No association between lithium therapy and leukemia.
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Biomedical subjects
Publications and source records attributed to G Resek.
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The EEG synchrony between hemispheres during cognitive activity differs from that during rest. With common reference recording and a visual imagery task it increases in healthy right-handers and neurotic patients, and it decreases in healthy left-handers and schizophrenic patients. It is suggested that this implies a less lateralized brain organization in schizophrenia which may account for the often reported association with left-handedness. When associated with impaired corpus callosum transmission, it may contribute to the disturbed behaviour and thought processes in this condition.
A simple and portable ultrasound system, using a transducer attached to a pair of spectacles, to measure disorders of facial movement is described and applied to the measurement of tardive dyskinesia. Product-moment coefficients of correlation for the split-half and test-retest assessments of reliability in 20 patients were 0.96 and 0.93 respectively. Concurrent validity was confirmed by assessing the consistency between ultrasound scores and time-sampled scores based on video films (Pearson r = 0.86). Serial measurements of tardive dyskinesia over five months revealed striking individual consistency.