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Gregory Francis

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Related publications (35)

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Release of crowding by pattern completion

Michael Herzog, Gregory Francis, Mauro Manassi

In crowding, target perception deteriorates in the presence of flanking elements. Crowding is classically explained by low-level mechanisms such as pooling or feature substitution. However, we have previously shown that perceptual grouping between the targ ...

Association for Research in Vision and Ophthalmology (ARVO)2015

Testing dynamical models of vision

Michael Herzog, Gregory Francis, Johannes Rüter

Most models of vision focus either on the spatial or temporal aspects of visual processing and neglect the other component. A variety of studies have shown, however, that spatial and temporal processing cannot easily be separated. The shine-through effect ...

Elsevier2011

Factors underlying visual illusions are illusion-specific but not feature-specific

Michael Herzog, Gregory Francis, Lukasz Grzeczkowski, Aline Françoise Cretenoud

Common factors are ubiquitous. For example, there is a common factor, g, for intelligence. In vision, there is much weaker evidence for such common factors. For example, visual illusion magnitudes correlate only weakly with each other. Here, we investigate ...

Association for Research in Vision and Ophthalmology (ARVO)2019

Visual masking and the dynamics of human perception, cognition, and consciousness: A century of progress, a contemporary synthesis, and future directions

Michael Herzog, Gregory Francis

The 1990s, the "decade of the brain", witnessed major advances in the study of visual perception, cognition, and consciousness. Impressive techniques in neurophysiology, neuroanatomy, neuropsychology, electrophysiology, psychophysics and brain-imaging were ...

Vizja Press & IT2007

Too much success for recent groundbreaking epigenetic experiments

Gregory Francis

An article reporting statistical evidence for epigenetic transfer of learned behavior has important implications, if true. With random sampling, real effects do not always result in rejection of the null hypothesis, but the reported experiments were unifor ...

Genetics Society of America2014

The roles of mask luminance and perceptual grouping in visual backward masking

Michael Herzog, Gregory Francis

Visual backward masking is a commonly used technique in vision research and psychology. There are two distinct types of masking. Either masking is strongest for a simultaneous presentation of the target and the mask (A-type masking) or masking is strongest ...

Association for Research in Vision and Ophthalmology (ARVO)2009

Gregory Francis

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Release of crowding by pattern completion

Testing dynamical models of vision

Factors underlying visual illusions are illusion-specific but not feature-specific

Visual masking and the dynamics of human perception, cognition, and consciousness: A century of progress, a contemporary synthesis, and future directions

Too much success for recent groundbreaking epigenetic experiments

The roles of mask luminance and perceptual grouping in visual backward masking

Towards a Unifying Model of Crowding: Model Olympics

Using the Neurorobotics Platform to Explain Global Processing in Visual Crowding

The Individual Structure of Visual Space

Modeling both spatial and temporal aspects of visual microgenesis

Perceptual Grouping and Segmentation: Uncrowding

The Structure of Visual Space

Crowding asymmetries in a neural model of image segmentation

Crowding, patterns, and recurrent processing

About Specific and General Factors for Visual Illusions