Episode guides

Each episode comes equipped with an overview, discussion questions and prompts, timestamps, and an outline of the talk. Press the respective Episode Guide button to view each video's items.

stephen gilbert, ph.d.

Associate Director, Virtual Reality Applications Center, Iowa State University

XR Advance: Series Overview


Dr. Douglas Bowman presents various elements such as selection, manipulation, and physics coherence. Additionally, Dr. Bowman highlights four principle challenges faced by developers and the innovative research behind potential solutions.

Published 10 January 2019

Douglas A. bowman, PH.D.

Frank J. Maher Professor of Computer Science, Center for Human Computer Interaction, Virginia Tech

Ep. 1: Research Challenges in 3D User Interfaces for Extended Reality

Research Interests:

  • 3D interaction techniques
  • 3D user interfaces
  • Fidelity in VR/AR and its effects
  • Gestures and natural interaction
  • Locomotion in VR


Dr. Bas Rokers presents his experience and research relating to the human perception of motion in virtual realms, head movement in extended reality, and the correlation between sensitivity and cybersickness.

Published 18 February 2019

Bas rokers, PH.D.

Associate Professor of Psychology, University of Wisconsin-Madison

Ep. 2: Predicting and Preventing Cybersickness

Research Interests:

  • Neural basis of motion perception
  • Binocular visual disorders (amblyopia, glaucoma, cataracts)
  • Computational models of motion (mis)perception
  • Orientation, navigation and education in VR


Dr. Walter Boot presents on the benefits, barriers, and potential solutions of XR gaming for older adults. Although the comparisons between younger and older players may be predictable in most cases, Dr. Boot discovers a surprising result when examining cybersickness.

Published 25 February 2019

Walter Boot, PH.D.

Associate Professor of Psychology, Director of the Attention and Training Lab, Florida State University

Ep. 3: The Design of Gaming and XR Experiences for Older Adults

Research Interests:

  • Visual cognition, training, and transfer of training
  • Video games as a means to improve perceptual and cognitive abilities, especially in older adults
  • Visual search, attention capture, eye movement control, and visual attention across the lifespan


Dr. Jonathan Kelly presents several experiments relating to spatial cognition in virtual realms. Dr. Kelly explores how different aspects of an environment can influence a user’s mental mapping.

Published 25 March 2019

Jonathan Kelly, ph.d.

Associate Professor of Psychology, Iowa State University

Ep. 4: Spatial Navigation: A Concordance Framework

Research Interests:

  • Spatial memory
  • Navigation
  • Space perception
  • Visual control of action


Dr. Evan Suma Rosenberg presents on redirection and illusion in the virtual environment. Applications of his developed techniques will expand the virtual space and enable developers to create synthetic magic.

Published 8 April 2019

evan suma rosenberg, ph.d.

Assistant Professor of Computer Science and Engineering, University of Minnesota

Ep. 5: Making Small Spaces Feel Large: Practical Illusions in Virtual Reality

Research Interests:

  • Virtual, augmented, and mixed reality
  • Redirected walking and locomotion interfaces
  • Human perception and cognition
  • Digitization of real world objects, people, and behaviors


Dr. Alexander Klippel presents his research employing virtual environments for educational purposes. Dr. Klippel highlights the challenges of providing the technology to classes as well as the opportunities offered by virtual field trips.

Published 15 April 2019

Alexander Klippel, PH.D.

Professor of Geography, Pennsylvania State University

Ep. 6: Platial Cognition - the Need for Research Frameworks

Research Interests:

  • XR applications for earth sciences, archaeology, (landscape) architecture, ecology
  • Visualizing output from ecological models to make climate change accessible
  • Immersive visual analytics
  • Immersive workbench for geosciences and archaeology
  • Wayfinding and navigation in/with VR/AR
  • XR for education (earth sciences)


Dr. Victoria Interrante presents on her experience researching the uses for and challenges of virtual reality in architecture. Dr. Interrante discusses avatars and other methods to promote accurate distance judgements and spatial cognition in VR.

Published 16 April 2019

Victoria Interrante, ph.d.

Director of the Center of Cognitive Sciences, University of Minnesota

Ep. 7: Facilitating Accurate Spatial Perception in Immersive Architectural Environments

Research Interests:

  • Facilitating inter-personal interaction in HMD-based VR (“social VR”)
  • Enabling self-embodiment in HMD-based VR (3D video-based, avatar-based)
  • Ensuring accurate spatial perception and cognition in virtual environments
  • Architectural applications of VR and AR
  • Virtual humans (e.g. to create realistically populated virtual environments)
  • Redirection (using perceptual illusions to enhance VR experiences)


Dr. Gregory Welch presents on a plethora of tracking methods, their current applications, and future opportunities for mixed source integration. Dr. Welch explains several physical mediums and technologies for tracking including inertial, acoustic, magnetic, mechanical, optical, and radio frequency.

Published 22 April 2019

Gregory welch, ph.d.

Co-Director Synthetic Reality Lab, Institute for Simulation & Training, University of Central Florida

Ep. 8: Identifying User Physical States

Research Interests:

  • Human-Computer Interaction
  • Virtual and Augmented Reality
  • 3D Telepresence
  • Computer Graphics and Vision
  • Sensing & Stochastic Estimation


Dr. Nora Newcombe presents research on spatial cognition and the construction of mental maps. Dr. Newcombe discusses results which exhibit individual differences in spatial abilities among a variety of participants.

Published 29 April 2019

Nora S. Newcombe, Ph.d.

Laura H. Carnell Professor of Psychology, Temple University

Ep. 9: Cognitive Maps: Some People Make Them, Some People Struggle

Research Interests:

  • Spatial cognition and development
  • Individual differences
  • Applications to STEM learning