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Movement Intention Is Better Predicted than Attention in the Posterior Parietal Cortex

Quiroga, Rodrigo Quian and Snyder, Lawrence H. and Batista, Aaron P. and Cui, He and Andersen, Richard A. (2006) Movement Intention Is Better Predicted than Attention in the Posterior Parietal Cortex. Journal of Neuroscience, 26 (13). pp. 3615-3620. ISSN 0270-6474. PMCID PMC6673863. doi:10.1523/JNEUROSCI.3468-05.2006.

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We decoded on a trial-by-trial basis the location of visual targets, as a marker of the locus of attention, and intentions to reach and to saccade in different directions using the activity of neurons in the posterior parietal cortex of two monkeys. Predictions of target locations were significantly worse than predictions of movement plans for the same target locations. Moreover, neural signals in the parietal reach region (PRR) gave better predictions of reaches than saccades, whereas signals in the lateral intraparietal area (LIP) gave better predictions of saccades than reaches. Taking together the activity of both areas, the prediction of either movement in all directions became nearly perfect. These results cannot be explained in terms of an attention effect and support the idea of two segregated populations in the posterior parietal cortex, PRR and LIP, that are involved in different movement plans.

Item Type:Article
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URLURL TypeDescription CentralArticle
Andersen, Richard A.0000-0002-7947-0472
Additional Information:© 2006 Society for Neuroscience. For the first six months after publication SfN’s license will be exclusive. Beginning six months after publication the Work will be made freely available to the public on SfN’s website to copy, distribute, or display under a Creative Commons Attribution 4.0 International (CC BY 4.0) license ( Received Aug. 16, 2005; revised Feb. 12, 2006; accepted Feb. 13, 2006. This work was supported by the Sloan-Swartz Foundation, National Institutes of Health, Defense Advanced Research Projects Agency, Office of Naval Research, and the Boswell Foundation.
Funding AgencyGrant Number
Sloan-Swartz FoundationUNSPECIFIED
Defense Advanced Research Projects Agency (DARPA)UNSPECIFIED
James G. Boswell FoundationUNSPECIFIED
Subject Keywords:attention; motor intention; single-trial analysis; population coding; vision; parieta
Issue or Number:13
PubMed Central ID:PMC6673863
Record Number:CaltechAUTHORS:20170408-140001216
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Official Citation:Movement Intention Is Better Predicted than Attention in the Posterior Parietal Cortex Rodrigo Quian Quiroga, Lawrence H. Snyder, Aaron P. Batista, He Cui, Richard A. Andersen Journal of Neuroscience 29 March 2006, 26 (13) 3615-3620; DOI: 10.1523/JNEUROSCI.3468-05.2006
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:75901
Deposited By: 1Science Import
Deposited On:14 Apr 2017 20:16
Last Modified:04 Mar 2022 00:59

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