Disconjugate memory-guided saccades to disparate targets: evidence for 3D sensitivity

@article{zapoula1998disconjugate, abstract = {Abstract \ \ The saccadic system has been traditionally regarded as two-dimensional (horizontal, vertical) and basically conjugate in the two eyes. However, saccades to disparate targets (e.g., targets in real three-dimensional space that are located in different directions and at different distances) are naturally disconjugate. We report here that memory-guided saccades to a disparate target flashed 1 s earlier become disconjugate following repeated trials. After 15 min of repetition, the disconjugacy persists even when the target to be remembered is no longer disparate. This suggests fast memory-based learning. Learning, however, fails to occur if, during the repetition trials, the memory delay is 2 s. These findings suggest that the saccadic system has access to a 3D representation of targets and is gifted with 3D short-term memory and learning capacity.}, author = {Kapoula, Z. and Bucci, M. P. and Lavigne-Tomps, F. and Zamfirescu, F. }, citeulike-article-id = {2454002}, doi = {http://dx.doi.org/10.1007/s002210050529}, journal = {Experimental Brain Research}, keywords = {cn740, human, parietal, ppc, saccades, spatialrepresentation}, month = {October}, number = {4}, pages = {413--423}, posted-at = {2008-03-01 23:29:25}, priority = {2}, title = {Disconjugate memory-guided saccades to disparate targets: evidence for 3D sensitivity}, url = {http://dx.doi.org/10.1007/s002210050529}, volume = {122}, year = {1998} }

TY - JOUR ID - zapoula1998disconjugate L3 - citeulike-article-id:2454002 TI - Disconjugate memory-guided saccades to disparate targets: evidence for 3D sensitivity JF - Experimental Brain Research VL - 122 IS - 4 SP - 413 EP - 423 N2 - Abstract   The saccadic system has been traditionally regarded as two-dimensional (horizontal, vertical) and basically conjugate in the two eyes. However, saccades to disparate targets (e.g., targets in real three-dimensional space that are located in different directions and at different distances) are naturally disconjugate. We report here that memory-guided saccades to a disparate target flashed 1 s earlier become disconjugate following repeated trials. After 15 min of repetition, the disconjugacy persists even when the target to be remembered is no longer disparate. This suggests fast memory-based learning. Learning, however, fails to occur if, during the repetition trials, the memory delay is 2 s. These findings suggest that the saccadic system has access to a 3D representation of targets and is gifted with 3D short-term memory and learning capacity. KW - cn740 KW - human KW - parietal KW - ppc KW - saccades KW - spatialrepresentation AU - Kapoula, Z AU - Bucci, MP AU - Lavigne-Tomps, F AU - Zamfirescu, F PY - 1998/10// UR - http://dx.doi.org/10.1007/s002210050529 ER -