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Two women (patient 1, 77 years old, and patient 2, 63 years old) with strong clinical evidence for corticobasal degeneration (CBD) are presented. Patient 2 was in an early stage of the disease with only a mild disability of her left hand. In addition to the clinical characteristics, both patients presented the typical cortical reflex myoclonus. Magnetic(More)
OBJECTIVE To investigate the 24 h blood pressure profile in patients with Parkinson's disease with intact autonomic function or with autonomic failure and patients with multiple system atrophy (MSA), and to assess whether these patients exhibit posture-related variations in blood pressure. PATIENTS AND METHODS We studied 24 patients with Parkinson's(More)
We present a suite of Mathematica-based computer-algebra packages, termed " Kranc " , which comprise a toolbox to convert (tensorial) systems of partial differential evolution equations to par-allelized C or Fortran code. Kranc can be used as a " rapid prototyping " system for physicists or mathematicians handling very complicated systems of partial(More)
In this paper we present our recent work in developing a computer-algebra tool for systems of partial differential equations (PDEs), termed " Kranc ". Our work is motivated by the problem of finding solutions of the Einstein equations through numerical simulations. Kranc consists of Mathematica based computer-algebra packages, that facilitate the task of(More)
We report on the existence and phenomenology of type II critical collapse within the one-parameter family of SU(2) σ-models coupled to gravity. Numerical investigations in spherical symmetry show discretely self-similar (DSS) behavior at the threshold of black hole formation for values of the dimen-sionless coupling constant η ranging from 0.2 to 100; at(More)
In recent years, many different numerical evolution schemes for Einstein's equations have been proposed to address stability and accuracy problems that have plagued the numerical relativity community for decades. Some of these approaches have been tested on different spacetimes, and conclusions have been drawn based on these tests. However, differences in(More)
We describe a 77-year-old woman who developed a confusional state, cognitive impairment, behavioural abnormalities and dysphasia after treatment of hypercalcaemia. Repeated EEG recording revealed rhythmic sharp-wave activity over the right parietal-occipital lobe. Magnetic resonance imaging (MRI) showed marked hyperintense signal changes bilaterally. The(More)
BACKGROUND The hypothesis of this study was that percutaneous techniques lower the risk of post-traumatic avascular necrosis. MATERIALS AND METHODS In this retrospective study 83 patients were followed up clinically and radiologically for signs of avascular necrosis and nonunion after open or percutaneous treatment of proximal humerus fractures. Mean age(More)
Clozapine is known to induce epileptic seizures and changes in EEG-patterns, including slowing and the appearance of epileptiform activity. Olanzapine, a new antipsychotic drug, shares many pharmacological and clinical properties with clozapine. However, in patients treated with olanzapine, no case of seizure induction has been reported so far, and the EEG(More)
OBJECTIVE Brain electric activity in the theta frequency band has been associated with the encoding of new, and the retrieving of previously stored, information. We studied the time course of stimulus-to-stimulus changes of theta activity under repetitive somatosensory stimulation. MATERIALS AND METHODS Twelve healthy subjects participated in the study.(More)