This contribution includes a lecture delivered by Dr. Dennis Altman at the International AIDS Conference held in Bangkok, Thailand during the summer of 2004. Its main goal was to recognize Jonathan Mann for his commitment to the struggle against HIV/AIDS. Jonathan Mann is probably best known for his work with the World Health Organization and the publication of the two volume book entitled AIDS...

Fusion of different imaging modalities has gained increasing popularity over the last decade. However, most fusions are done between static rather than dynamic images. In order to adequately visualize the complex three-dimensional structures of the beating heart, high-temporal and spatial image resolutions are mandatory. Currently, only the combination of transesophageal echocardiography with f...

We investigate how people use causal knowledge to design interventions to affect the outcomes of causal systems. We propose that in addition to using content or mechanism knowledge to evaluate the effectiveness of interventions, people are also influenced by the abstract structural properties of a causal system. In particular, we investigated two factors that influence whether people tend to in...

THE CHRONIC HEALTH PROBLEMS OF OBESITY, DIABEtes, heart disease, and cancer commonly affect adults living in developed countries and are both difficult to treat and costly, leading experts to stress the importance of prevention. Elimination of the 3 behavioral risk factors of sedentary lifestyle, poor diet, and smoking would decrease mortality by 35%. But how do we get individuals to exercise m...