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OBJECTIVES We measured the volumes of the amygdala to test the hypothesis that the reduction of amygdalar volume may be associated with psychiatric symptoms in Alzheimer's disease. MATERIALS AND METHODS Twenty-seven patients underwent neuropsychological investigation including the assessment of general clinical severity by the Mini-Mental State(More)
A striking feature of the studies that have addressed the measurement of the amygdala is the wide range of volumes encountered, with reports of volumes ranging from 1 to almost 4 cm(3). Another striking feature is the number of discrepancies in the landmarks adopted for manual tracing in magnetic resonance imaging (MRI). The goal of our study was to assess(More)
OBJECTIVE Based on the clinical observation that patients suffering from narcolepsy with cataplexy (NC) have cataplectic attacks when they experience positive emotions, it is therefore hypothesised that the abnormal processing of external emotional input through the limbic system, or motor dysregulation induced by emotions, takes place during these(More)
BACKGROUND For comparing of the pathological and normal healthy state it is essential to obtain sufficient amount of the volumetric data. Nevertheless most of the publicized works use only few healthy controls opposite to the patients for the measuring of the basal ganglia volume. Further essential condition is to take into account the effect of age to the(More)
In this paper, we present two iterative algorithms for approximating the absorption spectrum of molecules within the linear response of time-dependent density functional theory (TDDFT) framework. These methods do not attempt to compute eigenvalues or eigenvectors of the linear response matrix. They are designed to approximate the absorption spectrum as a(More)
We present an algorithm for reducing the computational work involved in coupled-cluster (CC) calculations by sparsifying the amplitude correction within a CC amplitude update procedure. We provide a theoretical justification for this approach, which is based on the convergence theory of inexact Newton iterations. We demonstrate by numerical examples that,(More)
BACKGROUND The acetylcholinesterase knock-out mouse lives to adulthood despite 60-fold elevated acetylcholine concentrations in the brain that are lethal to wild-type animals. Part of its mechanism of survival is a 50% decrease in muscarinic and nicotinic receptors and a 50% decrease in adrenoceptor levels. HYPOTHESIS The hypothesis was tested that the(More)
Panayiotopoulos syndrome is an idiopathic epilepsy syndrome presenting with a large variety of autonomic symptoms. The mechanism of autonomic symptoms is still not well understood. A neurologically normal 13-month-old boy presented on 2 occasions with complex partial status epilepticus that included significant ictal priapism. Inpatient brain magnetic(More)
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