Search for dissertations about: "cortisol"

Showing result 1 - 5 of 258 swedish dissertations containing the word cortisol.

  1. 1. Defence on Demand : A physiological perspective on phenotypic plasticity in anti-predator traits

    Author : Jerker Vinterstare; Enhet akvatisk ekologi; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Phenotypic plasticity; inducible defences; stress physiology; cortisol; immune function; trade-offs; sexual dimorphism; crucian carp; visual ecology; predator-prey interactions; POMC pro-opiomelanocortin ; colour change; eco-immunology; Anti-predator defences; Inducible morphological defence; Phenotypic plasticity; Stress physiology; Cortisol; Immune function; Crucian carp; Predator-prey interactions; Trade-offs; Sexual dimorphism; POMC; Pro-opiomelanocortin; Visual ecology; Eye evolution; Melanin; Eco-immunology; Pace-of-life; Behavioural plasticity;

    Abstract : Almost all species face some degree of predation risk, and, hence, evolution has produced a plethora of anti-predator defences. However, anti-predator strategies require resources, and the prevailing risk of becoming prey is influenced by many factors and rarely constant across time and space. READ MORE

  2. 2. ADHD and stress : Diurnal cortisol levels, early psychosocial adversity and perceived stress

    Author : Johan Isaksson; Frank Lindblad; Kent W Nilsson; Per Gustafsson; Uppsala universitet; []
    Keywords : MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; ADHD; HPA-axis; cortisol; hypocortisolism; diurnal rhythm; trauma; adversity; medication; perceived stress; gender differences; Child and Youth Psychiatry; Barn- och ungdomspsykiatri;

    Abstract : The Hypothalamus-Pituitary-Adrenal axis (HPA-axis) with its end product cortisol mediates the physiological response to stress thereby promoting mobilization of energy. The cortisol levels follow a diurnal rhythm with a distinct awakening response. READ MORE

  3. 3. Work stress and overtime work - effects on cortisol, sleep, sleepiness and health

    Author : Anna Dahlgren; Torbjörn Åkerstedt; Göran Kecklund; Mikael Sallinen; Stockholms universitet; []
    Keywords : SOCIAL SCIENCES; SAMHÄLLSVETENSKAP; MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; work stress; overtime work; cortisol; sleep; sleepiness; fatigue; individual differences; within-subjects design; field study; Psychology; Psykologi;

    Abstract : In Sweden the National Bureau of Statistics has reported an increase in stress-related disorders and sleep problems since the mid-1990’s. They also report that the number of hours of overtime worked has increased. READ MORE

  4. 4. Irritable Bowel Syndrome : Diagnostic Symptom Criteria and Impact of Rectal Distensions on Cortisol and Electrodermal Activity

    Author : Susanna Walter; Olof Hallböök; Göran Bodemar; Magnus Simrén; Linköpings universitet; []
    Keywords : MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Irritable Bowel Syndrome IBS ; diarrhoea- and constipation-predominant; stress; nervous; cortisol; Gastroenterology; Gastroenterologi;

    Abstract : In a population prevalence questionnaire study we demonstrated that constipation and fecal incontinence are common problems in the general Swedish population with a similar magnitude as in other Western countries. 95.6% of the population had between three bowel movements per day and three per week. READ MORE

  5. 5. Detection and outcome of mild traumatic brain injury in patients and sportsmen : persisting symptoms, disabilities and life satisfaction in relation to S-100B, NSE and cortisol

    Author : Britt-Marie Stålnacke; Peter Sojka; Jörgen Borg; Umeå universitet; []
    Keywords : MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Medicine; traumatic brain injury; brain concussion; biochemical marker; S100 proteins; cortisol; post concussion symptoms; stress disorder posttraumatic; life satisfaction; sport; Medicin; Dermatology and venerology; clinical genetics; internal medicine; Dermatologi och venerologi; klinisk genetik; invärtesmedicin; rehabiliteringsmedicin; Rehabilitation Medicine;

    Abstract : Traumatic brain injuries are common (hospitalization incidence: 250-300 per 100.000 inhabitants/year) and a great majority of these injuries (80-85%) are classified as mild traumatic brain injury (MTBI/concussion). Many patients with MTBI (20-80%) suffer from subsequent persistent and often disabling symptoms. READ MORE