Scientific and clinical Background
There is very good evidence that the hypothalamic-pituitary- adrenal (HPA) axis is disturbed in depression. There is some evidence that the stress system also plays a role in attention deficit disorder (ADHD ) (O'Connor, Heron et al. 2002).
The investigators have
Background
On one hand structural cardiac anomalies and arrhythmias such as atrial fibrillation can give rise to thrombi that are dislodged as emboli to the brain and cause stroke. On the other hand acute emotional stress or cerebral events can cause acute cardiac dysfunction with left ventricular
Objective: The primary objective of this study is to determine the brain regions responsible during attacks for psychogenic paroxysmal hyperkinetic movement disorders using functional magnetic resonance imaging (fMRI). The secondary objective is to determine the neurophysiology during attacks for
The purpose of this study is to determine the areas of the brain responsible for paroxysmal hyperkinetic movement disorders. Paroxysmal hyperkinetic movement disorders have been clinically recognized for a long time, although the exact neurophysiological mechanism leading to paroxysms of
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