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Visar resultat 1 - 5 av 944 avhandlingar som matchar ovanstående sökkriterier.
1. Fear, Startle, and Fear-Potentiated Startle : Probing Emotion in the Human Brain
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
2. Human brains and virtual realities : Computer-generated presence in theory and practice
Sammanfattning : A combined view of the human brain and computer-generated virtual realities is motivated by recent developments in cognitive neuroscience and human-computer interaction (HCI). The emergence of new theories of human brain function, together with an increasing use of realistic human-computer interaction, give reason to believe that a better understanding of the relationship between human brains and virtual realities is both possible and valuable. LÄS MER
3. Mass Spectrometry-based Neuroproteomics : Deciphering the Human Brain Proteome
Sammanfattning : Mammalian brain is challenging to study due to its heterogeneity and complexity. However, recent advances in molecular imaging, genomics and proteomics have contributed significantly to achieve insights into molecular basis of brain function and pathogenesis of neurological disorders. LÄS MER
4. Imaging fear and anxiety in the human brain : Positron emission tomographic studies
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
5. Analysis of Human Brain MRI : Contributions to Regional Volume Studies
Sammanfattning : Many disorders are associated with regional brain volumes. The analysis of these volumes from MR images often requires sequential processing steps such as localization and delineation. LÄS MER