Sökning: "Håkan Fischer"

Visar resultat 1 - 5 av 6 avhandlingar innehållade orden Håkan Fischer.

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

    Författare :Håkan Fischer; Uppsala universitet; []
    Nyckelord :SOCIAL SCIENCES; SAMHÄLLSVETENSKAP; Psychology; fear; anxiety; panic; conditioning; human; brain; neuroimaging; positron emission tomography; 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

  2. 2. Age differences in arousal, perception of affective pictures, and emotional memory enhancement : Appraisal, Electrodermal activity, and Imaging data

    Författare :Joachim Gavazzeni; Håkan Fischer; Richard J. Davidson; Stockholms universitet; []
    Nyckelord :SOCIAL SCIENCES; SAMHÄLLSVETENSKAP; Aging; Affective function; subjective ratings; SCRs; FMRI; Pictures; Emotional memory enhancement; Bottom-up and Top-down processing; Psychology; Psykologi; psykologi; Psychology;

    Sammanfattning : In contrast to effortful cognitive functions, emotional functioning may remain stable or even be enhanced in older adults. It is unclear how affective functions in aging correspond to subjective experiences and physiological changes. LÄS MER

  3. 3. Processing affective information after sleep loss

    Författare :Andreas Gerhardsson; Håkan Fischer; Johanna Schwarz; Daniel Lundqvist; Philippe Peigneux; Stockholms universitet; []
    Nyckelord :SOCIAL SCIENCES; SAMHÄLLSVETENSKAP; MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICIN OCH HÄLSOVETENSKAP; SAMHÄLLSVETENSKAP; MEDICAL AND HEALTH SCIENCES; SOCIAL SCIENCES; sleep deprivation; sleep restriction; affective bias; emotional working memory; positivity effect; sömnbrist; sömnrestriktion; emotionellt bias; arbetsminne; positivitetseffekten; psykologi; Psychology;

    Sammanfattning : It is not fully understood why we need to sleep, although it is evident that sleep loss has consequences for many emotional and cognitive functions. The last couple of decades, sleep researchers have been increasingly devoted to better understand the relationship between sleep and affect. LÄS MER

  4. 4. Effects of adult aging on socioemotional perception : Evidence from behavior and brain

    Författare :Diana Persson; Håkan Fischer; Petri Laukka; Louise Phillips; Stockholms universitet; []
    Nyckelord :SOCIAL SCIENCES; SAMHÄLLSVETENSKAP; age-related differences; social attributes; emotion recognition; oxytocin; fMRI; Psychology; psykologi;

    Sammanfattning : Social perception plays a key role in our everyday interactions. It encompasses the ability to identify, understand, and react to the social cues that others express. LÄS MER

  5. 5. The effects of valenced odors on facial perception

    Författare :Elmeri Syrjänen; Jonas Olofsson; Håkan Fischer; Thomas Hummel; Stockholms universitet; []
    Nyckelord :SOCIAL SCIENCES; SAMHÄLLSVETENSKAP; Valenced odors; Facial expressions; Disgust; Happiness; Olfaction; Emotion; Reaction Times; Evaluation; Ratings; EEG; ERP; N170; Psychology; psykologi;

    Sammanfattning : We use our senses to navigate in the world. An important property of olfaction, the sense of smell, is to enable us to approach beneficial things, and to avoid what might be toxic or otherwise harmful in our environment. Other peoples’ behaviors are also paramount for our survival. LÄS MER