Computational Theories of Perception. Spatial filtering and spatial primitives in early vision. The relative importance of local phase and local amplitude in patchwise image reconstruction. Biological Asymmetry and Handedness. Spatial filtering precedes motion detection.
Dichromats break colour-camouflage of textural boundaries.
On the scaling of size judgments by angular cues. Ambiguous motion in a 2-frame motion sequence. The effects of adaptation and masking on incremental thresholds for contrast. Motion displacement thresholds prdicted from the displacement of centroids. Psychophysical evidence for a signed-colour input to motion detection.