Perception of Visual Space at the Time of Pro-and Anti-saccades Rule-dependent Activity for Prosaccades and Antisaccades in the Primate Prefrontal Cortex a Microcircuit Model of the Frontal Eye Fields Gain Mechanisms for Contextually Guided Visuomotor Transformations
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چکیده
[PDF] [Full Text] [Abstract] , April 1, 2004; 91 (4): 1672-1689. J Neurophysiol N. Amador, M. Schlag-Rey and J. Schlag Performance Primate Antisaccade. II. Supplementary Eye Field Neuronal Activity Predicts Correct [PDF] [Full Text] [Abstract] , June 1, 2004; 91 (6): 2457-2464. J Neurophysiol H. Awater and M. Lappe Perception of Visual Space at the Time of Proand Anti-Saccades [PDF] [Full Text] [Abstract] , September 1, 2005; 17 (9): 1483-1496. J. Cogn. Neurosci. S. Everling and J. F. X. DeSouza Rule-dependent Activity for Prosaccades and Antisaccades in the Primate Prefrontal Cortex [PDF] [Full Text] [Abstract] , August 29, 2007; 27 (35): 9341-9353. J. Neurosci. J. Heinzle, K. Hepp and K. A. C. Martin A Microcircuit Model of the Frontal Eye Fields [PDF] [Full Text] [Abstract] , September 26, 2007; 27 (39): 10588-10596. J. Neurosci. M. Brozovic, A. Gail and R. A. Andersen Gain Mechanisms for Contextually Guided Visuomotor Transformations
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Frontoparietal activation with preparation for antisaccades.
Several current models hold that frontoparietal areas exert cognitive control by biasing task-relevant processing in other brain areas. Previous event-related functional magnetic resonance imaging (fMRI) studies have compared prosaccades and antisaccades, which require subjects to look toward or away from a flashed peripheral stimulus, respectively. These studies found greater activation for an...
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It has been suggested that the frontal eye field (FEF), which is involved with the inhibition and generation of saccades, is engaged to a different degree in pro- and antisaccades. Pro- and antisaccades are often assessed in separate experimental blocks. In such cases, saccade inhibition is required for antisaccades but not for prosaccades. To more directly assess the role of the FEF in saccade...
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The antisaccade task requires a subject to make a saccade to an unmarked location opposite to a flashed stimulus. This task was originally designed to study saccades made to a goal specified by instructions. Interest for this paradigm surged after the discovery that frontal lobe lesions specifically and severely affect human performance of antisaccades while prosaccades (i.e., saccades directed...
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