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Variability of eye movements when viewing dynamic natural scenes.
How similar are the eye movement patterns of different subjects when free viewing dynamic natural scenes? We collected a large database of eye movements from 54 subjects on 18 high-resolution videos… Expand
Grasping Visual Illusions: No Evidence for a Dissociation Between Perception and Action
- V. Franz, K. Gegenfurtner, H. Bülthoff, M. Fahle
- Medicine, Psychology
- Psychological science
- 1 January 2000
Neuropsychological studies prompted the theory that the primate visual system might be organized into two parallel pathways, one for conscious perception and one for guiding action. Supporting… Expand
Cortical mechanisms of colour vision
- K. Gegenfurtner
- Psychology, Medicine
- Nature Reviews Neuroscience
- 1 July 2003
The perception of colour is a central component of primate vision. Colour facilitates object perception and recognition, and has an important role in scene segmentation and visual memory. Moreover,… Expand
Functional properties of neurons in macaque area V3.
We investigated the functional properties of neurons in extrastriate area V3. V3 receives inputs from both magno- and parvocellular pathways and has prominent projections to both the middle temporal… Expand
Differences in fixations between grasping and viewing objects.
Where exactly do people look when they grasp an object? An object is usually contacted at two locations, whereas the gaze can only be at one location at the time. We investigated participants'… Expand
Memory modulates color appearance
- T. Hansen, M. Olkkonen, S. Walter, K. Gegenfurtner
- Medicine, Biology
- Nature Neuroscience
- 15 October 2006
We asked human observers to adjust the color of natural fruit objects until they appeared achromatic. The objects were generally perceived to be gray when their color was shifted away from the… Expand
Contrast detection in luminance and chromatic noise.
- K. Gegenfurtner, D. Kiper
- Physics, Medicine
- Journal of the Optical Society of America. A…
- 1 November 1992
We measured detection thresholds for a vertically oriented 1.2-cycle-per-degree sine-wave grating embedded in spatiotemporal broadband noise. Noise and signal were modulated in different directions… Expand
Differential aging of motion processing mechanisms: Evidence against general perceptual decline
While the percentage of older people in our society is steadily increasing, knowledge about perceptual changes during healthy aging is still limited. We investigated age effects on visual motion… Expand
Grasping visual illusions: Consistent data and no dissociation
The finding that the Ebbinghaus/Titchener illusion deceives perception but not grasping is usually seen as strong evidence for Goodale and Milner's (1992) notion of two parallel visual systems, one… Expand
Contrast dependence of colour and luminance motion mechanisms in human vision
CONVENTIONAL views of visual perception propose a colour-blind pathway conveying motion information and a motion-blind pathway carrying colour information1,2. Recent studies show that motion… Expand