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Glial cell line-derived neurotrophic factor (GDNF) is a potent survival factor for motoneurons (MNs), and is considered a potential agent for the treatment of amyotrophic lateral sclerosis (ALS) and other MN diseases. The effectiveness of GDNF may depend significantly upon its route of delivery to MNs. In this study we tested the neuroprotective effects of(More)
This study examined the effect of travel distance on mammography facility choice, with mammography cost held constant. Women who were eligible to undergo free mammography at a military treatment facility (MTF) responded to a mail survey by indicating whether their last mammograms were performed at an MTF (for free) or at a civilian medical facility (for a(More)
Two telemedicine networks were developed for the purpose of conducting multidisciplinary oncology ("teleoncology") conferences. The infrastructure of each system differed: one system was Internet-based; the other was delivered via Integrated Services Digital Network (ISDN) lines. The purpose of this study was to describe the infrastructure and cost,(More)
Virtual worlds have seized the imaginations of millions of people who now live, work, and play together in these new environments. But all is not well. These online communities are ruled nearly exclusively by contract law, through end-user licence agreements, terms of service, and codes of conduct. Contracts are a critical means of helping two (or a few)(More)
Imagination involves episodic memory retrieval, visualization, mental simulation, spatial navigation, and future thinking, making it a complex cognitive construct. Prior studies of imagination have attempted to study various elements of imagination (e.g., visualization), but none have attempted to capture the entirety of imagination ability in a single(More)
Ever since creation's peaceful dawn was startled by the death cry of the murdered Abel and Jehovah placed his mark upon Cain and set him forth a 'fugitive and a vagabond,' cursed from the earth that had opened its mouth to receive his brother's blood from his hand, there has been a never-ending conflict between those who make the laws and those who break(More)