Sökning: "psykologi human"

Visar resultat 1 - 5 av 259 avhandlingar innehållade orden psykologi human.

1. 1. Adolescents' role in democratic "parenting"

   Författare :Stefan Persson; Håkan Stattin; Margaret Kerr; Staffan Janson; Örebro universitet; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; family democracy; adolescents; bidirecetional; siblings; family system; parenting; communication; Psychology; Psykologi; Psykologi; Psychology;

   Sammanfattning : In research on family democracy there has been a tradition to focus on parents as leaders setting up the family climate. This dissertation challenged this perspective. Keeping with present day’s emphasis on bidirectionality between parents and children democratic family functioning was seen as jointly created by parents and youths. LÄS MER

3. 2. Human Pheromones : Psychological and Neurological Modulation of a Putative Human Pheromone

   Författare :Johan N. Lundström; Mats J. Olsson; Noam Sobel; Uppsala universitet; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Psychology; Pheromones; Odor; Olfaction; Sensitivity; Psychophysiology; Attention; ERP; Mood; Androstadienone; Estratetraenol; Bimodal distribution; Speed of processing; Psykologi; Psychology; Psykologi;

   Sammanfattning : The notion that humans have specialized chemicals used for communication between conspecifics, so-called pheromones, has attracted much attention and discussion. This thesis demonstrates in four separate studies that a human endogenous steroidal compound that is abundant in male sweat, androstadienone, affects women in several ways that differ to that of common odors. LÄS MER

4. 3. Fear, Startle, and Fear-Potentiated Startle : Probing Emotion in the Human Brain

   Författare :Anna Pissiota; Mats Fredrikson; Scott Rauch; Uppsala universitet; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Psychology; anxiety; attention; brain; fear; fear-potentiated startle; human; neuroimaging; positron emission tomography; posttraumatic stress disorder; regional cerebral blood flow; startle; startle habituation; symptom provocation; Psykologi; Psychology; Psykologi; Psychology; psykologi;

   Sammanfattning : The present thesis explored the neurobiological basis of three aspects of defense behaviors in humans. Positron emission tomography methodology was used, and changes in regional cerebral blood flow (rCBF) were measured as an index of neural activity. LÄS MER

5. 4. Human Rationality : Observing or Inferring Reality

   Författare :Maria P. Henriksson; Mats Fredrikson; Henrik Olsson; Klaus Fiedler; Uppsala universitet; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; supervised learning; unsupervised learning; adaptation; niche picking; prototypes; rules; exemplar memory.; Psychology; Psykologi;

   Sammanfattning : This thesis investigates the boundary of human rationality and how psychological processes interact with underlying regularities in the environment and affect beliefs and achievement. Two common modes in everyday experiential learning, supervised and unsupervised learning were hypothesized to tap different ecological and epistemological approaches to human adaptation; the Brunswikian and the Gibsonian approach. LÄS MER

7. 5. Studies of safety and critical work situations in nuclear power plants : a human factors perspective

   Författare :Lena Kecklund; Erik Hollnagel; Stockholms universitet; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Safety; nuclear power; operators; work-related factors; performance; human error; annual outage; MTO; Psychology; Psykologi; psykologi; Psychology;

   Sammanfattning : The purpose of this thesis was to develop and apply different approaches for analyzing safety in critical work situations in real work settings in nuclear power plants, and also to identify safety enhancing measures by using the framework of interaction between human, organizational and technical subsystems (MTO, man-technology-organization). A Cognitive Psychology as well as a Stress Psychology framework was used. LÄS MER