The posterior parietal cortex encodes in parallel both goals for double-reach sequences. Export

@article{citeulike:3761816, abstract = {The parietal reach region (PRR) is known to be involved in the preparation of visually guided arm movements to single targets. We explored whether PRR encodes only the target of the next movement or, alternatively, also a subsequent goal in a double-reach sequence. Two monkeys were trained to memorize the locations of two peripheral cues and to prepare for a memory-guided delayed double-reach sequence. On a GO-signal they had to reach in a predefined order to both remembered target locations without breaking eye fixation. The movement goals were arranged such that either the first or the second target was inside the response field of an isolated neuron. We analyzed the neural activity of single cells in PRR during the late memory period between cue offset and the GO-signal. During this memory period, most PRR cells encoded the first as well as the second goal of the planned reaching sequence. The results indicate that the posterior parietal cortex is involved in the spatial planning of more complex action patterns and represents immediate and subsequent movement goals.}, author = {Baldauf, Daniel and Cui, He and Andersen, Richard A.}, citeulike-article-id = {3761816}, citeulike-linkout-0 = {http://dx.doi.org/10.1523/JNEUROSCI.3423-08.2008}, citeulike-linkout-1 = {http://www.jneurosci.org/cgi/content/abstract/28/40/10081}, citeulike-linkout-2 = {http://view.ncbi.nlm.nih.gov/pubmed/18829966}, citeulike-linkout-3 = {http://www.hubmed.org/display.cgi?uids=18829966}, day = {1}, doi = {10.1523/JNEUROSCI.3423-08.2008}, issn = {1529-2401}, journal = {The Journal of neuroscience : the official journal of the Society for Neuroscience}, keywords = {brain-anatomy, cog-neuro, neuro-coding, neuro-mechanics}, month = {October}, number = {40}, pages = {10081--10089}, posted-at = {2008-12-09 18:26:28}, priority = {2}, title = {The posterior parietal cortex encodes in parallel both goals for double-reach sequences.}, url = {http://dx.doi.org/10.1523/JNEUROSCI.3423-08.2008}, volume = {28}, year = {2008} }

TY - JOUR ID - citeulike:3761816 L3 - citeulike-article-id:3761816 N2 - The parietal reach region (PRR) is known to be involved in the preparation of visually guided arm movements to single targets. We explored whether PRR encodes only the target of the next movement or, alternatively, also a subsequent goal in a double-reach sequence. Two monkeys were trained to memorize the locations of two peripheral cues and to prepare for a memory-guided delayed double-reach sequence. On a GO-signal they had to reach in a predefined order to both remembered target locations without breaking eye fixation. The movement goals were arranged such that either the first or the second target was inside the response field of an isolated neuron. We analyzed the neural activity of single cells in PRR during the late memory period between cue offset and the GO-signal. During this memory period, most PRR cells encoded the first as well as the second goal of the planned reaching sequence. The results indicate that the posterior parietal cortex is involved in the spatial planning of more complex action patterns and represents immediate and subsequent movement goals. IS - 40 JF - The Journal of neuroscience : the official journal of the Society for Neuroscience SN - 1529-2401 EP - 10089 TI - The posterior parietal cortex encodes in parallel both goals for double-reach sequences. VL - 28 SP - 10081 KW - brain-anatomy KW - cog-neuro KW - neuro-coding KW - neuro-mechanics AU - Baldauf, Daniel AU - Cui, He AU - Andersen, Richard PY - 2008/10/01/ UR - http://dx.doi.org/10.1523/JNEUROSCI.3423-08.2008 ER -