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Teaching is inherently a social interaction between teacher and student. Despite this knowledge, many educational tools, such as vocabulary training programs, still model the interaction in a tutoring scenario as unidirectional knowledge transfer rather than a social dialog. Therefore, ongoing research aims to develop virtual agents as more appropriate(More)
The probenecid technique was used in study of the central dopamine DA metabolism in patients with depressions, psychotic disorders, and Parkinson's disease. The disturbances found were neither nosologically nor syndromally specific, but appeared to be symptom-specific. Decreased DA turnover was associated with hypomotility, and increased DA turnover with(More)
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