Two studies examined the information that defines a threatening facial display. The first study identified those facial characteristics that distinguish between representations of threatening and nonthreatening facial displays. Masks that presented either threatening or nonthreatening facial displays were obtained from a number of non-Western cultures and… (More)
Misfolded α-synuclein amyloid fibrils are the principal components of Lewy bodies and neurites, hallmarks of Parkinson's disease (PD). We present a high-resolution structure of an α-synuclein fibril, in a form that induces robust pathology in primary neuronal culture, determined by solid-state NMR spectroscopy and validated by EM and X-ray fiber… (More)
Caution is required when prescribing psychotropic drugs to elderly patients, because of altered pharmacokinetics. Benzodiazepines with a relatively short half-life, such as temazepam (Restoril), alprazolam (Xanax), and lorazepam (Ativan), are better hypnotics for the elderly than those with a long half-life. Lorazepam and clorazepate dipotassium (Tranxene)… (More)
The dissertation of Alexander Barclay i s approved , and it is acceptable in quality and form for publication on microolm: 1999 iii To m y wife Claire, and my c hildren Missy, T yler and Trevor, whose love and patience make dreams come true.