Frontoparietal control of spatial attention and motor intention in human EEG. Export

@article{citeulike:345957, abstract = {Relations between spatial attention and motor intention were investigated by means of an EEG potential elicited by shifting attention to a location in space as well as by the selection of a hand for responding. High-density recordings traced this potential to a common frontoparietal network activated by attentional orienting and by response selection. Within this network, parietal and frontal cortex were activated sequentially, followed by an anterior-to-posterior migration of activity culminating in the lateral occipital cortex. Based on temporal and polarity information provided by EEG, we hypothesize that the frontoparietal activation, evoked by directional information, updates a task-defined preparatory state by deselecting or inhibiting the behavioral option competing with the cued response side or the cued direction of attention. These results from human EEG demonstrate a direct EEG manifestation of the frontoparietal attention network previously identified in functional imaging. EEG reveals the time-course of activation within this network and elucidates the generation and function of associated directing-attention EEG potentials. The results emphasize transient activation and a decision-related function of the frontoparietal attention network, contrasting with the sustained preparatory activation that is commonly inferred from neuroimaging.}, address = {Behavioural Brain Sciences Centre, School of Psychology, University of Birmingham, Birmingham B15 2TT, UK. p.praamstra@bham.ac.uk}, author = {Praamstra, P. and Boutsen, L. and Humphreys, G. W.}, citeulike-article-id = {345957}, citeulike-linkout-0 = {http://dx.doi.org/10.1152/jn.01052.2004}, citeulike-linkout-1 = {http://view.ncbi.nlm.nih.gov/pubmed/15744008}, citeulike-linkout-2 = {http://www.hubmed.org/display.cgi?uids=15744008}, doi = {10.1152/jn.01052.2004}, issn = {0022-3077}, journal = {J Neurophysiol}, keywords = {attention, eeg, intention}, month = {July}, number = {1}, pages = {764--774}, posted-at = {2005-10-08 23:03:48}, priority = {3}, title = {Frontoparietal control of spatial attention and motor intention in human EEG.}, url = {http://dx.doi.org/10.1152/jn.01052.2004}, volume = {94}, year = {2005} }

TY - JOUR ID - citeulike:345957 L3 - citeulike-article-id:345957 N2 - Relations between spatial attention and motor intention were investigated by means of an EEG potential elicited by shifting attention to a location in space as well as by the selection of a hand for responding. High-density recordings traced this potential to a common frontoparietal network activated by attentional orienting and by response selection. Within this network, parietal and frontal cortex were activated sequentially, followed by an anterior-to-posterior migration of activity culminating in the lateral occipital cortex. Based on temporal and polarity information provided by EEG, we hypothesize that the frontoparietal activation, evoked by directional information, updates a task-defined preparatory state by deselecting or inhibiting the behavioral option competing with the cued response side or the cued direction of attention. These results from human EEG demonstrate a direct EEG manifestation of the frontoparietal attention network previously identified in functional imaging. EEG reveals the time-course of activation within this network and elucidates the generation and function of associated directing-attention EEG potentials. The results emphasize transient activation and a decision-related function of the frontoparietal attention network, contrasting with the sustained preparatory activation that is commonly inferred from neuroimaging. IS - 1 JF - J Neurophysiol SN - 0022-3077 AD - Behavioural Brain Sciences Centre, School of Psychology, University of Birmingham, Birmingham B15 2TT, UK. p.praamstra@bham.ac.uk EP - 774 TI - Frontoparietal control of spatial attention and motor intention in human EEG. VL - 94 SP - 764 KW - attention KW - eeg KW - intention AU - Praamstra, P AU - Boutsen, L AU - Humphreys, GW PY - 2005/07// UR - http://dx.doi.org/10.1152/jn.01052.2004 ER -