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BACKGROUND The scant research on the characteristics of Attention-Deficit/Hyperactivity Disorder (ADHD) in kindergarten years curtails progress on early assessment of ADHD. METHOD By screening a general population sample of 1317 five- to six-year-old children, four groups of children were selected. The performance of 30 children later diagnosed with ADHD(More)
BACKGROUND In clinical practice, Rolandic epilepsy is in many cases associated with developmental language impairment. However, from the literature it is unclear exactly which domains are affected; A wide variety of investigations are reported that each provide a different representation of language performance in these patients. AIMS The aim of this(More)
Clumsiness in preschool children may be a precursor to impaired academic performance and psychological and developmental problems. It is assumed that in this age group especially the qualitative aspects (=pattern) of a movement reflect variations in motor development. Currently available motor tests for this age group, however, mostly objectify quantitative(More)
In this review we systematically assess our current knowledge about psychogenic non-epileptic seizures (PNES), epidemiology, etiology, with an emphasis on the diagnostic issues. Relevant studies were identified by searching the electronic databases. Case reports were not considered. Articles were included when published after 1980 up till 2005 (26 years). A(More)
Adults suffering from Attention Deficit Hyperactivity Disorder (ADHD) are known to have disturbed central dopaminergic transmission. With Single Photon Emission Computed Tomography (SPECT) we studied brain dopamine transporter and receptor activity in six boys with ADHD. Three months after initiation of treatment with methylphenidate we found a(More)
The aim of this prospective study was to examine whether neurocognitive performance of children aged 5-6 years distinguished children who were later diagnosed with attention deficit/hyperactivity disorder(ADHD) or "borderline ADHD" from children without ADHD after adjustment for behavioral measures and to examine the influence of comorbid psychopathology.(More)
OBJECTIVE Children with ADHD have an increased risk of poor academic performance. It is important to identify cognitive processes that may be related to this academic failure. In Western schooling systems, especially language processing skills may be of relevance. The present study, therefore, compares the ability to comprehend complex sentences of(More)
Aim of the present study was two fold: (1) to evaluate the course of referring and diagnosing Learning Disabilities (LD) and the contribution of multidisciplinary assessment and (2) to describe characteristics of three LD subtypes: Attention with or without Motor function Disabilities (AMD), Verbal Learning Disabilities (VLD) and Non-Verbal Learning(More)
OBJECTIVE An association between impaired school performance and rolandic epilepsy is frequently reported. Language outcome, in particular, seems to be affected, although rolandic epilepsy originates from the motor-sensory cortex. In this study we tried to find a correlation between locomotion problems and language impairment. METHODS In this(More)
Frequent interictal epileptiform discharges (IEDs) may have effects on cognition. We analysed a group of 182 children with different epilepsy syndromes as well as children with IEDs without observed seizures [corrected], with 24-h ambulatory EEG and cognitive tests. The IED index was estimated, in wakefulness and in sleep, as percentage of time in five(More)