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Gordon Legge, Ph.D. Professor, Department of Psychology E-mail: legge@umn.edu Professor Legge's Homepage

Research Interests:

I specialize in visual perception with a cognitive-neuroscience perspective. My interests include studies of pattern vision (binocular summation, stereopsis, and contrast coding), the role of vision in real-world tasks (especially reading), disabilities associated with impaired vision, and the integration of vision, cognition and motor control in reading and object perception.

A major focus of my research has been the application of the principles of basic visual science to explain the difficulties encountered by people with impaired vision in everyday activities, especially reading. one practical outcome of this research is the recent development of the MNREAD Acuity Chart, a new eye chart for testing normal and impaired vision.

Selected Publications:

(For a comprehensive list of recent publications, refer to PubMed, a service provided by the National Library of Medicine.)

Cheong AM, Legge GE, Lawrence MG, Cheung SH, Ruff MA. Relationship between slow visual processing and reading speed in people with macular degeneration. Vision Res. 2007 Oct;47(23):2943-55.

Kwon M, Legge GE, Dubbels BR. Developmental changes in the visual span for reading. Vision Res. 2007 Oct;47(22):2889-900.

Giudice NA, Bakdash JZ, Legge GE. Wayfinding with words: spatial learning and navigation using dynamically updated verbal descriptions. Psychol Res. 2007 May;71(3):347-58.

Kallie CS, Schrater PR, Legge GE. Variability in stepping direction explains the veering behavior of blind walkers. J Exp Psychol Hum Percept Perform. 2007 Feb;33(1):183-200.

Stankiewicz BJ, Legge GE, Mansfield JS, Schlicht EJ. Lost in virtual space: studies in human and ideal spatial navigation. J Exp Psychol Hum Percept Perform. 2006 Jun;32(3):688-704.

Sass SM, Legge GE, Lee HW. Low-vision reading speed: influences of linguistic inference and aging. Optom Vis Sci. 2006 Mar;83(3):166-77.

Cheung SH, Legge GE. Functional and cortical adaptations to central vision loss. Vis Neurosci. 2005 Mar-Apr;22(2):187-201.

Chung ST, Legge GE, Cheung SH. Letter-recognition and reading speed in peripheral vision benefit from perceptual learning. Vision Res. 2004 Mar;44(7):695-709.

Lee HW, Legge GE, Ortiz A. Is word recognition different in central and peripheral vision? Vision Res. 2003 Dec;43(26):2837-46.

Legge G.E., T.A. Hooven, T.S. Klitz, J.S. Mansfield & B.S. Tjan. Mr. Chips 2002: New insights from an ideal-observer model of reading. Vision Research, 42, 2219-2234, 2002.

Chung S.T.L., G.E. Legge & B.S. Tjan. Spatial-frequency characteristics of letter identification in central and peripheral vision. Vision Research, 42, 2137-2152, 2002.

Bruggeman H. & G.E. Legge. Psychophysics of reading. XIX. Hypertext search and retrieval with low vision. Proceedings of the IEEE, 90, 94-103, 2002.