Many people voluntarily incur costs to punish violations of social norms. Evolutionary models
and empirical evidence indicate that such altruistic punishment has been a decisive force …

Increased symmetrical fluorine-18 fluorodeoxyglucose (FDG) uptake in the cervical and
thoracic spine region is well known and has been attributed to muscular uptake. The purpose of …

The scientific basis for claims of efficacy of nosocomial infection surveillance and control
programs was established by the Study on the Efficacy of Nosocomial Infection Control project. …

Cerebral energy metabolism is a highly compartmentalized and complex process in which
transcellular trafficking of metabolites plays a pivotal role. Over the past decade, a role for …

Previous work indicates that stress levels of circulating glucocorticoids can impair retrieval
of declarative memory in human subjects. Several studies have reported that declarative …

Studies of amnesia have demonstrated that the hippocampus is necessary for long‐term
memory, but its precise role in memory is unknown. We designed a positron emission …

The authors describe the initial application for tumor staging with an in-line system with a
positron emission tomographic (PET) scanner and a multi–detector row helical computed …

The hippocampal formation, one of the most complex and vulnerable brain structures, is
recognized as a crucial brain area subserving human long-term memory. Yet, its specific …

Objective: Clinical and preclinical evidence suggests a hyperactive glutamatergic system in
clinical depression. Recently, the metabotropic glutamate receptor 5 (mGluR5) has been …

The purpose of this study was to semiquantitatively identify artifactual and physiological soft-tissue
accumulations in whole-body FDG-PET scans with the aim of defining their frequency …