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Alterations in tactile sensitivity are common in patients with chronic pain. Recent brain imaging studies have indicated that brain areas activated by acute experimental pain partly overlap with areas processing innocuous tactile stimuli. However, the possible effect of chronic pain on central tactile processing has remained unclear. We have examined, both clinically and with whole-head magnetoencephalography,...
The hippocampus is a mesial temporal lobe structure of complex shape and the main locus of temporal lobe epilepsy and also affected early in Alzheimer's disease. Magnetic resonance imaging of the hippocampus has been found to be a helpful diagnostic tool for these conditions. Measurement of hippocampal volumes has been found to be not only the most accurate approach to evaluation of the hippocampal...
Age-related changes in semantic context effects were examined using late event-related brain potentials (ERPs). Auditory ERPs to semantically congruous and incongruous final words in spoken sentences were recorded in 16 children (aged 5-11 years) and 16 adults. Previous findings concerning age-related effects on N400 were replicated: the N400 effect was significantly larger in children than in adults...
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