"Seeing the Faces Is So Important" -- Experiences From Online Team Meetings on Commercial Virtual Reality Platforms

During the Covid-19 pandemic, online meetings became common for daily teamwork in the home office. To understand the opportunities and challenges of meeting in virtual reality (VR) compared to video conferences, we conducted the weekly team meetings of our human-computer interaction research lab on five off-the-shelf online meeting platforms over four months. After each of the 12 meetings, we asked the participants (N = 32) to share their experiences, resulting in 200 completed online questionnaires. We evaluated the ratings of the overall meeting experience and conducted an exploratory factor analysis of the quantitative data to compare VR meetings and video calls in terms of meeting involvement and co-presence. In addition, a thematic analysis of the qualitative data revealed genuine insights covering five themes: spatial aspects, meeting atmosphere, expression of emotions, meeting productivity, and user needs. We reflect on our findings gained under authentic working conditions, derive lessons learned for running successful team meetings in VR supporting different kinds of meeting formats, and discuss the team's long-term platform choice.Comment: This article has been published at Frontiers in Virtual Reality, Research Topic "Everyday Virtual and Augmented Reality: Methods and Applications, Volume II": https://doi.org/10.3389/frvir.2022.94579

Development and Calibration of an Eye-Tracking Fixation Identification Algorithm for Immersive Virtual Reality

[EN] Fixation identification is an essential task in the extraction of relevant information from gaze patterns; various algorithms are used in the identification process. However, the thresholds used in the algorithms greatly affect their sensitivity. Moreover, the application of these algorithm to eye-tracking technologies integrated into head-mounted displays, where the subject's head position is unrestricted, is still an open issue. Therefore, the adaptation of eye-tracking algorithms and their thresholds to immersive virtual reality frameworks needs to be validated. This study presents the development of a dispersion-threshold identification algorithm applied to data obtained from an eye-tracking system integrated into a head-mounted display. Rules-based criteria are proposed to calibrate the thresholds of the algorithm through different features, such as number of fixations and the percentage of points which belong to a fixation. The results show that distance-dispersion thresholds between 1-1.6 degrees and time windows between0.25-0.4s are the acceptable range parameters, with 1 degrees and0.25s being the optimum. The work presents a calibrated algorithm to be applied in future experiments with eye-tracking integrated into head-mounted displays and guidelines for calibrating fixation identification algorithmsWe thank Pepe Roda Belles for the development of the virtual reality environment and the integration of the HMD with Unity platform. We also thank Masoud Moghaddasi for useful discussions and recommendations.Llanes-Jurado, J.; Marín-Morales, J.; Guixeres Provinciale, J.; Alcañiz Raya, ML. (2020). Development and Calibration of an Eye-Tracking Fixation Identification Algorithm for Immersive Virtual Reality. Sensors. 20(17):1-15. https://doi.org/10.3390/s20174956S1152017Cipresso, P., Giglioli, I. A. C., Raya, M. A., & Riva, G. (2018). The Past, Present, and Future of Virtual and Augmented Reality Research: A Network and Cluster Analysis of the Literature. Frontiers in Psychology, 9. doi:10.3389/fpsyg.2018.02086Chicchi Giglioli, I. A., Pravettoni, G., Sutil Martín, D. L., Parra, E., & Raya, M. A. (2017). A Novel Integrating Virtual Reality Approach for the Assessment of the Attachment Behavioral System. Frontiers in Psychology, 8. doi:10.3389/fpsyg.2017.00959Marín-Morales, J., Higuera-Trujillo, J. L., De-Juan-Ripoll, C., Llinares, C., Guixeres, J., Iñarra, S., & Alcañiz, M. (2019). Navigation Comparison between a Real and a Virtual Museum: Time-dependent Differences using a Head Mounted Display. Interacting with Computers, 31(2), 208-220. doi:10.1093/iwc/iwz018Kober, S. E., Kurzmann, J., & Neuper, C. (2012). Cortical correlate of spatial presence in 2D and 3D interactive virtual reality: An EEG study. 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Virtual Reality in Marketing: A Framework, Review, and Research Agenda

