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Perceptual stability during saccadic eye movements
Humans and other primates perform multiple fast eye movements per second in order to redirect gaze within the visual field. These so called saccades challenge visual perception: During the movement phases the projection of the outside world sweeps rapidly across the photoreceptors altering the reti...
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| Formato: | Dissertation |
| Idioma: | inglés |
| Publicado: |
Philipps-Universität Marburg
2012
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| Schlagworte: | |
| Acceso en liña: | Texto completo PDF |
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| Zusammenfassung: | Humans and other primates perform multiple fast eye movements per second in
order to redirect gaze within the visual field. These so called saccades challenge visual perception: During the movement phases the projection of the outside world sweeps rapidly across the photoreceptors altering the retinal positions of objects that are otherwise stable in the environment. Despite this ever-changing sensory input, the brain creates the percept of a continuous, stable visual world. Currently, it is assumed that this perceptual stability is achieved by the synergistic interplay of multiple mechanisms, for example, a reduction of the sensitivity of the visual system around the time of the eye movement ('saccadic suppression') as well as transient reorganizations in the neuronal representations of space ('remapping').
This thesis comprises six studies on trans-saccadic perceptual stability. |
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| DOI: | 10.17192/z2012.0938 |