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Spatial processing and visual backward masking

100%
Herzog M.
Advances in Cognitive Psychology
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2007
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vol. 3
|
issue 1-2
85-92
EN
Most theories of visual masking focus primarily on the temporal aspects of visual information processing, strongly neglecting spatial factors. In recent years, however, we have shown that this position is not tenable. Spatial aspects cannot be neglected in metacontrast, pattern and un-masking. Here, we review these results.
2
Content available remote

Spatial interactions determine temporal feature integration as revealed by unmasking

51%
Herzog M., Lesemann E., Eurich C.
Advances in Cognitive Psychology
|
2006
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vol. 2
|
issue 1
77-85
EN
Feature integration is one of the most fundamental problems in neuroscience. In a recent contribution, we showed that a trailing grating can diminish the masking effects one vernier exerts on another, preceding vernier. Here, we show that this temporal unmasking depends on neural spatial interactions related to the trailing grating. Hence, our paradigm allows us to study the spatio-temporal interactions underlying feature integration.
3
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Visual masking and the dynamics of human perception, cognition, and consciousness:A century of progress, a contemporary synthesis, and future directions

51%
Ansorge U., Francis G., Herzog M., Öğmen H.
Advances in Cognitive Psychology
|
2007
|
vol. 3
|
issue 1-2
1-8
EN
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 developed to address how the nervous system transforms and represents visual inputs. Many of these advances have dealt with the steady-state properties of processing. To complement this "steady-state approach," more recent research emphasized the importance of dynamic aspects of visual processing. Visual masking has been a paradigm of choice for more than a century when it comes to the study of dynamic vision. A recent workshop (http://lpsy.epfl.ch/VMworkshop/), held in Delmenhorst, Germany, brought together an international group of researchers to present state-of-the-art research on dynamic visual processing with a focus on visual masking. This special issue presents peer-reviewed contributions by the workshop participants and provides a contemporary synthesis of how visual masking can inform the dynamics of human perception, cognition, and consciousness.
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