منابع مشابه
Are the original Roelofs effect and the induced Roelofs effect caused by the same shift in straight ahead?
We investigated whether the original Roelofs effect and the induced Roelofs effect are caused by the same shift in perceived straight ahead. Subjects were presented with a target within a frame in complete darkness. Target and frame could both be shifted to the left or right of objective straight ahead. On separate trials, subjects gave verbal estimates about the position of either the target o...
متن کاملAre the original Roelofs effect and the induced Roelofs effect confounded by the same expansion of remembered space?
Are the original Roelofs effect and the induced Roelofs effect confounded by the same expansion of remembered space? Roelofs (1935) first described a perceptual phenomenon in which an observer, when viewing a large rectangular frame whose center is positioned to the left or right of the objective midline, will underestimate the degree to which the frame is offset. More recently, Bridgeman, Peer...
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15 صفحه اولVisuospatial contextual processing in the parietal cortex: An fMRI investigation of the induced Roelofs effect
Neighboring contextual elements can dramatically affect the manner in which the brain processes the perceptual characteristics of an object. Indeed, many well-known visual illusions rely on misleading contextual cues to create misperceptions of size, length or orientation (e.g., in the Ebbinghaus, Muller-Lyer or rod-and-frame illusions, respectively). However, little is known about the brain re...
متن کاملThe induced Roelofs effect: two visual systems or the shift of a single reference frame?
Cognitive judgments about an object's location are distorted by the presence of a large frame offset left or right of an observer's midline. Sensorimotor responses, however, seem immune to this induced Roelofs illusion, with observers able to accurately point to the target's location. These findings have traditionally been used as evidence for a dissociation of the visual processing required fo...
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ژورنال
عنوان ژورنال: Frontiers in Computational Neuroscience
سال: 2011
ISSN: 1662-5188
DOI: 10.3389/conf.fncom.2011.53.00129