Victor Tang

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Psychostimulant drug use is commonly associated with drug-related infection, including the human immunodeficiency virus (HIV). Both psychostimulant use and HIV infection are known to damage brain white matter and impair cognition. To date, no study has examined white matter integrity using magnetic resonance imaging (MRI) diffusion tensor imaging (DTI) in(More)
Finding common modules across products for platforming a product family or to find a common module for joint development with a partner can be challenging. At the moment there are no repeatable methods for grouping functions into modules and for choosing from different module candidates to form a good platform. We have developed a five-step algorithm that(More)
A 73-year-old woman was known to have discrete episodes of psychosis not otherwise specified that would require a brief admission to hospital and total remission following a short course of benzodiazepine or antipsychotic treatment. She had no underlying schizophrenic or affective disorder and was completely unimpaired in between episodes, which could last(More)
Catatonia is a psychomotor disorder that has gone through numerous descriptions since 1874, reflecting the many changes in psychiatric disease conceptualization that have occurred within that time frame. Catatonia has been variously described as a distinct disease entity, as a part of schizophrenia, and as a nonspecific manifestation of many disorders.(More)
INTRODUCTION This chapter has two key themes: (1) a list of customer needs is interesting, but insufficient for many development decisions, (2) establishing a qua ntified, dollar value for each requirement is more helpful. To that end, we present an approach and method to establishing the quantitative monetary value for new product features and performance.(More)
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