Connecting Virtual Reality and Occupation
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1 Connecting Virtual Reality and Occupation Robert C. Ferguson, MHS, OTRL Michael Blackstock, MS, OTRL 1
2 Objectives 1) interpret the current research on the therapeutic use of immersive virtual reality in rehabilitation. 2) analyze the capacity of different immersive virtual reality platforms and activities in order to facilitate a patient s performance skills and treatment goals. 3) integrate immersive virtual reality technologies with evidencebased treatment strategies and techniques to enhance their practice. 2
3 The Virtual Context and The Reality - Virtuality Continuum 3
4 The Tangible and Virtual Contexts of ADL Activity: Tangible Context Brick/mortar banking, shopping Meetings, scheduling Checkers/chess Travel Brick/mortar education Religious services, running club Activity: Virtual Context Mobile banking, bitcoin, shopping Videoconferences, digital schedules Online or VR checkers/chess VR travel experience Asynchronous online education Online religious services, social networking services * Whether a person engages through a tangible or virtual context with an activity, they still require physical interaction and an interface/tool/technology (Until we become telepathic and telekinetic )
5 Reality Virtuality Continuum 5
6 Reality Virtual Reality Reality - environments consisting solely of real objects constrained by the laws of physics real-world scene viewed in-person or displayed on a monitor or head mounted display (HMD) Virtual Reality (VR) synthetic environments consisting solely of computer-generated virtual objects may simulate real or fictional environments may or may not follow laws of real-world physics digital scene viewed on a monitor or HMD 6
7 Mixed Realities Augmented Reality - real environment viewed with a portion of VR added can be layered or anchored/scalable to the real environment Augmented Virtuality VR viewed with a portion of the real environment added can be video or texture mapped can be completely or partially immersive 7
8 Virtual Reality Concepts 8
9 VR Concepts Experiential vs. User Controlled Virtual Environments Non-immersive Video games, internet computer games, Wii games, Xbox Kinect games, Robotics/exoskeletons Mixed Augmented Reality; ie. Pokemon Go, Hololens, Cave Augmented Virtuality; ie. PlayStation Eyetoy, IREX VR system Immersive Heads up displays with/without tracked body 9
10 VR Concepts Experiential vs. User Controlled Virtual Environments Non-immersive Video games, internet computer games, Wii games, Xbox Kinect games, Robotics/exoskeletons Mixed Augmented Reality; ie. Pokemon Go, Hololens, Cave Augmented Virtuality; ie. PlayStation Eyetoy, IREX VR system Immersive Heads up displays with/without tracked body 10
11 Non-Immersive VR? 11
12 VR Concepts Experiential vs. User Controlled Virtual Environments Non-immersive Video games, internet computer games, Wii games, Xbox Kinect games, Robotics/exoskeletons Mixed Augmented Reality; ie. Pokemon Go, Hololens, CAVE Augmented Virtuality; ie. PlayStation Eyetoy, IREX VR system Immersive Heads up displays with/without tracked body 12
13 Mixed Reality AR 13
14 Mixed Reality AV 14
15 VR Concepts Experiential vs. User Controlled Virtual Environments Non-immersive Video games, internet computer games, Wii games, Xbox Kinect games, Robotics/exoskeletons Mixed Augmented Reality; ie. Pokemon Go, Hololens, Cave Augmented Virtuality; ie. PlayStation Eyetoy, IREX VR system Immersive Head mounted displays with/without tracked body 15
16 Evaluating and Understanding the Virtual Reality Evidence 16
17 VR Evidence: Stroke AHA Stroke Rehabilitation Guidelines: It is reasonable to provide repeated VR to improve neglect symptoms after stroke. It is reasonable to consider VR as a method for delivering upper extremity movement practice. The use of VR to improve visual-spatial/perceptual functioning may be considered. Customizing VR rehabilitation tasks according to the clinical needs and capacities of patients is important (Aminov, Rogers, Middleton, Caeyenberghs, & Wilson, 2018) 17