[EN] Marketing scholars and practitioners are showing increasing interest in Extended Reality (XR) technologies (XRs), such as virtual reality (VR), augmented reality (AR), and mixed reality (MR), as very promising technological tools for producing satisfactory consumer experiences that mirror those experienced in physical stores. However, most of the studies published to date lack a certain measure of methodological rigor in their characterization of XR technologies and in the assessment techniques used to characterize the consumer experience, which limits the generalization of the results. We argue that it is necessary to define a rigorous methodological framework for the use of XRs in marketing. This article reviews the literature on XRs in marketing, and provides a conceptual framework to organize this disparate body of work.This work was supported by the Spanish Ministry of Science, Innovation and Universities funded project - ATHENEA-DPI2017-91537-EXP and by the European Commission project RHUMBO - H2020-MSCA-ITN-2018-813234Alcañiz Raya, ML.; Bigné, E.; Guixeres, J. (2019). Virtual Reality in Marketing: A Framework, Review, and Research Agenda. Frontiers in Psychology. 10:1-15. https://doi.org/10.3389/fpsyg.2019.01530S11510Alcañiz, M., Parra, E., & Chicchi Giglioli, I. A. (2018). Virtual Reality as an Emerging Methodology for Leadership Assessment and Training. Frontiers in Psychology, 9. doi:10.3389/fpsyg.2018.01658Alshaal, S. E., Michael, S., Pamporis, A., Herodotou, H., Samaras, G., & Andreou, P. (2016). Enhancing Virtual Reality Systems with Smart Wearable Devices. 2016 17th IEEE International Conference on Mobile Data Management (MDM). doi:10.1109/mdm.2016.60Ausin, J. 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Editorial - Games and Learning: Consolidating and Expanding the Potential of Analogue and Digital Games

For a long time, Games Research suffered from what Jaakko Stenros and Annika Waern classified as the Digital Fallacy – the tendency to regard analog games as a subset of digital games rather than the other way around. Where boardgames were once associated with the past of games and learning and digital games with the future, there are now fresh insights and applications for boardgames in learning – alongside with their renaissance as games for entertainment. Even as boardgames found new relevance in learning, the already-recognized possibilities in digital games for learning have continued to expand, with more flexible and ubiquitous tools and platforms allowing for a greater variety of avenues of learning research and practice to be explored. Augmented and mixed reality as well as virtual reality are frontiers in learning that beg for further exploration

A virtual versus an augmented reality cooking task based-tools: a behavioral and physiological study on the assessment of executive functions.

[EN] Virtual reality (VR) and augmented reality (AR) are two novel graphics immersive techniques (GIT) that, in the last decade, have been attracting the attention of many researchers, especially in psychological research. VR can provide 3D real-life synthetic environments in which controllers allow human interaction. AR overlays synthetic elements to the real world and the human gaze to target allow hand gesture to act with synthetic elements. Both techniques are providing more ecologically environments than traditional methods, and most of the previous researches, on one side, have more focused on the use of VR for treatment and assessment showing positive effectiveness results. On the other, AR has been proving for the treatment of specific disorders but there are no studies that investigated the feasibility and effectiveness of augmented reality in the neuropsychological assessment. Starting from these premises, the present study aimed to compare the performance and sense of presence using both techniques during an ecological task, such as cooking. The study included 50 cognitively healthy subjects. The cooking task consisted of 4 levels that increased in difficulty. As the level increased, additional activities appeared. The order of presentation of each exposure condition (AR and VR) was counterbalanced for each participant. The virtual reality-cooking task has been performed through ¿HTC/VIVE¿ and augmented reality through ¿Microsoft HoloLens¿.¿Furthermore, the study recorded and compared the psychophysiological changes (heart rate and skin conductance response) during the cooking task in both conditions. To measure the sense of presence occurring during the two exposure conditions, subjects completed the SUSQ and the ITC-SOPI immediately after each condition. The behavioral results showed that times are always lower in VR than in AR, increasing constantly in accordance with the difficulty of the tasks. Regarding physiological responses, the findings showed that AR condition produced more individual excitement and activation than VR. Finally, VR was able to produce higher levels of sense of presence than AR condition. The overall results support that VR currently represents the GIT with greater usability and feasibility compared to AR, probably due to the differences in the human-computer interaction between the two techniques.Chicchi-Giglioli, IA.; Bermejo Vidal, C.; Alcañiz Raya, ML. (2019). A virtual versus an augmented reality cooking task based-tools: a behavioral and physiological study on the assessment of executive functions. Frontiers in Psychology. 1-12. https://doi.org/10.3389/fpsyg.2019.02529S112Barratt, E. S. (1959). Anxiety and Impulsiveness Related to Psychomotor Efficiency. 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Effectiveness of Virtual Reality for Children and Adolescents with Autism Spectrum Disorder: An Evidence-Based Systematic Review

