Sökning: "Ulf Melin"

Visar resultat 21 - 25 av 27 avhandlingar innehållade orden Ulf Melin.

  1. 21. Heart Rate Variability in Stress-related Fatigue, Adolescent Anxiety and Depression and its Connection to Lifestyle

    Författare :Erik Olsson; Lennart Melin; Ulf Lundberg; Uppsala universitet; []
    Nyckelord :heart rate variability; autonomic nervous system; vagal tone; allostatic load; stress; fatigue; anxiety; depression; continuous performance; attention; cardiovascular risk; lifestyle; physical activity;

    Sammanfattning : Heart rate varies constantly as a consequence of activity in the sympathetic and parasympathetic autonomic nervous systems (SNS and PNS). In short-term recordings, heart rate variability (HRV) is mostly related to the inhibitory activity of the vagal nerves, which are part of the PNS. LÄS MER

  2. 22. Repetitive and monotonous work among women : Psychophysiological and subjective stress reactions, muscle activity and neck and shoulder pain

    Författare :Dag Rissén; Bo Melin; Ulf Lundberg; Anders Kjellberg; Stockholms universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Repetitive and monotonous work; women; psychophysiological stress reactions; subjective stress reactions; muscle activity; trapezius muscle; neck and shoulder pain; job rotation; Psychology; Psykologi;

    Sammanfattning : Repetitive and monotonous work is frequently associated with neck and shoulder pain and negative psychosocial factors inducing stress reactions. The present thesis concerns the relations between psychophysiological and subjective stress reactions, muscle activity measured by surface electromyography (SEMG) in the trapezius muscle, and neck and shoulder pain in women performing repetitive and monotonous work. LÄS MER

  3. 23. Introducing public sector eIDs : The power of actors’ translations and institutional barriers

    Författare :Fredrik Söderström; Ulf Melin; Karin Axelsson; Agneta Ranerup; Linköpings universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; eID; electronic identification; introduction; eGovernment; Actor-Network Theory; institutional pressures; institutional barriers; eID; elektronisk identifiering; införanden; eFörvaltning; aktörsnätverksteori; institutionella tryck; institutionella hinder;

    Sammanfattning : The electronic identification (eID) is a digital representation of our analogue identity used for authentication in order to gain access to personalized restricted online content. Despite its limited and clearly defined scope, the eID has a unique role to play in information society as an enabler of public digital services for citizens as well as businesses and a prerequisite for the development of electronic government (eGovernment). LÄS MER

  4. 24. SOCIOTECHNICAL IMAGINARIES OF THE AUTOMATED MUNICIPALITY

    Författare :Daniel Toll; Ida Lindgren; Ulf Melin; Lupita Svensson; Linköpings universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES;

    Sammanfattning : In the last few years, Swedish municipalities have striven to adopt automation to increase their internal efficiency by automating administrative processes. This E-Government initiative is taking place as part of the ongoing digitalization efforts by Swedish municipalities. LÄS MER

  5. 25. Designing, Theorizing, and Reflecting on Information Systems Artifacts and Value Co-Creation in e-Government

    Författare :Elin Uppström; Gustaf Juell-Skielse; Christer Magnusson; Ulf Melin; Stockholms universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Value Co-creation; Design Science; e-Government; Boundary Object; Critical Realism; Computer and Systems Sciences; data- och systemvetenskap;

    Sammanfattning : E-government services in the form of information systems (IS) artifacts create a new arena for co-creation that governments aim to leverage. Design of and knowledge about IS artifacts in value co-creation in e-government can thereby be considered valuable for the future development of e-government. LÄS MER