W van den Burg

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Performance on Dutch adaptations of Rey's AVLT was examined in a sample of 225 6- to 12-year-old Dutch school children, selected to be representative of the general population. With an interval of 3 months, they were tested twice, using two out of three test forms which proved to be parallel. No test-retest practice effects were apparent. Age had a(More)
In a follow up study of 57 patients who had sustained a severe closed head injury, 84% still reported some residual deficit in their psychological functioning after two years, with forgetfulness being the most common complaint. Expressing the severity of the injury in terms of both the duration of post-traumatic amnesia (PTA) and the extent to which(More)
In a group of 20 patients who were to undergo endarterectomy for atherosclerotic occlusive disease of the internal carotid artery, the stenosis did not appear to have resulted in cognitive or motor deficits. Consistent with this finding, surgery could not be shown to have a beneficial effect on cognitive or motor functioning. Control data were supplied by(More)
In 102 cases of infantile hydrocephalus, treated within 365 days of birth, the possibilities of predicting later intelligence were investigated, largely by means of multiple regression methods. No significant effect of aetiology, date of shunting or severity (measured in various ways) could be demonstrated. Within the spina bifida group however the 3 cases(More)
Ten endogenous depressive patients were deprived of sleep for two whole nights according to the following schedule: sleep/sleep deprivation/sleep/sleep deprivation/sleep. No drugs were administered. Experimental conditions were as neutral as possible. Blind and nonblind ratings were taken. The patients were generally rated as improved after sleep(More)
A slow, continuous infusion of 1000 mug TRH (thyrotropin releasing hormone) over a period of 4 h had a very faint and diffuse short-lasting beneficial effect on a group of 10 depressive patients. This was assessed in a double blind cross-over trial with placebo. The effect was of no therapeutic value. No difference was found between the depressive patients(More)
A double-blind crossover study of sodium valproate and placebo was conducted in five patients with Meige syndrome. CSF neurotransmitter studies were performed at the end of each treatment period. GABA levels were not influenced by the administration of sodium valproate. An increase in HVA levels was observed in every patient, which may reflect an increase(More)
The clinical condition and the serum levels of antibodies to acetylcholine receptor protein were followed in 30 patients with myasthenia gravis before and in a period varying from 2 to 4 (mean 3) yr after thymectomy. Twenty-five patients improved in the 2 yr following thymectomy. A highly significant correlation was found between the change in clinical(More)
Forty mildly disabled and clinically stable patients with multiple sclerosis (MS), representative of the corresponding population in Northern Holland, with disability Status Scale scores evenly distributed within the 1 to 4 range, were compared with 40 age-, sex-, and education-matched normal controls on a battery of neuropsychological tests. Apart from(More)