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Jarick, Michelle; Dixon, Michael J.; Smilek, Daniel – Brain and Cognition, 2011
For number-form synaesthetes, digits occupy idiosyncratic spatial locations. Atypical to the mental number line that extends horizontally, the synaesthete (L) experiences the numbers 1-10 vertically. We used a spatial cueing task to demonstrate that L's attention could be automatically directed to locations within her number-space--being faster to…
Descriptors: Sensory Experience, Numbers, Spatial Ability, Prompting
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Peters, Michael; Battista, Christian – Brain and Cognition, 2008
The 3D cube figures used by Shepard and Metzler [Shepard, R. N., & Metzler, J. (1971). "Mental rotation of three-dimensional objects." "Science," 171, 701-703] have been applied in a broad range of studies on mental rotation. This note provides a brief background on these figures, their general use in cognitive psychology and their role in…
Descriptors: Group Testing, Visualization, Spatial Ability, Cognitive Psychology
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Howard, Mary F.; Reggia, James A. – Brain and Cognition, 2007
The spatial frequency hypothesis contends that performance differences between the hemispheres on various visuospatial tasks are attributable to lateralized processing of the spatial frequency content of visual stimuli. Hellige has proposed that such lateralization could arise during infant development from the earlier maturation of the right…
Descriptors: Biology, Visual Stimuli, Child Development, Brain Hemisphere Functions
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Saumier, Daniel; Chertkow, Howard; Arguin, Martin; Whatmough, Cristine – Brain and Cognition, 2005
Individuals with Alzheimer's disease (AD) often have problems in recognizing common objects. This visual agnosia may stem from difficulties in establishing appropriate visual boundaries between visually similar objects. In support of this hypothesis, Saumier, Arguin, Chertkow, and Renfrew (2001) showed that AD subjects have difficulties in…
Descriptors: Alzheimers Disease, Spatial Ability, Visual Discrimination, Perceptual Impairments
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Weddell, Rodger A. – Brain and Cognition, 2004
The Sprague effect is well-established--small tectal lesions restore visual orientation in the hemianopic field of animals with extensive unilateral geniculo-striate lesions. Studies of human midbrain visual functions are rare. This man with a midbrain tumour developed left-neglect through subsequent right frontal damage. Bilateral orientation…
Descriptors: Brain, Spatial Ability, Brain Hemisphere Functions, Neurology
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Garbarini, Francesca; Adenzato, Mauro – Brain and Cognition, 2004
Recent experimental research in the field of neurophysiology has led to the discovery of two classes of visuomotor neurons: canonical neurons and mirror neurons. In light of these studies, we propose here an overview of two classical themes in the cognitive science panorama: James Gibson's theory of affordances and Eleanor Rosch's principles of…
Descriptors: Cognitive Processes, Classification, Spatial Ability, Neurology