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Motions of Parts and Wholes: An Exogenous Reference-Frame Model of Non-Retinotopic Processing

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Binocular suppression occurs in object-centered coordinates

Michael Herzog, Marco Boi, Marcus Leonardus Vergeer

In binocular rivalry, only one image is perceived consciously when different, incompatible images are presented to the left and right eye, respectively. The other image is suppressed. Binocular suppression is generally assumed to occur within retinotopic c ...

Association for Research in Vision and Ophthalmology2012

Non-retinotopic encoding of motion integration revealed by high-density EEG

Michael Herzog, Gijs Plomp, Yvonne Evelina Thunell

Under normal viewing conditions, due to the motion of objects and to eye movements, the retinotopic representation of the environment constantly changes. Yet we perceive the world as stable, and we easily keep track of moving objects. Here, we investigated ...

2012

Neural correlates of non-retinotopic motion integration

Michael Herzog, Gijs Plomp, Yvonne Evelina Thunell

Association for Research in Vision and Ophthalmology2012

Motion and tilt aftereffects occur largely in retinal, not in object coordinates

Michael Herzog, Marco Boi

A variety of aftereffects was found to be processed non-retinotopically. Other studies failed to ﬁnd non-retinotopic aftereffects. These experiments relied on paradigms involving eye movements. We have developed a paradigm, based on the Ternus–Pikler displ ...

Pion2011

Motion and tilt aftereffects occur largely in retinal, not in object, coordinates in the Ternus-Pikler display

Michael Herzog, Marco Boi

Recent studies have shown that a variety of aftereffects occurs in a non-retinotopic frame of reference. These findings have been taken as strong evidence that remapping of visual information occurs in a hierarchic manner in the human cortex with an increa ...

Association for Research in Vision and Ophthalmology2011

The visual saliency map is non-retinotopic

Michael Herzog, Marco Boi, Marcus Leonardus Vergeer

Most visual search models rely on a retinotopic saliency map. Here, we provide evidence that visual saliency is computed non-retinotopically. Recently, it was shown that attention can operate in a non-retinotopic reference frame by inserting a search displ ...

Pion2011

Non-retinotopic perceptual learning

Michael Herzog, Thomas Otto

Perceptual learning is usually specific for the encoded stimuli. For example, improvements in performance for a certain stimulus do not transfer if the stimulus is rotated by 90 degree or is presented at a different location. These findings are usually tak ...

the Association for Research in Vision and Ophthalmology2011

A New Approach to Non-Retinotopic Processing

Marco Boi

At every moment, the image the world projects on our eyes undergoes rapid and dramatic changes due to the eye movements and to the motion of the objects. Surprisingly, we are not aware of these changes, experiencing the world as stable and constant. This a ...

EPFL2010

The geometry of visual perception: Retinotopic and nonretinotopic representations in the human visual system

Michael Herzog

Geometry is closely linked to visual perception; yet, very little is known about the geometry of visual processing beyond early retinotopic organization. We present a variety of perceptual phenomena showing that a retinotopic representation is neither suff ...

2010

A (fascinating) litmus test for human retino- vs. non-retinotopic processing

Michael Herzog, Thomas Otto, Marco Boi

In human vision, the optics of the eye map neighboring points of the environment onto neighboring photoreceptors in the retina. This retinotopic encoding principle is preserved in the early visual areas. Under normal viewing conditions, due to the motion o ...

Association for Research in Vision and Ophthalmology2009