Presentation on theme: "Virtual Environments and Computer Graphics"— Presentation transcript:
1 Digital Care for the Physical Environment A UCL Project Proposal for Equator Virtual Environments and Computer GraphicsDepartment of Computer ScienceUniversity College London
2 People Douglas Gourlay, RF Nick Dalton, RF (leaving) Vino Vinayagamoorthy, RF+PhD studentJoel Jordan, (PhD student, Nov 2001)Anna Soobrati (PhD student, January 2002)Anthony Steed, UCL Equator project leadCeline Loscos, PIMel Slater, PIThe avatars
3 “Much of what therapists engage in with their clients is the construction of artificial environments in whichpeople can learn to overcome their fears.”Prof. Chris BrewinDepartment of Psychology, UCL
4 Outline Introduction: Background Research Issues Paranoid Ideation AgoraphobiaThe Way Ahead
5 1. Introduction Use of avatars in psychotherapy applications Social phobia + paranoid ideationWhat is required to make these avatars believable?Will a laughing avatar make you laugh?A weeping avatar make you weep?Examples…in public speaking phobia
6 Positive AudienceAudience made eye contact and other movements
7 Negative AudienceAudience carried out many negative behaviours
8 Neutral Audience Audience glanced and otherwise fidgeted No explicit positive or negative behaviour
10 Overall Results on FOPS Evidence suggests that people do react to virtual audiences with appropriate affectNext stage is to build the method in the context of a treatment programmeTwo clients have already been seen (CAVE)Fundamental research question remains: Why does it work?
11 Paranoid IdeationThis is the typical pattern of thinking displayed in cases of paranoia; it is characterised by suspiciousness and beliefs that one is being followed, plotted against, persecuted, etc.ObjectiveTo assess the extent to which paranoid thoughts could be triggered in a VETo help in understanding how this happens
14 Typical Debriefing Comment “It was really weird, because they were all definitely in onsomething and they were all trying to make me nervous.It was clear that they were trying to mock me, they kepton looking at me and when I looked back, they were uuhh…The guy with the suit was really weird because he kept smiling atme and it was quite sinister.”“There were three people on the right – one with a suit,I think he was a business man working on his laptop…”
15 2. Research Issues Digital-physical interface Synchronous or asynchronousDigital city remains our technical focus:Graphics and modelling issuesProperties that environments and activities must have to maintain believability, presence, copresence‘Effectiveness’
16 Effectiveness Effectiveness – for what? Psychotherapy application Provides clear measures of effectivenessDoes the VE and activities within generate the anxiety response that would have been generated in real life?Can be measured using standard psychological instruments developed over many years.
17 Levels of Research Algorithmic and interface research Properties for effectiveness within the given domainHow can these systems be used to help people in the real world, to generate treatment programs, self-help and support groups?
18 3. Agoraphobiainclude fears not only of open spaces but also of related aspects such as the presence of crowds and the difficulty of immediate easy escape to a safe place (usually home).Plan to initially concentrate on thisOperates within the ‘digital city’ broadly defined (shops, transport, streets)
19 Issues Agoraphobia – problem with people going out Initial systems PC based for home useStarting point – study of patients and therapistsEthnomethodology? Focus groups?Identify commonalities
20 Issues Create a parameterised environment Individuals learn to control aspects of environment that are particularly important to them (eg, darkness, crowd density, location of exits)Relapse – panic attacks in vivoHand-held display devices to reestablish calm and control – PDAs, digital toys?
21 A virtual experience within a village on a flat PC screenin 3D with stereo glassesin a 3D immersive environmentThe user can triggerthe number of people surroundingdegree of interaction (egocentric/exocentric)weatherlighting conditions
22 Issues Physiological feedback Self-help and mass counselling Anxiety measured and relayed to local PDA and to central monitoring system – use of wearable devices?Self-help and mass counsellingUse home-based PCs to support shared VEs where people can meet together – especially in anxiety producing environments
23 Issues Recall of something that calms the users Pictures of environment that makes them feel safe (within a digital environment or on a hand-held display)Adapted for each individualSafe environment behind theme.g. white wall
24 IssuesUsing the environments as a lab to study perceptual distortions that often accompany anxiety statesWork on social phobia and paranoid ideation would continueStrong crossover between the various types of application and the underlying technology needed to support them
25 4. The Way AheadProvides a strong applications focus for our group, with the necessity for underlying research in our specialitiesContinued meeting with colleagues from psychology to map out a 6month – 3 year programme in the Equator context.End-goal has clear benefit to wider society.