John Barber

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Recent studies have suggested that testosterone levels are lower in men with Alzheimer's disease and that testosterone treatment improves cognition in older men. Since testosterone can be aromatized to estrogen, testosterone's effects could be due to conversion into estrogen. We treated aged male rats with either testosterone or dihydrotestosterone (DHT),(More)
  • John Barber, Sambasiva Bhatta, Ashok Goel, Mark Jacobson, Michael Pearce, Louise Penberthy +3 others
  • 1992
AskJef is a prototype AI system that helps software engineers in designing human-machine interfaces. It provides a memory of interface design examples, primitive domain objects, and design principles, guidelines , errors and stories. The design examples are represented graphically and decomposed temporally. The different types of knowledge are cross-indexed(More)
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