Sökning: "female aggression"
Visar resultat 1 - 5 av 30 avhandlingar innehållade orden female aggression.
1. Self-rated aggression. Psychobiological aspects and gender issues in medical-psychiatric practice
Sammanfattning : Background. The complexities of human aggression are of vital research interest in numerous scientific disciplines. In medical research, aggression is generally studied by means of self- or observer-rated inventories, clinical observations, or neurobiological research. Objectives. LÄS MER
2. Female reproductive strategies and sexual conflicts in a polygynous mating system
Sammanfattning : In this thesis, I have investigated conflicts of interest in the facultatively polygynous European starling (Sturnus vulgaris) with a focus on female reproductive strategies. The extent to which males provided parental care was a key issue in understanding the mating system of the starling. LÄS MER
3. Neuromolecular and behavioural profile of teleosts : - effects of boldness, agonistic behaviour and reproductive status
Sammanfattning : This thesis investigates if boldness is reflected in the function of brain histaminergic system in zebrafish (Danio rerio). Moreover, behavioural differences in AB line, spiegeldanio (spd) line and wild caught strain of zebrafish have also been explored apart from the winner-loser effect in AB and spd fish. LÄS MER
4. On innate behaviors : focus on parental behavior and aggression
Sammanfattning : The neural substrates orchestrating a number of social behaviors, including parental behavior and aggression, are known to exist in the hypothalamus. Through the control of the pituitary gland, the hypothalamus regulates the release of a number of hormones necessary for the physiological control of bodily functions and the expression of appropriate behaviors. LÄS MER
5. Sexual selection in Pomatoschistus – nests, sperm competition, and paternal care
Sammanfattning : Sexual selection arises through variation in reproductive success. This thesis investigates different aspects important in sexual selection, namely nest building, sperm competition, paternity and paternal care, and their mutual interrelationships. LÄS MER