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08:49
Impacts of Free-falling Spheres on a Deep Liquid Pool with Altered Fluid and Impactor Surface Conditions
Published on: February 17, 2019
The surface and deep structure of the waterfall illusion
Nicholas J Wade1, Martina Ziefle
1School of Psychology, University of Dundee, Dundee, DD1 4HN, Scotland, UK. n.j.wade@dundee.ac.uk
Psychological Research
|October 9, 2008
Summary
The motion aftereffect (MAE) reveals how the brain processes visual motion. Experiments show MAEs distinguish local from global visual perception, offering insights into visual adaptation and interactions.
Area of Science:
- Visual Neuroscience
- Perception Psychology
Background:
- The motion aftereffect (MAE) is a visual illusion where a static object appears to move after observing motion.
- Novel properties of MAEs offer insights into distinguishing local from global visual processing.
Purpose of the Study:
- To investigate the deep structure of the motion aftereffect (MAE) within a model of space and motion perception.
- To explore how localized adaptation influences MAE expression and local/global interactions.
Main Methods:
- Six experiments were conducted using various visual stimuli and adaptation paradigms.
- MAE phenomena were analyzed following adaptation to translating, rotating, and expanding/contracting patterns.
Main Results:
- Relational motion is necessary for inducing an MAE.
- The adapted region can extend beyond the directly stimulated area.
- Interocular transfer (IOT) of MAEs was observed to be approximately 30% of monocular MAEs.
Conclusions:
- MAEs serve as a valuable tool for differentiating local and global visual processing mechanisms.
- The study elucidates complex interactions between local adaptation and global testing conditions in MAE perception.
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