Clemson University » department of psychology » Visual Perception & performance Lab
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Research goals

  • Blend basic and applied research to improve our understanding of human visual capabilities and limitations, especially in challenging conditions such as night driving
  • Reduce societal problems that result from visual limitations

5 Recent Publications

Wood, J.M., Tyrrell, R.A., Marszalek, R., Lacherez, P., Chaparro, A. & Britt, T.W. (2011). Using biological motion to enhance the conspicuity of roadway workers. Accident Analysis & Prevention, 43, 1036-1041.
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Wood, J.M., Tyrrell, Marszalek, R., Lacherez, P., Carberry, T.P., Chu, B.S., & King, M.J. (2010). Cyclist visibility at night-time: Perceptions of visibility do not necessarily match reality. The Journal of the Australasian College of Road Safety, 21, 56-60.
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Moss, J.D., Muth, E.R., Tyrrell, R.A., & Stephens, B.R. (2010). Perceptual thresholds for visual lag: Effects of field of view and psychophysical technique. Displays, 31, 143-149.
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Tyrrell, R.A., Wood, J.M., Chaparro, A., Carberry, T.P., Chu, B.S., & Marszalek, R.P. (2009). Seeing pedestrians at night: Visual clutter does not mask biological motion. Accident Analysis & Prevention, 41, 506-512.
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Balk, S.A., Tyrrell, R.A., Brooks, J.O., & Carpenter, T.L. (2008). Highlighting human form and motion information enhances the conspicuity of pedestrians at night. Perception, 37, 1276-1284.
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5 Recent Presentations

Balk, S.A., & Tyrrell, R.A. (2011). The (in)accuracy of estimations of our own visual acuity in the presence of glare. Submitted for presentation at the 2011 Annual Meeting of the Human Factors and Ergonomics Society, Las Vegas, NV.

Stafford, A.A., Whetsel, S.A., Balk, S.B., Ballou, D.S., & Tyrrell, R.A. (2011, September). The accuracy of drivers' judgments of the effects of headlight glare on the visibility of a low contrast object. Scheduled for presentation at the 2011 Annual Meeting of the Human Factors and Ergonomics Society, Las Vegas, NV.

Whetsel, S.A., Rosenberg, R.L., Balk, S.A., & Tyrrell, R.A. (2011, September). Pedestrians' estimates of their own visibility at night are not reduced when headlights are severely weakened. Scheduled for presentation at the 2011 Annual Meeting of the Human Factors and Ergonomics Society, Las Vegas, NV.

Crisler, M.C., & Tyrrell, R.A. (2011, January). Do drivers know that being distracted impairs their ability to respond to events more than their ability to maintain lane position? Presented at the 2011 Annual Meeting of the Transportation Research Board, Washington, DC.

Wood, J.M., Tyrrell, R.A., Chaparro, A., Marszalek, R. Carberry, T.P., & Chu, B.S. (2010, January). Reduction of pedestrian visibility at night by modest visual impairments and headlamp glare. Presented at the 2010 Annual Meeting of the Transportation Research Board, Washington, DC.