Over a quarter of the people in the US population will have an anxiety disorder sometime during their lifetime.1 It is well established that exposure-based behavior therapies are effective treatments for these disorders; unfortunately, only a small percentage of patients are treated with exposure therapy.2,3 For example, in the Harvard/Brown Anxiety Research Project, only 23% of treated patient...

We propose to illustrate how the PAC-C3D software model makes it possible to share networked 3D Virtual Environments (VE) between heterogeneous 3D viewers written in Java3D and jReality.

Virtual Reality (VR) systems, especially multi-user systems, can benefit from and often require a distributed realisation1. This paper surveys the approaches to data and event modelling and distribution adopted by a number of VR systems and assesses the merits of each approach. The theme of objective versus subjective world views is developed and used as a basis for comparing the systems. The a...

Prolonged in vivo exposure therapy is continuous real life exposure of a phobic person to an anxiety evoking stimulus, and maintaining this exposure until the anxiety is no longer elicited. This technique has been found to be an effective treatment for a variety of anxiety related disorders (Boulougouris and Rabavilas, 1977; Gelder, 1979) and usually relieves the symptomatology of simple phobia...

Average HIV-1 virulence appears to have evolved in different directions in different host populations since antiretroviral therapy first became available, and models predict that HIV drugs can select for either higher or lower virulence, depending on how treatment is administered. However, HIV virulence evolution in response to "leaky" therapy (treatment that imperfectly suppresses viral replic...

Augmented Reality (AR) refers to superimposing computer generated objects onto a real world scene. The use of AR as a surgical planning aid is a compelling application and several demonstrations of its potential have been produced. This paper looks at the impact AR can also make on training medical procedures. In particular, we look at building an AR environment though the use of wellestablishe...

INTRODUCTION As the population ages, the prevention of falls is an increasingly important public health problem. Balance assessment forms an important component of fall-prevention programs for older adults. The recent development of cost-effective and highly responsive virtual reality (VR) systems means new methods of balance assessment are feasible in a clinical setting. This proof-of-concept ...

the clinical and economic importance of heart failure is widely recognized.   the incidence of heart failure is on the increase, particularly with the aging of the population around the world.   it is time for a paradigm shift in heart failure management. alternative non-pharmacological strategies to remodel the failing ventricle will shape a major portion of heart failure therapy in the decade...

After a flurry of activity in the mid to late 90's, 3D interaction research has slowed, still lacking a mastery of the domain. Listed as one of the open and crucial challenges (Brooks, 1999) for Virtual Reality (VR), it is surprising that success has not been more forthcoming. The simplest explanation is that 3D interaction is just plane hard (Herndon, et. al. 1994). Another explanation is that...

We present the RhoVeR (Rhodes Virtual Reality) system and classify it as a second generation Parallel/Distributed Virtual Reality (DVR) system. We discuss the components of the system and thereby demonstrate its support for Virtual Reality application development, its conngurable, parallel and distributed nature, and its synthesis of rst generation DVR techniques.