Dr Simon Cropper

BSc (hons) Newcastle upon Tyne, UK; PhD Newcastle upon Tyne, UK

Senior Lecturer

Contact details:

Research Interests:

• Motion perception
• The discrepancy between excitation and sensation in the visual system
• The evolution of thought in psychology

• Colour perception

Professional Associations, Memberships & Awards:

• Association for the Public University (President)
• Member of the Vision Sciences Society

Book Chapters

Cropper, S. J. (2001). Local and global motion signals and their interaction in space and time. In J. M. Zanker, J. Zeil (Ed), Motion Vision - Computational, Neural, and Ecological Constraints. Springer-Verlag ( Berlin ). pp 125-140.

Journal Articles

Cropper, S. J. (1994) Velocity discrimination in chromatic gratings and beats. Vision Research. 34, 41-48.

Cropper, S. J. & Derrington, A. M. (1994) Motion of chromatic stimuli: First-order or second-order? Vision Research. 34, 49-58.

Cropper, S. J. & Badcock, D. R. (1994) Discriminating smooth from sampled motion: Chromatic and luminance stimuli. Journal of the Optical Society of America, A,11(2), 515-530.

Cropper, S. J., Badcock, D. R. & Hayes, A. (1994) On the role of second-order signals in the perceived direction of type II plaid patterns. Vision Research, 34,2609-2612.

Cropper, S. J. & Derrington, A. M. (1995). Detection and motion-detection in chromatic and luminance beats. Journal of the Optical Society of America, A, 13(3). 401-407.

Cropper, S. J. & Derrington, A. M. (1996) Rapid, colour-specific motion detection in the human visual system. Nature. 379, 72-74 .

Cropper, S. J., Mullen, K. T. & Badcock, D.R. (1996) Motion coherence across different chromatic axes. Vision Research ,36, 2475-2489.

Mullen, K. T., Cropper, S. J. & Losada, M. A. (1997) Absence of subthreshold summation between red-green and luminance mechanisms over a wide range of spatio-temporal conditions. Vision Research, 37, 1157-1167.

Cropper, S. J. & Hammett, S. T. (1997) Adaptation to motion of a second-order pattern: The motion aftereffect is not a general result. Vision Research, 37, 2247-2259

Cropper, S. J. (1998) The detection of chromatic and luminance contrast-modulation by the visual system. Journal of the Optical Society of America, A,15(8), 1969-1986.

Cropper S. J. & Johnston, A. (2001) The motion of contrast-envelopes: Peace and Noise . Journal of the Optical Society of America, A, 18(9,) 2237-2254

Cropper, S. J. (2005). The detection of motion in chromatic stimuli: First-order and second-order spatial structure. Vision Research, 45(7), 865-880.

Cropper, S. J. (2005). The detection of motion in chromatic stimuli: Pedestals and masks. Vision Research, (In Press).

Cropper, S. J. & Wuerger, S. M. (2005). The detection of motion in chromatic stimuli: A critical review. Behavioural and Cognitive Science Reviews, (Invited for publication).

Wuerger. S.M., Atkinson., P. & Cropper, S.J. (2005) Unique hues are linearly related to cone signals. Vision Research, 45, (in Press)

Student under Supervision:

Eileen Robinson (Honours)