Sökning: "Hjärnan"
Visar resultat 1 - 5 av 341 avhandlingar innehållade ordet Hjärnan.
1. Telomeres and the brain : an investigation into the relationships of leukocyte telomere length with functional and structural attributes of the brain
Sammanfattning : Telomeres are the outermost parts of linear chromosomes. They consist of tandemly repeated non-coding short nucleotide sequences (TTAGGG in all vertebrates), in humans spanning over the last 2 to 15 kilobase pairs of the chromosome. Due to the end-replication problem, telomeres shorten with each cellular division. LÄS MER
2. Train your brain : updating, transfer, and neural changes
Sammanfattning : An initial aim of this thesis was to determine whether training of a specific executive function (updating) produces improvements in performance on trained and transfer tasks, and whether the effects are maintained over time. Neural systems underlying training and transfer effects were also investigated and one question considered is whether transfer depends on general or specific neural overlap between training and transfer tasks. LÄS MER
3. Restructuring the socially anxious brain : Using magnetic resonance imaging to advance our understanding of effective cognitive behaviour therapy for social anxiety disorder
Sammanfattning : Social anxiety disorder (SAD) is a common psychiatric disorder associated with considerable suffering. Cognitive behaviour therapy (CBT) has been shown to be effective but a significant proportion does not respond or relapses, stressing the need of augmenting treatment. LÄS MER
4. Temporal dynamics of brain plasticity : characterizing brain structural changes during skill acquisition
Sammanfattning : Traditionally, structural plasticity in the human brain has been considered to follow a linear or asymptotic increase over the course of training. However, recent studies using structural MRI revealed transient increases in grey matter volume (GMV) with learning. LÄS MER
5. Cognitive function, quality of life and functional brain networks : before and after glioma surgery
Sammanfattning : The aim of this thesis was to investigate how cognitive function and quality of life are affected by glioma surgery in the supplementary motor area (SMA) and the lower primary motor cortex (M1), as well as to explore possible changes in functional network connectivity after surgery in the SMA.Sixteen patients subject to resective neurosurgical procedures due to gliomas in either the SMA or the M1 were studied. LÄS MER