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The hypothalamic lateral tuberal nucleus (NTL) was studied in the formalin-fixed brains of five patients with Huntington's disease (HD) and in five age- and sex-matched controls. With the Klüver-Barrera (luxol fast blue/cresyl violet) and hematoxylin and eosin stains the NTL was defined by its cytoarchitectonic characteristics. The nucleus was composed of(More)
The quality of the electrical contact between a cultured neuron and a substrate embedded microelectrode is of importance for effective transfer of an extracellular applied stimulus current to the intracellular potential. It is affected by the resistance of the seal, i.e. the gap between the cell membrane and the substrate, which restricts the leakage(More)
The human micturition cycle is controlled by central and peripheral nervous structures and connections. In literature, no complete or generally accepted model describes the principles of micturition control. In this paper, the integration of (neuro-)anatomy, (neuro-)physiology and control theory is used to describe and model the neuronal control of the(More)
This computer modelling study on motor cortex stimulation (MCS) introduced a motor cortex model, developed to calculate the imposed electrical potential field characteristics and the initial response of simple fibre models to stimulation of the precentral gyrus by an epidural electrode, as applied in the treatment of chronic, intractable pain. The model(More)
The mesencephalic trigeminal nucleus is composed of large (35-50 microns) pseudo-unipolar neurons. Closely associated with them are small (< 20 microns) multipolar neurons. An unique peculiarity of the pseudo-unipolar perikarya is that they receive synaptic input from various sources, which sets them apart from the dorsal root and cranial nerves sensory(More)
The aim of the present study was to determine the somatotopy of the sensory innervation of the rat hindlimb at the level of the dorsal root ganglia (DRGs) during the fetal and postnatal period. Injections of wheat germ agglutinin-horseradish peroxidase (WGA-HRP) were made into the hindlimb of fetal and postnatal rats. These injections result in completely(More)
The origin and course of the nerval innervation of the levator scapulae and rhomboid muscles was studied in four human cadavers. Special attention was given to surgical anatomy. The levator scapulae muscle receives two small segmental nerves from C3 and C4, respectively. The rhomboid muscle receives two segmental nerves, one from C4 and the other from C5.(More)