[EN] Autism Spectrum Disorder (ASD) is a neurodevelopmental disease that is specially characterized by impairments in social communication and social skills. ASD has a high prevalence in children, affecting 1 in 160 subjects. Virtual reality (VR) has emerged as an effective tool for intervention in the health field. Different recent papers have reviewed the VR-based treatments in ASD, but they have an important limitation because they only use clinical databases and do not include important technical indexes such as the Web of Science index or the Scimago Journal & Country Rank. To our knowledge, this is the first contribution that has carried out an evidence-based systematic review including both clinical and technical databases about the effectiveness of VR-based intervention in ASD. The initial search identified a total of 450 records. After the exclusion of the papers that are not studies, duplicated articles, and the screening of the abstract and full text, 31 articles met the PICO (Population, Intervention, Comparison and Outcomes) criteria and were selected for analysis. The studies examined suggest moderate evidence about the effectiveness of VR-based treatments in ASD. VR can add many advantages to the treatment of ASD symptomatology, but it is necessary to develop consistent validations in future studies to state that VR can effectively complement the traditional treatments.Mesa Gresa, P.; Gil Gómez, H.; Lozano Quilis, JA.; Gil-Gómez, J. (2018). Effectiveness of Virtual Reality for Children and Adolescents with Autism Spectrum Disorder: An Evidence-Based Systematic Review. Sensors. 18(8):1-15. https://doi.org/10.3390/s18082486S115188World Health Organizationhttp://www.who.int/en/news-room/fact-sheets/detail/autism-spectrum-disordersColombi, C., & Ghaziuddin, M. (2017). 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Integrating Virtual Reality With Activity Management for the Treatment of Fibromyalgia. The Clinical Journal of Pain, 31(6), 564-572. doi:10.1097/ajp.0000000000000196Bekelis, K., Calnan, D., Simmons, N., MacKenzie, T. A., & Kakoulides, G. (2017). Effect of an Immersive Preoperative Virtual Reality Experience on Patient Reported Outcomes. Annals of Surgery, 265(6), 1068-1073. doi:10.1097/sla.0000000000002094Orlosky, J., Itoh, Y., Ranchet, M., Kiyokawa, K., Morgan, J., & Devos, H. (2017). Emulation of Physician Tasks in Eye-Tracked Virtual Reality for Remote Diagnosis of Neurodegenerative Disease. IEEE Transactions on Visualization and Computer Graphics, 23(4), 1302-1311. doi:10.1109/tvcg.2017.2657018Areces, D., Rodríguez, C., García, T., Cueli, M., & González-Castro, P. (2016). Efficacy of a Continuous Performance Test Based on Virtual Reality in the Diagnosis of ADHD and Its Clinical Presentations. Journal of Attention Disorders, 22(11), 1081-1091. doi:10.1177/1087054716629711Phé, V., Cattarino, S., Parra, J., Bitker, M.-O., Ambrogi, V., Vaessen, C., & Rouprêt, M. (2016). Outcomes of a virtual-reality simulator-training programme on basic surgical skills in robot-assisted laparoscopic surgery. The International Journal of Medical Robotics and Computer Assisted Surgery, 13(2), e1740. doi:10.1002/rcs.1740Pulijala, Y., Ma, M., Pears, M., Peebles, D., & Ayoub, A. (2018). Effectiveness of Immersive Virtual Reality in Surgical Training—A Randomized Control Trial. Journal of Oral and Maxillofacial Surgery, 76(5), 1065-1072. doi:10.1016/j.joms.2017.10.002Jarrold, W., Mundy, P., Gwaltney, M., Bailenson, J., Hatt, N., McIntyre, N., … Swain, L. (2013). Social Attention in a Virtual Public Speaking Task in Higher Functioning Children With Autism. Autism Research, 6(5), 393-410. doi:10.1002/aur.1302Mishkind, M. C., Norr, A. M., Katz, A. C., & Reger, G. M. (2017). Review of Virtual Reality Treatment in Psychiatry: Evidence Versus Current Diffusion and Use. Current Psychiatry Reports, 19(11). doi:10.1007/s11920-017-0836-0Liu, X., Wu, Q., Zhao, W., & Luo, X. (2017). Technology-Facilitated Diagnosis and Treatment of Individuals with Autism Spectrum Disorder: An Engineering Perspective. Applied Sciences, 7(10), 1051. doi:10.3390/app7101051Van Bennekom, M. J., de