18 VR Evidence: Stroke May be beneficial in improving upper limb function and ADL function when used as an adjunct to usual care or when compared with the same dose of conventional therapy. (Laver et al., 2017) VR rehabilitation moderately improves outcomes compared to conventional therapy (Lohse et al., 2014) 18
19 VR Evidence: Stroke Meta-analyses and systematic reviews suggest adjunct treatment with IVR provides engaging, motivating, task-oriented and salient experiences the requisite use, repetition and intensity of training for skill acquisition and performance. immediate and longer-term improvements in motor function and the performance of cognitive and motor activities following stroke. (Aminov, Rogers, Middleton, Caeyenberghs, & Wilson, 2018) 19
20 VR Evidence: Limb Loss Quantitative or qualitative Improvement noted with VR and AR treatment for phantom limb pain (Dunn et al., 2017) VR rehabilitation with a bimanual coordination task encourages patient's motivation, multimodal sensorimotor re integration of a phantom limb and improves pain (Osumi M. et al., 2016) 20
21 VR Evidence: Burn Care VR significantly reduces pain, anxiety and stress during dressing changes and therapy (Scapin et al., 2018) 21
22 VR Evidence: Exertion Measurement of cardiovascular conditioning with IVR demonstrates increased engagement with a lower perception of exertion compared to actual exertion while maintaining comparable exertion activity levels such as walking, running and dancing. (Yoo, Ackad, Heywood, & Kay, 2017) 22
23 VR Evidence: Cognition Eval Exploratory research demonstrates the use of IVR in the evaluation and treatment of cognitive and spatial impairment with early evidence suggesting the convergent validity of an IVR cognitive assessment with traditional neuropsychological measures. (Davison, Deeprose, & Terbeck, 2018) 23
24 Research Reality: Considerations/Limitations Need to standardize the definition of VR Used as part of a comprehensive rehabilitation program appears reasonable, taking into account the patient s goals, abilities, and preferences Significant heterogeneity and small study sizes limit the power of the conclusions Not clear yet which characteristics of VR are most important 24
25 Research Reality: Considerations/Limitations Unknown whether effects are sustained Adverse affects may vary depending on the characteristics of the person, the VR hardware and software, and the task It is necessary to emphasize the importance of methodological rigor in clinical studies to improve the evidence of VR use 25
26 Research Reality: Considerations/Limitations Recommendations promoting the use of VR were mostly based on non-immersive VR and MR environments inclucing 2D and 3D interactive video or motion capture keyboard or mouse-based interfaces console game systems such as the Xbox Kinect and Wii. Recommendations can create confusion when therapists generalize treatment results between different types of VR, particularly to treatment with immersive VR 26
27 Assessing Virtual Reality Platforms & Activities 27
28 PlayStation4 VR Pros Easy and quick setup and portability Works well for trunk balance / control Headset tracking / neck ROM Comfortable to wear / minimal face weight Standing or seated gaming Cons Limited motion control, requires hand function for basic controls Controller tracking is not as robust Limited room scale / ability to move around room 28
29 Oculus Rift Pros Easy setup, but a little time needed Easy portability Works well for trunk balance / control Adaptable headset tracking / neck ROM Good UE (or LE) motion tracking in standing / sitting Cons Requires hand function for basic controls Limited room scale / ability to move around room Some weight on face Requires powerful computer / graphics card 29
30 Windows Mixed Reality Pros Easy / fast setup and portability Inside-out tracking / No external cameras needed Works well for trunk balance/control Headset tracking/neck ROM Good UE motion tracking in standing or sitting Room scale / Capability to move throughout room Lower computer and graphic card requirements Cons Requires hand function for basic controls Limited tracking 30
