Compulsory averaging of crowded orientation signals in human vision. Export

@article{Parkes:CompulsoryAveraging, abstract = {A shape can be more difficult to identify when other shapes are near it. For example, when several grating patches are viewed parafoveally, observers are unable to report the orientation of the central patch. This phenomenon, known as 'crowding,' has historically been confused with lateral masking, in which one stimulus attenuates signals generated by another stimulus. Here we show that despite their inability to report the orientation of an individual patch, observers can reliably estimate the average orientation, demonstrating that the local orientation signals are combined rather than lost. Our results imply that crowding is distinct from ordinary masking, and is perhaps related to texture perception. Under crowded conditions, the orientation signals in primary visual cortex are pooled before they reach consciousness.}, author = {Parkes, L. and Lund, J. and Angelucci, A. and Solomon, J. A. and Morgan, M.}, citeulike-article-id = {4097256}, citeulike-linkout-0 = {http://dx.doi.org/10.1038/89532}, citeulike-linkout-1 = {http://view.ncbi.nlm.nih.gov/pubmed/11426231}, citeulike-linkout-2 = {http://www.hubmed.org/display.cgi?uids=11426231}, doi = {10.1038/89532}, issn = {1097-6256}, journal = {Nature neuroscience}, keywords = {crowding}, month = {July}, number = {7}, pages = {739--744}, posted-at = {2009-04-07 10:52:53}, priority = {2}, title = {Compulsory averaging of crowded orientation signals in human vision.}, url = {http://dx.doi.org/10.1038/89532}, volume = {4}, year = {2001} }

TY - JOUR ID - Parkes:CompulsoryAveraging L3 - citeulike-article-id:4097256 N2 - A shape can be more difficult to identify when other shapes are near it. For example, when several grating patches are viewed parafoveally, observers are unable to report the orientation of the central patch. This phenomenon, known as 'crowding,' has historically been confused with lateral masking, in which one stimulus attenuates signals generated by another stimulus. Here we show that despite their inability to report the orientation of an individual patch, observers can reliably estimate the average orientation, demonstrating that the local orientation signals are combined rather than lost. Our results imply that crowding is distinct from ordinary masking, and is perhaps related to texture perception. Under crowded conditions, the orientation signals in primary visual cortex are pooled before they reach consciousness. IS - 7 JF - Nature neuroscience SN - 1097-6256 EP - 744 TI - Compulsory averaging of crowded orientation signals in human vision. VL - 4 SP - 739 KW - crowding AU - Parkes, L AU - Lund, J AU - Angelucci, A AU - Solomon, JA AU - Morgan, M PY - 2001/07// UR - http://dx.doi.org/10.1038/89532 ER -