Publications by authors named "Omar Hjaltason"

Demand for Vocational Rehabilitation in Iceland has been steadily rising in recent years where the presence of young patients has increased proportionally the most. It is essential that public spending is efficient without compromising the treatment quality. It is worth exploring if a solution for increasing the efficiency in this healthcare section is to use Artificial Intelligence (AI).

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Background: Information regarding the determinants of successful vocational rehabilitation (VR) is scarce.

Objective: Investigate whether sex, duration, quality of life and financial circumstances influence the success of VR.

Methods: The study group consisted of 519 participants (293 women, 56%), who finished VR in the period 2000-2014.

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Changes in the Hamilton Depression Rating Scale and the P(300) auditory event-related potential were assessed in 10 patients with depression before and after a treatment course of five daily sessions of 10 Hz repetitive transcranial magnetic stimulation (rTMS) over the left prefrontal cortex. The patients were initially randomly allocated either to an active or a placebo rTMS treatment. All patients received both types of treatment separated by an interval of 4 weeks.

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The cause of schizophrenia is unknown, but it has a significant genetic component. Pharmacologic studies, studies of gene expression in man, and studies of mouse mutants suggest involvement of glutamate and dopamine neurotransmitter systems. However, so far, strong association has not been found between schizophrenia and variants of the genes encoding components of these systems.

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