31 Linking VR to Goals Match type of VR to client-specific goals/interests. The goal is more important than the tool Use activity analysis ( Research ) to understand specific game s accessibility and gradability Research will allow clinician to use creativity and clinical reasoning to monitor/adjust equipment and software to facilitate progress toward goals 31
32 Linking VR to Goals Research will also allow clinician to; anticipate, accommodate, and manipulate client responses to the mismatch of physics between reality and virtuality Incorporate treatment interventions or strategies into the activity bilateral training visual/sensory scanning cognitive cueing strength / endurance / balance 32
33 Integrating Virtual Reality in Practice: Video Case Presentations 33
34 Lower Body Dressing With C6 Asia A SCI: Trunk Control 34
35 Lower Body Dressing With C6 Asia A SCI: Trunk Control 35
36 Lower Body Dressing With C6 Asia A SCI: Trunk Control 36
37 Lower Body Dressing With C6 Asia A SCI: Trunk Control 37
38 Lower Body Dressing With C6 Asia A SCI: Trunk Control 38
39 Lower Body Dressing With C6 Asia A SCI: Collar Off 39
40 Scanning Strategies: Mild Left Neglect 40
41 Scanning Strategies: Mild Left Neglect 41
42 Scanning Strategies: Mild Left Neglect 42
43 Standing Self Care/Mobility LE Weakness/Proprioceptive Awareness L1 ASIA D SCI 43
44 Standing Self Care/Mobility LE Weakness/Proprioceptive Awareness L1 ASIA D SCI 44
45 Standing Self Care/Mobility LE Weakness/Proprioceptive Awareness L1 ASIA D SCI 45
46 Standing Self Care/Mobility LE Weakness/Proprioceptive Awareness L1 ASIA D SCI Function at Discharge 46
47 Summary Virtual reality is increasingly being used in clinics and in research to address many client factors and performance skills. It facilitates treatment that can foster an ecologically valid context, in a safe and controlled environment, to improve cognitive, perceptual and motor performance. The evidence suggests that virtual reality treatments should be used in addition to therapy occurring in a real environment vs. a standalone treatment. 47
48 References: Aminov, A., Rogers, J. M., Middleton, S., Caeyenberghs, K., & Wilson, P. H. (2018). What do randomized controlled trials say about virtual rehabilitation in stroke? A systematic literature review and metaanalysis of upper-limb and cognitive outcomes. Journal of Neuroengineering and Rehabilitation, 15(1), Davison, S. M. C., Deeprose, C., & Terbeck, S. (2018). A comparison of immersive virtual reality with traditional neuropsychological measures in the assessment of executive functions. Acta Neuropsychiatrica, 30(2), Dunn, J., Yeo, E., Moghaddampour, P., Chau, B., & Humbert, S. (2017). Virtual and augmented reality in the treatment of phantom limb pain: A literature review. NeuroRehabilitation, 40(4),
49 Laver, K. E., Lange, B., George, S., Deutsch, J. E., Saposnik, G., & Crotty, M. rehabilitation. Cochrane Database of Systematic Reviews. (2017). Virtual reality for stroke Lohse, K. R., Hilderman, C. G. E., Cheung, K. L., Tatla, S., & Loos, H. F. M. V. der. (2014). Virtual Reality Therapy for Adults Post-Stroke: A Systematic Review and Meta-Analysis Exploring Virtual Environments and Commercial Games in Therapy. PLOS ONE, 9(3), e Osumi M., Ichinose A., Sumitani M., Wake N., Sano Y., Yozu A., Morioka S. (2016). Restoring movement representation and alleviating phantom limb pain through short term neurorehabilitation with a virtual reality system. European Journal of Pain, 21(1),
50 Scapin, S., Echevarría-Guanilo, M. E., Boeira Fuculo Junior, P. R., Gonçalves, N., Rocha, P. K., & Coimbra, R. (2018). Virtual Reality in the treatment of burn patients: A systematic review. Burns. Winstein, C. J., Stein, J., Arena, R., Bates, B., Cherney, L. R., Cramer, S. C (2016). Guidelines for Adult Stroke Rehabilitation and Recovery: A Guideline for Healthcare Professionals From the American Heart Association/American Stroke Association. Stroke, STR Yoo, S., Ackad, C., Heywood, T., & Kay, J. (2017). Evaluating the Actual and Perceived Exertion Provided by Virtual Reality Games. In Proceedings of the 2017 CHI Conference Extended Abstracts on Human Factors in Computing Systems (pp ). New York, NY, USA: ACM. 50
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