Neural dynamics of saccadic suppression. Export

@article{citeulike:5906862, abstract = {We make fast, ballistic eye movements called saccades more often than our heart beats. Although every saccade causes a large movement of the image of the environment on our retina, we never perceive this motion. This aspect of perceptual stability is often referred to as saccadic suppression: a reduction of visual sensitivity around the time of saccades. Here, we investigated the neural basis of this perceptual phenomenon with extracellular recordings from awake, behaving monkeys in the middle temporal, medial superior temporal, ventral intraparietal, and lateral intraparietal areas. We found that, in each of these areas, the neural response to a visual stimulus changes around an eye movement. The perisaccadic response changes are qualitatively different in each of these areas, suggesting that they do not arise from a change in a common input area. Importantly, our data show that the suppression in the dorsal stream starts well before the eye movement. This clearly shows that the suppression is not just a consequence of the changes in visual input during the eye movement but rather must involve a process that actively modulates neural activity just before a saccade.}, author = {Bremmer, Frank and Kubischik, Michael and Hoffmann, Klaus-Peter P. and Krekelberg, Bart}, citeulike-article-id = {5906862}, citeulike-linkout-0 = {http://dx.doi.org/10.1523/JNEUROSCI.2908-09.2009}, citeulike-linkout-1 = {http://www.jneurosci.org/content/29/40/12374.abstract}, citeulike-linkout-2 = {http://www.jneurosci.org/content/29/40/12374.full.pdf}, citeulike-linkout-3 = {http://view.ncbi.nlm.nih.gov/pubmed/19812313}, citeulike-linkout-4 = {http://www.hubmed.org/display.cgi?uids=19812313}, day = {7}, doi = {10.1523/JNEUROSCI.2908-09.2009}, issn = {1529-2401}, journal = {The Journal of neuroscience : the official journal of the Society for Neuroscience}, keywords = {eye-movement, vision}, month = {October}, number = {40}, pages = {12374--12383}, posted-at = {2009-10-30 01:49:28}, priority = {2}, title = {Neural dynamics of saccadic suppression.}, url = {http://dx.doi.org/10.1523/JNEUROSCI.2908-09.2009}, volume = {29}, year = {2009} }

TY - JOUR ID - citeulike:5906862 L3 - citeulike-article-id:5906862 N2 - We make fast, ballistic eye movements called saccades more often than our heart beats. Although every saccade causes a large movement of the image of the environment on our retina, we never perceive this motion. This aspect of perceptual stability is often referred to as saccadic suppression: a reduction of visual sensitivity around the time of saccades. Here, we investigated the neural basis of this perceptual phenomenon with extracellular recordings from awake, behaving monkeys in the middle temporal, medial superior temporal, ventral intraparietal, and lateral intraparietal areas. We found that, in each of these areas, the neural response to a visual stimulus changes around an eye movement. The perisaccadic response changes are qualitatively different in each of these areas, suggesting that they do not arise from a change in a common input area. Importantly, our data show that the suppression in the dorsal stream starts well before the eye movement. This clearly shows that the suppression is not just a consequence of the changes in visual input during the eye movement but rather must involve a process that actively modulates neural activity just before a saccade. IS - 40 JF - The Journal of neuroscience : the official journal of the Society for Neuroscience SN - 1529-2401 EP - 12383 TI - Neural dynamics of saccadic suppression. VL - 29 SP - 12374 KW - eye-movement KW - vision AU - Bremmer, Frank AU - Kubischik, Michael AU - Hoffmann, Klaus-Peter AU - Krekelberg, Bart PY - 2009/10/07/ UR - http://dx.doi.org/10.1523/JNEUROSCI.2908-09.2009 ER -