Koning, P. P., & Denys, D. (2017). Virtual Reality Objectifies the Diagnosis of Psychiatric Disorders: A Literature Review. Frontiers in Psychiatry, 8. doi:10.3389/fpsyt.2017.00163Provoost, S., Lau, H. M., Ruwaard, J., & Riper, H. (2017). Embodied Conversational Agents in Clinical Psychology: A Scoping Review. Journal of Medical Internet Research, 19(5), e151. doi:10.2196/jmir.6553Lau, H. M., Smit, J. H., Fleming, T. M., & Riper, H. (2017). Serious Games for Mental Health: Are They Accessible, Feasible, and Effective? A Systematic Review and Meta-analysis. Frontiers in Psychiatry, 7. doi:10.3389/fpsyt.2016.00209Parsons, S. (2016). Authenticity in Virtual Reality for assessment and intervention in autism: A conceptual review. Educational Research Review, 19, 138-157. doi:10.1016/j.edurev.2016.08.001Den Brok, W. L. J. E., & Sterkenburg, P. S. (2014). Self-controlled technologies to support skill attainment in persons with an autism spectrum disorder and/or an intellectual disability: a systematic literature review. Disability and Rehabilitation: Assistive Technology, 10(1), 1-10. doi:10.3109/17483107.2014.921248Ip, H. H. S., Wong, S. W. L., Chan, D. F. Y., Byrne, J., Li, C., Yuan, V. S. N., … Wong, J. Y. W. (2018). Enhance emotional and social adaptation skills for children with autism spectrum disorder: A virtual reality enabled approach. Computers & Education, 117, 1-15. doi:10.1016/j.compedu.2017.09.010Chen, C.-H., Lee, I.-J., & Lin, L.-Y. (2016). Augmented reality-based video-modeling storybook of nonverbal facial cues for children with autism spectrum disorder to improve their perceptions and judgments of facial expressions and emotions. Computers in Human Behavior, 55, 477-485. doi:10.1016/j.chb.2015.09.033Didehbani, N., Allen, T., Kandalaft, M., Krawczyk, D., & Chapman, S. (2016). Virtual Reality Social Cognition Training for children with high functioning autism. Computers in Human Behavior, 62, 703-711. doi:10.1016/j.chb.2016.04.033Lorenzo, G., Lledó, A., Pomares, J., & Roig, R. (2016). Design and application of an immersive virtual reality system to enhance emotional skills for children with autism spectrum disorders. Computers & Education, 98, 192-205. doi:10.1016/j.compedu.2016.03.018Wade, J., Zhang, L., Bian, D., Fan, J., Swanson, A., Weitlauf, A., … Sarkar, N. (2016). A Gaze-Contingent Adaptive Virtual Reality Driving Environment for Intervention in Individuals with Autism Spectrum Disorders. ACM Transactions on Interactive Intelligent Systems, 6(1), 1-23. doi:10.1145/2892636Ke, F., & Lee, S. (2015). Virtual reality based collaborative design by children with high-functioning autism: design-based flexibility, identity, and norm construction. Interactive Learning Environments, 24(7), 1511-1533. doi:10.1080/10494820.2015.1040421Chen, C.-H., Lee, I.-J., & Lin, L.-Y. (2015). Augmented reality-based self-facial modeling to promote the emotional expression and social skills of adolescents with autism spectrum disorders. Research in Developmental Disabilities, 36, 396-403. doi:10.1016/j.ridd.2014.10.015Cheng, Y., Huang, C.-L., & Yang, C.-S. (2015). Using a 3D Immersive Virtual Environment System to Enhance Social Understanding and Social Skills for Children With Autism Spectrum Disorders. Focus on Autism and Other Developmental Disabilities, 30(4), 222-236. doi:10.1177/1088357615583473Kim, K., Rosenthal, M. Z., Gwaltney, M., Jarrold, W., Hatt, N., McIntyre, N., … Mundy, P. (2014). A Virtual Joy-Stick Study of Emotional Responses and Social Motivation in Children with Autism Spectrum Disorder. Journal of Autism and Developmental Disorders, 45(12), 3891-3899. doi:10.1007/s10803-014-2036-7Parsons, S. (2015). Learning to work together: Designing a multi-user virtual reality game for social collaboration and perspective-taking for children with autism. International Journal of Child-Computer Interaction, 6, 28-38. doi:10.1016/j.ijcci.2015.12.002Bai, Z., Blackwell, A. F., & Coulouris, G. (2015). Using Augmented Reality to Elicit Pretend Play for Children with Autism. IEEE Transactions on Visualization and Computer Graphics, 21(5), 598-610. doi:10.1109/tvcg.2014.2385092Bekele, E., Crittendon, J., Zheng, Z., Swanson, A., Weitlauf, A., Warren, Z., & Sarkar, N. (2014). Assessing