The evaluation of an ultrasound detector (UD) in the measurement of oro-facial dyskinesia.


An ultrasound detector (UD) was compared with a clinical rating (CR) scale in the assessment of oro-facial movements in 23 chronic schizophrenic patients and 23 normal subjects over a period of 4 weeks. The apparatus distinguished well between normal volunteers and dyskinetic patients. There were also highly significant correlations between UD scores and… (More)