Sökning: "Johan Jonasson"
Hittade 4 avhandlingar innehållade orden Johan Jonasson.
1. Aerobic fitness and healthy brain aging : cognition, brain structure, and dopamine
Sammanfattning : Background: Performing aerobic exercise and maintaining high levels of aerobic fitness may have positive effects on both brain structure and function in older adults. Despite decades of research however, there is still a rather poor understanding of the neurocognitive mechanisms explaining the positive effects of aerobic exercise on cognition. LÄS MER
2. Pro- and anti-inflammatory actions in coronary artery disease : with focus on CD56+ T cells and Annexin A1
Sammanfattning : ¨The atherosclerotic process is considered to be driven by an imbalance between proand anti-inflammatory actions. Still, the inflammatory state in patients with coronary artery disease (CAD) remains to be clarified. LÄS MER
3. Processes on Integer Partitions and Their Limit Shapes
Sammanfattning : This thesis deals with processes on integer partitions and their limit shapes, with focus on deterministic and stochastic variants on one such process called Bulgarian solitaire. The main scientific contributions are the following. LÄS MER
4. Karaktäristiken hos strukturmarken på olika altitud i Abiskoområdet – en koppling till klimat och komplex systemteori
Sammanfattning : Subarctic and alpine areas are sensitive to climatic change when they lie at the margin of permafrost occurrence. Patterned ground in such areas is generated from an interplay among different mechanisms such as temperature, hydrology, soil texture, snow cower and vegetation. LÄS MER