the Utility of a Virtual Environment for Enhancing Facial Affect Recognition in Adolescents with Autism. Journal of Autism and Developmental Disorders, 44(7), 1641-1650. doi:10.1007/s10803-014-2035-8Escobedo, L., Tentori, M., Quintana, E., Favela, J., & Garcia-Rosas, D. (2014). Using Augmented Reality to Help Children with Autism Stay Focused. IEEE Pervasive Computing, 13(1), 38-46. doi:10.1109/mprv.2014.19Finkelstein, S., Barnes, T., Wartell, Z., & Suma, E. A. (2013). Evaluation of the exertion and motivation factors of a virtual reality exercise game for children with autism. 2013 1st Workshop on Virtual and Augmented Assistive Technology (VAAT). doi:10.1109/vaat.2013.6786186Maskey, M., Lowry, J., Rodgers, J., McConachie, H., & Parr, J. R. (2014). Reducing Specific Phobia/Fear in Young People with Autism Spectrum Disorders (ASDs) through a Virtual Reality Environment Intervention. PLoS ONE, 9(7), e100374. doi:10.1371/journal.pone.0100374Stichter, J. P., Laffey, J., Galyen, K., & Herzog, M. (2013). iSocial: Delivering the Social Competence Intervention for Adolescents (SCI-A) in a 3D Virtual Learning Environment for Youth with High Functioning Autism. Journal of Autism and Developmental Disorders, 44(2), 417-430. doi:10.1007/s10803-013-1881-0Bekele, E., Zheng, Z., Swanson, A., Crittendon, J., Warren, Z., & Sarkar, N. (2013). Understanding How Adolescents with Autism Respond to Facial Expressions in Virtual Reality Environments. IEEE Transactions on Visualization and Computer Graphics, 19(4), 711-720. doi:10.1109/tvcg.2013.42Cai, Y., Chia, N. K. H., Thalmann, D., Kee, N. K. N., Zheng, J., & Thalmann, N. M. (2013). Design and Development of a Virtual Dolphinarium for Children With Autism. IEEE Transactions on Neural Systems and Rehabilitation Engineering, 21(2), 208-217. doi:10.1109/tnsre.2013.2240700Ke, F., & Im, T. (2013). Virtual-Reality-Based Social Interaction Training for Children with High-Functioning Autism. The Journal of Educational Research, 106(6), 441-461. doi:10.1080/00220671.2013.832999Lorenzo, G., Pomares, J., & Lledó, A. (2013). Inclusion of immersive virtual learning environments and visual control systems to support the learning of students with Asperger syndrome. Computers & Education, 62, 88-101. doi:10.1016/j.compedu.2012.10.028Modugumudi, Y. R., Santhosh, J., & Anand, S. (2013). Efficacy of Collaborative Virtual Environment Intervention Programs in Emotion Expression of Children with Autism. Journal of Medical Imaging and Health Informatics, 3(2), 321-325. doi:10.1166/jmihi.2013.1167Wang, M., & Reid, D. (2013). Using the Virtual Reality-Cognitive Rehabilitation Approach to Improve Contextual Processing in Children with Autism. The Scientific World Journal, 2013, 1-9. doi:10.1155/2013/716890Milne, M., Luerssen, M. H., Lewis, T. W., Leibbrandt, R. E., & Powers, D. M. W. (2010). Development of a virtual agent based social tutor for children with autism spectrum disorders. The 2010 International Joint Conference on Neural Networks (IJCNN). doi:10.1109/ijcnn.2010.5596584Loomes, R., Hull, L., & Mandy, W. P. L. (2017). What Is the Male-to-Female Ratio in Autism Spectrum Disorder? A Systematic Review and Meta-Analysis. Journal of the American Academy of Child & Adolescent Psychiatry, 56(6), 466-474. doi:10.1016/j.jaac.2017.03.013Mesa-Gresa, P., Lozano, J. A., Llórens, R., Alcañiz, M., Navarro, M. D., & Noé, E. (2011). Clinical Validation of a Virtual Environment Test for Safe Street Crossing in the Assessment of Acquired Brain Injury Patients with and without Neglect. Lecture Notes in Computer Science, 44-51. doi:10.1007/978-3-642-23771-3_4Spreij, L. A., Visser-Meily, J. M. A., van Heugten, C. M., & Nijboer, T. C. W. (2014). Novel insights into the rehabilitation of memory post acquired brain injury: a systematic review. Frontiers in Human Neuroscience, 8. doi:10.3389/fnhum.2014.00993Pietrzak, E., Pullman, S., & McGuire, A. (2014). Using Virtual Reality and Videogames for Traumatic Brain Injury Rehabilitation: A Structured Literature Review. Games for Health Journal, 3(4), 202-214. doi:10.1089/g4h.2014.001

