"The Role of Visual Cues in Microgravity Spatial Orientation", The Neurolab Spacelab Mission:Neuroscience Research In Space, vol. NASA SP-2003-535, Houston, TX, NASA Johnson Space Center, pp. 69-82, 2003.
"Human Orientation in Prolonged Weightlessness (ISS HRF-E085)", Conference on International Space Station Utilization, Cape Canaveral, FL, American Institute for Aeronautics and Astronautics, 2001.
"Role of visual cues in microgravity spatial orientation", NASA STS-90 Neurolab Spacelab Mission Symposium, National Academy of Sciences, Washington, DC, National Academy of Sciences, May, 1999.
"Advanced Displays and Controls for Six Degree of Freedom Orientation and Navigation in Virtual Microgravity", USRA Bioastronautics Investigator's Workshop, Galveston, TX, Universities Space Research Association, Division of Space Biomedicine, pp. Paper 9, 2001.
"Human Visual Orientation In Unfamiliar Gravito-Inertial Environments. ", First Biennial USRA Space Biomedical Investigators Workshop, League City, TX, Universities Space Research Association, Division of Space Biomedicine, pp. 429-431, Jan 11-13, 1999.
"Neurolab Experiments on the Role of Visual Cues in Microgravity Spatial Orientation (abstract)", 12th Man-In-Space Symposium, "The Future of Humans in Space", Washington, DC, 1997.
"Spacecraft in Miniature: A Tool for the acquisition of mental representations of large, complex 3-D virtual environments", International Conference on Technologies for Human Factors and Psycho-Social Adaptation in Space and Terrestrial Applications (Human.Systems 2001: Exploring the Human Frontier), Houston, TX, Institute for Advanced Interdisciplinary Research, Houston TX, 2001.
"STS-90 Experiments on the Role of Visual Cues in Microgravity Spatial Orientation", USRA Bioastronautics Investigators Workshop, Galveston, TX, Universities Space Research Association, Divsion of Space Biomedicine, 2001.
" Neurolab experiments on the role of visual cues in microgravity spatial orientation (abstract)", Aviat Space Environ Med, vol. 71, no. 3, pp. 283, 2000.
"“Spacecraft in miniature”: a tool for the acquisition of mental representations of large environments", Journal of Vestibular Research, vol. 11, no. 3-5, pp. 338-339, 2002.
"Three dimensional spatial memory and learning in real and virtual environments", Spatial Cognition and Computation, vol. 2, pp. 355-372, 2002.
"Training, transfer, and retention of three-dimensional spatial memory in virtual environments", Journal of Vestibular Research, vol. 12, no. 5-6, pp. 223-238, 2003.