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Posterior Parietal Mechanisms of Visual Attention
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Christos Constantinidis
Published/Copyright:
May 1, 2013
SYNOPSIS
The posterior parietal cortex plays an important role in visual-spatial attention. Imaging studies reveal consistent parietal activation in attention tasks, while lesions to this area produce significant perceptual deficits. Non-human primate models have been particularly informative in investigating the neurophysiology of attention. The activity of posterior parietal neurons to the same operant stimuli is modulated by whether they are attended or not based on prior information, or whether they attract attention by virtue of their saliency. Posterior parietal neuronal activity appears to provide critical information for shifting attention between stimuli and spatial locations.
Published Online: 2013-05-01
Published in Print: 2006-08
© 2013 by Walter de Gruyter GmbH & Co.
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Articles in the same Issue
- Masthead
- Contents
- Forthcoming articles
- The Mystery of Sleep Function: Current Perspectives and Future Directions
- The Molecular Mechanisms of Morphine Addiction
- NMDA Receptor-dependent Long-term Depression in the Anterior Cingulate Cortex
- Posterior Parietal Mechanisms of Visual Attention
- Genetic and Pharmacological Basis for Therapeutic Inhibition of Band γ-Secretases in Mouse Models of Alzheimer's Memory Deficits
- Understanding the Neural Correlates of Visual Perception: A Survey of our Toolbox