Embodiment and Presence in Virtual Reality After Stroke. A Comparative Study With Healthy Subjects

[EN] The ability of virtual reality (VR) to recreate controlled, immersive, and interactive environments that provide intensive and customized exercises has motivated its therapeutic use after stroke. Interaction and bodily presence in VR-based interventions is usually mediated through virtual selves, which synchronously represent body movements or responses to events on external input devices. Embodied self-representations in the virtual world not only provide an anchor for visuomotor tasks, but their morphologies can have behavioral implications. While research has focused on the underlying subjective mechanisms of exposure to VR on healthy individuals, the transference of these findings to individuals with stroke is not evident and remains unexplored, which could affect the experience and, ultimately, the clinical effectiveness of neurorehabilitation interventions. This study determined and compared the sense of embodiment and presence elicited by a virtual environment under different perspectives and levels of immersion in healthy subjects and individuals with stroke. Forty-six healthy subjects and 32 individuals with stroke embodied a gender-matched neutral avatar in a virtual environment that was displayed in a first-person perspective with a head-mounted display and in a third-person perspective with a screen, and the participants were asked to interact in a virtual task for 10 min under each condition in counterbalanced order, and to complete two questionnaires about the sense of embodiment and presence experienced during the interaction. The sense of body-ownership, self-location, and presence were more vividly experienced in a first-person than in a third-person perspective by both healthy subjects (p < 0.001, eta(2)(p) = 0.212; p = 0.005, eta(2)(p) = 0.101; p = 0.001, eta(2)(p) = 0.401, respectively) and individuals with stroke (p = 0.019, eta(2)(p) = 0.070; p = 0.001, eta(2)(p) = 0.135; p = 0.014, eta(2)(p) = 0.077, respectively). In contrast, no agency perspective-related differences were found in any group. All measures were consistently higher for healthy controls than for individuals with stroke, but differences between groups only reached statistical significance in presence under the first-person condition (p < 0.010, eta(2)(p) = 0.084). In spite of these differences, the participants experienced a vivid sense of embodiment and presence in almost all conditions. These results provide first evidence that, although less intensively, embodiment and presence are similarly experienced by individuals who have suffered a stroke and by healthy individuals, which could support the vividness of their experience and, consequently, the effectiveness of VR-based interventions.This study was funded by Ministerio de Economía y Competitividad of Spain (Project RTC-2017-6051-7 and Grant BES-2014-068218), Fundació la Marató de la TV3 (Grant 201701-10), and Universitat Politècnica de València (Grant PAID-10-18). We acknowledge the support of NVIDIA Corporation with the donation of the Titan Xp GPU used for this research.Borrego, A.; Latorre, J.; Alcañiz Raya, ML.; Llorens Rodríguez, R. (2019). Embodiment and Presence in Virtual Reality After Stroke. A Comparative Study With Healthy Subjects. Frontiers in Neurology. 10:1-8. https://doi.org/10.3389/fneur.2019.01061S1810Berlucchi, G., & Aglioti, S. (1997). The body in the brain: neural bases of corporeal awareness. Trends in Neurosciences, 20(12), 560-564. doi:10.1016/s0166-2236(97)01136-3Legrand, D. (2006). The Bodily Self: The Sensori-Motor Roots of Pre-Reflective Self-Consciousness. Phenomenology and the Cognitive Sciences, 5(1), 89-118. doi:10.1007/s11097-005-9015-6Arzy, S., Overney, L. S., Landis, T., & Blanke, O. (2006). Neural Mechanisms of Embodiment. Archives of Neurology, 63(7), 1022. doi:10.1001/archneur.63.7.1022De Vignemont, F. (2011). Embodiment, ownership and disownership. Consciousness and Cognition, 20(1), 82-93. doi:10.1016/j.concog.2010.09.004Giummarra, M. J., Gibson, S. J., Georgiou-Karistianis, N., & Bradshaw, J. L. (2008). Mechanisms underlying embodiment, disembodiment and loss of embodiment. Neuroscience & Biobehavioral Reviews, 32(1), 143-160. doi:10.1016/j.neubiorev.2007.07.001Ma, K., & Hommel, B. (2015). The role of agency for perceived ownership in the virtual hand illusion. Consciousness and Cognition, 36, 277-288. doi:10.1016/j.concog.2015.07.008Kilteni, K., Maselli, A., Kording, K. P., & Slater, M. (2015). Over my fake body: body ownership illusions for studying the multisensory basis of own-body perception. Frontiers in Human Neuroscience, 9. doi:10.3389/fnhum.2015.00141Clark, A., Kiverstein, J., & Vierkant, T. (Eds.). (2013). Decomposing the Will. doi:10.1093/acprof:oso/9780199746996.001.0001Frith, C. D., Blakemore, S.