Spatial attention and object-based attention: a comparison within a single task.

@article{citeulike:2387542, abstract = {There is now much experimental evidence supporting the idea that visual attention can be deployed in at least two ways: one space-based and other object-based. However, it is not clear whether space- and object-based attention work in an integrated way within the visual system. In this article, we present two experiments in which we compare both components of attention within a cueing paradigm. Participants had to discriminate the orientation of a line that appeared within one of four moving circles, differing in colour. A cue appearing close to one of the four circles indicated the location or circle where the target stimulus was likely to appear. Spatial and object cueing effects were observed: responses were faster when target appeared either at the precued location or within the precued object. In addition, the object-cueing effect occurred only when the cue was spatially invalid and not when it was spatially valid. These results suggest that object- and space-based attention interact, with selection by location being primary over object-based selection.}, address = {Departamento de Psicolog\'{i}a Social y B\'{a}sica, Facultad de Psicolog\'{i}a, University of Santiago de Compostela, Santiago de Compostela 15706, Spain. psmblanc@usc.es}, author = {Soto, D. and Blanco, M. J. }, citeulike-article-id = {2387542}, issn = {0042-6989}, journal = {Vision Res}, keywords = {attention, objects, spatial\_attention}, month = {January}, number = {1}, pages = {69--81}, posted-at = {2008-02-15 23:02:09}, priority = {2}, title = {Spatial attention and object-based attention: a comparison within a single task.}, url = {http://view.ncbi.nlm.nih.gov/pubmed/14599572}, volume = {44}, year = {2004} }

TY - JOUR ID - citeulike:2387542 L3 - citeulike-article-id:2387542 TI - Spatial attention and object-based attention: a comparison within a single task. JF - Vision Res VL - 44 IS - 1 SP - 69 EP - 81 AD - Departamento de Psicología Social y Básica, Facultad de Psicología, University of Santiago de Compostela, Santiago de Compostela 15706, Spain. psmblanc@usc.es SN - 0042-6989 N2 - There is now much experimental evidence supporting the idea that visual attention can be deployed in at least two ways: one space-based and other object-based. However, it is not clear whether space- and object-based attention work in an integrated way within the visual system. In this article, we present two experiments in which we compare both components of attention within a cueing paradigm. Participants had to discriminate the orientation of a line that appeared within one of four moving circles, differing in colour. A cue appearing close to one of the four circles indicated the location or circle where the target stimulus was likely to appear. Spatial and object cueing effects were observed: responses were faster when target appeared either at the precued location or within the precued object. In addition, the object-cueing effect occurred only when the cue was spatially invalid and not when it was spatially valid. These results suggest that object- and space-based attention interact, with selection by location being primary over object-based selection. KW - attention KW - objects KW - spatial_attention AU - Soto, D AU - Blanco, MJ PY - 2004/01// UR - http://view.ncbi.nlm.nih.gov/pubmed/14599572 ER -