Brain dynamic mechanisms of scale effect in visual spatial attention.

@article{citeulike:876006, abstract = {The dynamic mechanisms of the early event-related potential scale effect of different attentive regions in the brain was studied. The paradigm of this experiment is the precue-target visual search paradigm by event-related potential technique. The results showed that the reaction time was shortened with the reduction of cue scale, a cue to how big the search area would be, and fixed target stimulus, while the amplitudes of P1 and N1 components of event-related potentials increased. These results not only provided the electrophysiological evidences that supported the zoom-lens theory, but also indicated that the zoom-lens effect happened at the early selected attention period. The results also showed that there existed two kinds of separation in the P2 effect.}, address = {aDepartment of Rehabilitation, Xuanwu Hospital, Capital University of Medical Science bKey Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences cState Key Laboratory of Cognitive Neuroscience and Learning, Beijing Normal University, Beijing, China.}, author = {Song, Wei-Qun Q. and Li, Xinying and Luo, Yue-Jia J. and Du, Bo-Qi Q. and Ji, Xun-Ming M. }, citeulike-article-id = {876006}, doi = {http://dx.doi.org/10.1097/01.wnr.0000236851.55468.64}, issn = {0959-4965}, journal = {Neuroreport}, keywords = {spatial\_attention}, month = {October}, number = {15}, pages = {1643--1647}, posted-at = {2006-10-31 18:03:52}, priority = {0}, title = {Brain dynamic mechanisms of scale effect in visual spatial attention.}, url = {http://dx.doi.org/10.1097/01.wnr.0000236851.55468.64}, volume = {17}, year = {2006} }

TY - JOUR ID - citeulike:876006 L3 - citeulike-article-id:876006 TI - Brain dynamic mechanisms of scale effect in visual spatial attention. JF - Neuroreport VL - 17 IS - 15 SP - 1643 EP - 1647 AD - aDepartment of Rehabilitation, Xuanwu Hospital, Capital University of Medical Science bKey Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences cState Key Laboratory of Cognitive Neuroscience and Learning, Beijing Normal University, Beijing, China. SN - 0959-4965 N2 - The dynamic mechanisms of the early event-related potential scale effect of different attentive regions in the brain was studied. The paradigm of this experiment is the precue-target visual search paradigm by event-related potential technique. The results showed that the reaction time was shortened with the reduction of cue scale, a cue to how big the search area would be, and fixed target stimulus, while the amplitudes of P1 and N1 components of event-related potentials increased. These results not only provided the electrophysiological evidences that supported the zoom-lens theory, but also indicated that the zoom-lens effect happened at the early selected attention period. The results also showed that there existed two kinds of separation in the P2 effect. KW - spatial_attention AU - Song, Wei-Qun AU - Li, Xinying AU - Luo, Yue-Jia AU - Du, Bo-Qi AU - Ji, Xun-Ming PY - 2006/10/23/ UR - http://dx.doi.org/10.1097/01.wnr.0000236851.55468.64 ER -