Functional Organization of Human Intraparietal and Frontal Cortex for Attending, Looking, and Pointing Export

@article{citeulike:1012382, abstract = {We studied the functional organization of human posterior parietal and frontal cortex using functional magnetic resonance imaging (fMRI) to map preparatory signals for attending, looking, and pointing to a peripheral visual location. The human frontal eye field and two separate regions in the intraparietal sulcus were similarly recruited in all conditions, suggesting an attentional role that generalizes across response effectors. However, the preparation of a pointing movement selectively activated a different group of regions, suggesting a stronger role in motor planning. These regions were lateralized to the left hemisphere, activated by preparation of movements of either hand, and included the inferior and superior parietal lobule, precuneus, and posterior superior temporal sulcus, plus the dorsal premotor and anterior cingulate cortex anteriorly. Surface-based registration of macaque cortical areas onto the map of fMRI responses suggests a relatively good spatial correspondence between human and macaque parietal areas. In contrast, large interspecies differences were noted in the topography of frontal areas.}, address = {Department of Radiology, Mallinckrodt Institute of Radiology, Washington University School of Medicine, St. Louis, Missouri 63110, USA.}, author = {Astafiev, Serguei V. and Shulman, Gordon L. and Stanley, Christine M. and Snyder, Abraham Z. and Van Essen, David C. and Corbetta, Maurizio}, citeulike-article-id = {1012382}, citeulike-linkout-0 = {http://www.jneurosci.org/content/23/11/4689.abstract}, citeulike-linkout-1 = {http://www.jneurosci.org/content/23/11/4689.full.pdf}, citeulike-linkout-2 = {http://www.jneurosci.org/cgi/content/abstract/23/11/4689}, citeulike-linkout-3 = {http://view.ncbi.nlm.nih.gov/pubmed/12805308}, citeulike-linkout-4 = {http://www.hubmed.org/display.cgi?uids=12805308}, day = {1}, issn = {1529-2401}, journal = {J. Neurosci.}, keywords = {attention, fmri, motor}, month = {June}, number = {11}, pages = {4689--4699}, posted-at = {2009-04-11 02:27:04}, priority = {2}, title = {Functional Organization of Human Intraparietal and Frontal Cortex for Attending, Looking, and Pointing}, url = {http://www.jneurosci.org/content/23/11/4689.abstract}, volume = {23}, year = {2003} }

TY - JOUR ID - citeulike:1012382 L3 - citeulike-article-id:1012382 N2 - We studied the functional organization of human posterior parietal and frontal cortex using functional magnetic resonance imaging (fMRI) to map preparatory signals for attending, looking, and pointing to a peripheral visual location. The human frontal eye field and two separate regions in the intraparietal sulcus were similarly recruited in all conditions, suggesting an attentional role that generalizes across response effectors. However, the preparation of a pointing movement selectively activated a different group of regions, suggesting a stronger role in motor planning. These regions were lateralized to the left hemisphere, activated by preparation of movements of either hand, and included the inferior and superior parietal lobule, precuneus, and posterior superior temporal sulcus, plus the dorsal premotor and anterior cingulate cortex anteriorly. Surface-based registration of macaque cortical areas onto the map of fMRI responses suggests a relatively good spatial correspondence between human and macaque parietal areas. In contrast, large interspecies differences were noted in the topography of frontal areas. IS - 11 JF - J. Neurosci. SN - 1529-2401 AD - Department of Radiology, Mallinckrodt Institute of Radiology, Washington University School of Medicine, St. Louis, Missouri 63110, USA. EP - 4699 TI - Functional Organization of Human Intraparietal and Frontal Cortex for Attending, Looking, and Pointing VL - 23 SP - 4689 KW - attention KW - fmri KW - motor AU - Astafiev, Serguei AU - Shulman, Gordon AU - Stanley, Christine AU - Snyder, Abraham AU - Van Essen, David AU - Corbetta, Maurizio PY - 2003/06/01/ UR - http://www.jneurosci.org/content/23/11/4689.abstract ER -