Sökning: "HPA axis"

Visar resultat 6 - 10 av 76 avhandlingar innehållade orden HPA axis.

1. 6. BDNF, impulsiveness and avoidant focused coping in suicide attempters

   Författare :LIVIA AMBRUS; Lund Psykiatri; []
   Nyckelord :BDNF; Aviodant coping; Suicide Attempters; HPA axis; Impulsvieness; BDNF; Avoidant focused coping; HPA axis; attempted suicide; impulsiveness;

   Sammanfattning : Brain-derived neurotrophic factor (BDNF) is an important protein for neuroplasticity and neurogenesis. In this thesis the role of BDNF, in suicidal behaviour was investigated with focus on possible risk factors for suicidal behaviour such as avoidant focused coping, dysfuntional personality traits like impulsiveness and hyperactivity of the Hypothalamic-Pituitary-Adrenal (HPA) axis. LÄS MER

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

   Författare :Johan Isaksson; Frank Lindblad; Kent W Nilsson; Per Gustafsson; Uppsala universitet; []
   Nyckelord :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;

   Sammanfattning : 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. LÄS MER

4. 8. The emotional motor system and gastrointestinal symptoms

   Författare :Pontus Karling; Lars Agréus; Umeå universitet; []
   Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Anxiety; ANS; autonomic nervous system; cortisol; DST; emotional motor system; functional; gastrointestinal symptoms; GSRS-IBS; gut; HADS; heart rate variability; HPA axis; IBS; irritable bowel syndrome; stress; unipolar depression; val158met COMT polymorphism; Gastroenterology; Gastroenterologi;

   Sammanfattning : There is a significant comorbidity between anxiety/depression and functional gastrointestinal syndromes, such as irritable bowel syndrome (IBS) and functional dyspepsia. The pathophysiological link between emotions and the gut is not known. LÄS MER

5. 9. Psycho-physiological reactions to violent video gaming : Experimental studies of heart rate variability, cortisol, sleep and emotional reactions in teenage boys

   Författare :Malena Ivarsson; Lennart Högman; Frank Lindblad; Staffan Janson; Stockholms universitet; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; video gaming; media violence; autonomic nervous system; heart rate variability; HPA axis; cortisol; sleep quality; emotional reactions; desensitization; teenagers; Psychology; psykologi;

   Sammanfattning : Playing violent video games may provoke aggression. Psycho-physiological methods may provide knowledge about the underlying psychological processes. Most previous studies have been performed in laboratory settings at daytime with adults. LÄS MER

7. 10. Studies of hyperandrogenicity and the metabolic syndrome in premenopausal women

   Författare :Fariba Baghaei; Göteborgs universitet; []
   Nyckelord :androgens; SHBG; HPA axis; abdominal obesity; insulin; HDL; metabolic syndrome; ovarian volume; PCOS; polymorphism; genetics; androgen receptor; estrogen receptor; aromatase;

   Sammanfattning : An androgenic sex hormone profile appears to be a typical feature of the metabolic syndrome (MetS) and a powerful risk factor for the development of type 2 diabetes in women. The causes of relative hyperandrogenicity (HA) are not clearly defined. LÄS MER