-J., & Wolpert, D. M. (2000). Abnormalities in the awareness and control of action. Philosophical Transactions of the Royal Society of London. Series B: Biological Sciences, 355(1404), 1771-1788. doi:10.1098/rstb.2000.0734Bermúdez i Badia, S., Fluet, G. G., Llorens, R., & Deutsch, J. E. (2016). Virtual Reality for Sensorimotor Rehabilitation Post Stroke: Design Principles and Evidence. Neurorehabilitation Technology, 573-603. doi:10.1007/978-3-319-28603-7_28Perez-Marcos, D., Sanchez-Vives, M. V., & Slater, M. (2011). Is my hand connected to my body? The impact of body continuity and arm alignment on the virtual hand illusion. Cognitive Neurodynamics, 6(4), 295-305. doi:10.1007/s11571-011-9178-5IJsselsteijn, W. A., de Kort, Y. A. W., & Haans, A. (2006). Is This My Hand I See Before Me? The Rubber Hand Illusion in Reality, Virtual Reality, and Mixed Reality. Presence: Teleoperators and Virtual Environments, 15(4), 455-464. doi:10.1162/pres.15.4.455Banakou, D., Groten, R., & Slater, M. (2013). Illusory ownership of a virtual child body causes overestimation of object sizes and implicit attitude changes. Proceedings of the National Academy of Sciences, 110(31), 12846-12851. doi:10.1073/pnas.1306779110Yee, N., & Bailenson, J. (2007). The Proteus Effect: The Effect of Transformed Self-Representation on Behavior. Human Communication Research, 33(3), 271-290. doi:10.1111/j.1468-2958.2007.00299.xSteed, A., Frlston, S., Lopez, M. M., Drummond, J., Pan, Y., & Swapp, D. (2016). An ‘In the Wild’ Experiment on Presence and Embodiment using Consumer Virtual Reality Equipment. IEEE Transactions on Visualization and Computer Graphics, 22(4), 1406-1414. doi:10.1109/tvcg.2016.2518135Colomer, C., Llorens, R., Noé, E., & Alcañiz, M. (2016). Effect of a mixed reality-based intervention on arm, hand, and finger function on chronic stroke. Journal of NeuroEngineering and Rehabilitation, 13(1). doi:10.1186/s12984-016-0153-6Laver, K. E., Lange, B., George, S., Deutsch, J. E., Saposnik, G., & Crotty, M. (2017). Virtual reality for stroke rehabilitation. Cochrane Database of Systematic Reviews. doi:10.1002/14651858.cd008349.pub4Llorens, R., Borrego, A., Palomo, P., Cebolla, A., Noé, E., i Badia, S. B., & Baños, R. (2017). Body schema plasticity after stroke: Subjective and neurophysiological correlates of the rubber hand illusion. Neuropsychologia, 96, 61-69. doi:10.1016/j.neuropsychologia.2017.01.007Zeller, D., Gross, C., Bartsch, A., Johansen-Berg, H., & Classen, J. (2011). Ventral Premotor Cortex May Be Required for Dynamic Changes in the Feeling of Limb Ownership: A Lesion Study. Journal of Neuroscience, 31(13), 4852-4857. doi:10.1523/jneurosci.5154-10.2011Folstein, M. F., Folstein, S. E., & McHugh, P. R. (1975). «Mini-mental state». Journal of Psychiatric Research, 12(3), 189-198. doi:10.1016/0022-3956(75)90026-6Romero, M., Sánchez, A., Marín, C., Navarro, M. D., Ferri, J., & Noé, E. (2012). Clinical usefulness of the Spanish version of the Mississippi Aphasia Screening Test (MASTsp): validation in stroke patients. Neurología (English Edition), 27(4), 216-224. doi:10.1016/j.nrleng.2011.06.001Latorre, J., Llorens, R., Colomer, C., & Alcañiz, M. (2018). Reliability and comparison of Kinect-based methods for estimating spatiotemporal gait parameters of healthy and post-stroke individuals. Journal of Biomechanics, 72, 268-273. doi:10.1016/j.jbiomech.2018.03.008Lloréns, R., Noé, E., Naranjo, V., Borrego, A., Latorre, J., & Alcañiz, M. (2015). Tracking Systems for Virtual Rehabilitation: Objective Performance vs. Subjective Experience. A Practical Scenario. Sensors, 15(3), 6586-6606. doi:10.3390/s150306586Slater, M., & Steed, A. (2000). A Virtual Presence Counter. Presence: Teleoperators and Virtual Environments, 9(5), 413-434. doi:10.1162/105474600566925Slater, M., Spanlang, B., Sanchez-Vives, M. V., & Blanke, O. (2010). First Person Experience of Body Transfer in Virtual Reality. PLoS ONE, 5(5), e10564. doi:10.1371/journal.pone.0010564Petkova, V. I., Khoshnevis, M., & Ehrsson, H. H. (2011). The Perspective Matters! Multisensory Integration in Ego-Centric Reference Frames Determines Full-Body Ownership. Frontiers in Psychology, 2. doi:10.3389/fpsyg.2011.00035Maselli, A., & Slater, M. (2013). The building blocks of the full body ownership illusion. Frontiers in Human Neuroscience, 7. doi:10.3389/fnhum.2013.00083Debarba, H. G., Molla, E., Herbelin, B., & Boulic, R. (2015). Characterizing embodied interaction in First and Third Person Perspective viewpoints. 2015 IEEE Symposium on 3D User Interfaces (3DUI). doi:10.1109/3dui.2015.7131728Burin, D., Livelli, A., Garbarini, F., Fossataro, C., Folegatti, A., Gindri, P., & Pia, L. (2015). Are Movements Necessary for the Sense of Body Ownership? Evidence from the Rubber Hand Illusion in Pure Hemiplegic Patients. PLOS ONE, 10(3), e0117155. doi:10.1371/journal.pone.0117155Post-stroke cognitive disorders TeasellR SalterK FaltynekP CotoiA EskesG Evidence-Based Review of Stroke Rehabilitatio

