treated boys with Silver–Russell syndrome (SRS) who had reached adult height were included. LÄS MER