Sökning: "Regional cerebral blood flow"

Visar resultat 41 - 45 av 60 avhandlingar innehållade orden Regional cerebral blood flow.

  1. 41. Imaging fear and anxiety in the human brain : Positron emission tomographic studies

    Författare :Håkan Fischer; Uppsala universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Psychology; fear; anxiety; panic; conditioning; human; brain; neuroimaging; positron emissiontomography; PET; Psykologi; Psychology; Psykologi; Psychology; psykologi;

    Sammanfattning : Fear and anxiety are central human experiences. However, the relation between aspects of these aversive emotional states and brain function have previously been studied mostly in animals. LÄS MER

  3. 42. On characterisation and diagnosis of frontotemporal lobar degeneration syndromes : with special reference to the progressive aphasias

    Författare :N Christian Andersen; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :;

    Sammanfattning : Alzheimer's disease (AD) is the most common dementing brain disease, with episodic memory impairment as a characteristic early feature. However, not all primary degenerative brain syndromes include prominent deficits in day-to-day memorizing. LÄS MER

  4. 43. Social Phobia. From Epidemiology to Brain Function

    Författare :Tomas Furmark; Uppsala universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Psychology; Anxiety; brain; epidemiology; fear; neuroimaging; neurotransmitters; positron emission tomography; prevalence; serotonin; social phobia; subtypes; treatment; Psykologi; Psychology; Psykologi; Psychology; psykologi;

    Sammanfattning : Social phobia is a disabling anxiety disorder characterized by an excessive fear of negative evaluation in social situations. The present thesis explored the epidemiology and neurobiology of the disorder. By means of a mailed questionnaire, the point prevalence of social phobia in the Swedish general population was estimated at 15.6%. LÄS MER

  5. 44. Tick-borne encephalitis : on pathogenesis and prognosis

    Författare :Göran Günther; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :Human; tick-borne encephalitis; viral; meningo-encephalitis; cerebrospinal fluid; PCR; cytokines; immunoglobulin; SPECT; technetium-99m-HMPAO;

    Sammanfattning : The general aim of the five studies presented in this thesis was to investigate the clinical outcome and prognosis and factors of importance for the pathogenesis of TBE compared to other aseptic meningo-encephalitis. In a prospective study 149 patients presenting with clinical symptoms of acute viral meningo-encephalitis between June 1991 and December 1993 were included. LÄS MER

  7. 45. Post-traumatic stress disorder : neurobiology and effects of eye movement desensitization and reprocessing

    Författare :Göran Högberg; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :;

    Sammanfattning : The aim of this study was to evaluate a new psychotherapy method, eye movement desensitization and reprocessing (EMDR) in the treatment of post-traumatic stress disorder (PTSD) and to study the biological reactions in PTSD during a script-driven symptom provocation. PTSD is a disorder that may occur after a major psychological trauma. LÄS MER