New frontiers in the neuroscience of the sense of agency

The sense that I am the author of my own actions, including the ability to distinguish my own from other people's actions, is a fundamental building block of our sense of self, on the one hand, and successful social interactions, on the other. Using cognitive neuroscience techniques, researchers have attempted to elucidate the functional basis of this intriguing phenomenon, also trying to explain pathological abnormalities of action awareness in certain psychiatric and neurological disturbances. Recent conceptual, technological, and methodological advances suggest several interesting and necessary new leads for future research on the neuroscience of agency. Here I will describe new frontiers for the field such as the need for novel and multifactorial paradigms, anatomically plausible network models for the sense of agency, investigations of the temporal dynamics during agentic processing and ecologically valid virtual reality (VR) applications

Mixed reality for cross-cultural integration. Using positive technology to share experiences and promote communication

The opinion article highlights some innovative resources to deal with the challenges of migrations, relying in the field of positive technologies and, more specifically, in the concept of mixed reality. In the contemporary society, migrations are a common phenomenon that rises cultural and psycho-social issues, as well as political and economic challenges. People move from their place of origin for educational or professional purposes or because they are forced to leave due to political, economic and social conditions, and also natural disasters which produce population flows. Whatever the push and pull factors are, when people move permanently or temporarily they tend to maintain close ties with their place of origin (with people, places, culture, practices etc.), while trying to develop attachment with the place of residence. Immigrants construct their identities in the context of a negotiation between old and new homes’ contexts. However, such a process is not free from issues and relevant consequences on immigrants’ well-being. Some psychosocial issues can be identified regarding identity re-negotiation while moving to a different place, and cultural integration: immigrants could experience feeling of isolation, estrangement and alienation, related to the difficulty to create strong social ties in the new place; the “acculturation stress” associated to adaptation to new culture, language and practices. Positive technologies offer innovative resources to deal with these challenges, by considering the human health and well-being as the main objective for technological advancement. In a broad sense, Positive technology may be used to structure, augment or replace user experience with digital content; also, positive devices may be used to promote positive emotions (hedonic technology), to support the user in the achievement of engaging and self-actualizing experiences (eudaimonic technology), and to enhance connectedness among individuals, groups and societies (social-interpersonal technologies). In such perspective, the mixed reality technology provides resources for intervention in that it is based on the addition of digital elements in the physical environment, instead of its substitution with an immersive experience which, in this case, may act as a palliative care for sadness but does not help to integrate oneself in a new, “real” physical environment and social context. Specifically, mixed reality based Positive technologies can help in maintaining the relation with the home country, and also in fostering the inclusion in and attachment to the receiving society, by providing users with sources of identification that stretch beyond the national and local contexts of their old and new homes. Addressing the social connectedness, the mixed reality can provide the medium to share the meanings that people attach to places, people and cultures, and creating belonging in the receiving society. Indeed, people can better approach the receiving society by understanding the cultural meanings connected with places, history and activities. The concept expressed in the opinion article is still in its infancy. However, it provides an innovative idea for positive technology (at the social-interpersonal level), which may guide the development of future devices and applications for enhancing health and well-being in the growing population looking for a new life in places distant from home

Psychological treatments and psychotherapies in the neurorehabilitation of pain. Evidences and recommendations from the italian consensus conference on pain in neurorehabilitation

BACKGROUND: It is increasingly recognized that treating pain is crucial for effective care within neurological rehabilitation in the setting of the neurological rehabilitation. The Italian Consensus Conference on Pain in Neurorehabilitation was constituted with the purpose identifying best practices for us in this context. Along with drug therapies and physical interventions, psychological treatments have been proven to be some of the most valuable tools that can be used within a multidisciplinary approach for fostering a reduction in pain intensity. However, there is a need to elucidate what forms of psychotherapy could be effectively matched with the specific pathologies that are typically addressed by neurorehabilitation teams. OBJECTIVES: To extensively assess the available evidence which supports the use of psychological therapies for pain reduction in neurological diseases. METHODS: A systematic review of the studies evaluating the effect of psychotherapies on pain intensity in neurological disorders was performed through an electronic search using PUBMED, EMBASE, and the Cochrane Database of Systematic Reviews. Based on the level of evidence of the included studies, recommendations were outlined separately for the different conditions. RESULTS: The literature search yielded 2352 results and the final database included 400 articles. The overall strength of the recommendations was medium/low. The different forms of psychological interventions, including Cognitive-Behavioral Therapy, cognitive or behavioral techniques, Mindfulness, hypnosis, Acceptance and Commitment Therapy (ACT), Brief Interpersonal Therapy, virtual reality interventions, various forms of biofeedback and mirror therapy were found to be effective for pain reduction in pathologies such as musculoskeletal pain, fibromyalgia, Complex Regional Pain Syndrome, Central Post-Stroke pain, Phantom Limb Pain, pain secondary to Spinal Cord Injury, multiple sclerosis and other debilitating syndromes, diabetic neuropathy, Medically Unexplained Symptoms, migraine and headache. CONCLUSIONS: Psychological interventions and psychotherapies are safe and effective treatments that can be used within an integrated approach for patients undergoing neurological rehabilitation for pain. The different interventions can be specifically selected depending on the disease being treated. A table of evidence and recommendations from the Italian Consensus Conference on Pain in Neurorehabilitation is also provided in the final part of the pape