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Flexible Reference Frames for Grasp Planning in Human Parietofrontal Cortex1,2,3

Reaching to a location in space is supported by a cortical network that operates in a variety of reference frames. Computational models and recent fMRI evidence suggest that this diversity originates from neuronal populations dynamically shifting between reference frames as a function of task demand...

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Autores principales: Leoné, Frank T. M., Monaco, Simona, Henriques, Denise Y. P., Toni, Ivan, Medendorp, W. Pieter
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Society for Neuroscience 2015
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4586935/
https://www.ncbi.nlm.nih.gov/pubmed/26464989
http://dx.doi.org/10.1523/ENEURO.0008-15.2015
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author Leoné, Frank T. M.
Monaco, Simona
Henriques, Denise Y. P.
Toni, Ivan
Medendorp, W. Pieter
author_facet Leoné, Frank T. M.
Monaco, Simona
Henriques, Denise Y. P.
Toni, Ivan
Medendorp, W. Pieter
author_sort Leoné, Frank T. M.
collection PubMed
description Reaching to a location in space is supported by a cortical network that operates in a variety of reference frames. Computational models and recent fMRI evidence suggest that this diversity originates from neuronal populations dynamically shifting between reference frames as a function of task demands and sensory modality. In this human fMRI study, we extend this framework to nonmanipulative grasping movements, an action that depends on multiple properties of a target, not only its spatial location. By presenting targets visually or somaesthetically, and by manipulating gaze direction, we investigate how information about a target is encoded in gaze- and body-centered reference frames in dorsomedial and dorsolateral grasping-related circuits. Data were analyzed using a novel multivariate approach that combines classification and cross-classification measures to explicitly aggregate evidence in favor of and against the presence of gaze- and body-centered reference frames. We used this approach to determine whether reference frames are differentially recruited depending on the availability of sensory information, and where in the cortical networks there is common coding across modalities. Only in the left anterior intraparietal sulcus (aIPS) was coding of the grasping target modality dependent: predominantly gaze-centered for visual targets and body-centered for somaesthetic targets. Left superior parieto-occipital cortex consistently coded targets for grasping in a gaze-centered reference frame. Left anterior precuneus and premotor areas operated in a modality-independent, body-centered frame. These findings reveal how dorsolateral grasping area aIPS could play a role in the transition between modality-independent gaze-centered spatial maps and body-centered motor areas.
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spelling pubmed-45869352015-10-13 Flexible Reference Frames for Grasp Planning in Human Parietofrontal Cortex1,2,3 Leoné, Frank T. M. Monaco, Simona Henriques, Denise Y. P. Toni, Ivan Medendorp, W. Pieter eNeuro New Research Reaching to a location in space is supported by a cortical network that operates in a variety of reference frames. Computational models and recent fMRI evidence suggest that this diversity originates from neuronal populations dynamically shifting between reference frames as a function of task demands and sensory modality. In this human fMRI study, we extend this framework to nonmanipulative grasping movements, an action that depends on multiple properties of a target, not only its spatial location. By presenting targets visually or somaesthetically, and by manipulating gaze direction, we investigate how information about a target is encoded in gaze- and body-centered reference frames in dorsomedial and dorsolateral grasping-related circuits. Data were analyzed using a novel multivariate approach that combines classification and cross-classification measures to explicitly aggregate evidence in favor of and against the presence of gaze- and body-centered reference frames. We used this approach to determine whether reference frames are differentially recruited depending on the availability of sensory information, and where in the cortical networks there is common coding across modalities. Only in the left anterior intraparietal sulcus (aIPS) was coding of the grasping target modality dependent: predominantly gaze-centered for visual targets and body-centered for somaesthetic targets. Left superior parieto-occipital cortex consistently coded targets for grasping in a gaze-centered reference frame. Left anterior precuneus and premotor areas operated in a modality-independent, body-centered frame. These findings reveal how dorsolateral grasping area aIPS could play a role in the transition between modality-independent gaze-centered spatial maps and body-centered motor areas. Society for Neuroscience 2015-06-24 /pmc/articles/PMC4586935/ /pubmed/26464989 http://dx.doi.org/10.1523/ENEURO.0008-15.2015 Text en Copyright © 2015 Leoné et al. http://creativecommons.org/licenses/by/4.0/ This is an open-access article distributed under the terms of the Creative Commons Attribution 4.0 International (http://creativecommons.org/licenses/by/4.0/) , which permits unrestricted use, distribution and reproduction in any medium provided that the original work is properly attributed.
spellingShingle New Research
Leoné, Frank T. M.
Monaco, Simona
Henriques, Denise Y. P.
Toni, Ivan
Medendorp, W. Pieter
Flexible Reference Frames for Grasp Planning in Human Parietofrontal Cortex1,2,3
title Flexible Reference Frames for Grasp Planning in Human Parietofrontal Cortex1,2,3
title_full Flexible Reference Frames for Grasp Planning in Human Parietofrontal Cortex1,2,3
title_fullStr Flexible Reference Frames for Grasp Planning in Human Parietofrontal Cortex1,2,3
title_full_unstemmed Flexible Reference Frames for Grasp Planning in Human Parietofrontal Cortex1,2,3
title_short Flexible Reference Frames for Grasp Planning in Human Parietofrontal Cortex1,2,3
title_sort flexible reference frames for grasp planning in human parietofrontal cortex1,2,3
topic New Research
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4586935/
https://www.ncbi.nlm.nih.gov/pubmed/26464989
http://dx.doi.org/10.1523/ENEURO.0008-15.2015
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