Cognitive mechanisms and motor control during a saccadic eye movement task: evidence from quantitative electroencephalography
The saccadic movement is an important behavioral measure used to investigate several cognitive processes, including attention and sensorimotor integration. The present study aimed at investigating changes in beta coherence over frontal, motor, occipital, and parietal cortices during the performance...
| Main Authors: | , , , , , , , , , , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Academia Brasileira de Neurologia (ABNEURO)
2012-07-01
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| Series: | Arquivos de Neuro-Psiquiatria |
| Subjects: | |
| Online Access: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0004-282X2012000700007&lng=en&tlng=en |
| _version_ | 1818912321317109760 |
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| author | Claudia Diniz Bruna Velasques Juliana Bittencourt Caroline Peressutti Sergio Machado Silmar Teixeira Joana Luz Santos José Inácio Salles Luis F. Basile Renato Anghinah Elie Cheniaux Antonio Egidio Nardi Mauricio Cagy Roberto Piedade Oscar Arias-Carrión Pedro Ribeiro |
| author_facet | Claudia Diniz Bruna Velasques Juliana Bittencourt Caroline Peressutti Sergio Machado Silmar Teixeira Joana Luz Santos José Inácio Salles Luis F. Basile Renato Anghinah Elie Cheniaux Antonio Egidio Nardi Mauricio Cagy Roberto Piedade Oscar Arias-Carrión Pedro Ribeiro |
| author_sort | Claudia Diniz |
| collection | DOAJ |
| description | The saccadic movement is an important behavioral measure used to investigate several cognitive processes, including attention and sensorimotor integration. The present study aimed at investigating changes in beta coherence over frontal, motor, occipital, and parietal cortices during the performance of two different conditions of a prosacadic paradigm. The conditions involved a different pattern of stimulus presentation: a fixed and random stimulus presentation. Twelve healthy volunteers (three male, mean age of 26.25 (SD=4.13) performed the task, while their brain activity pattern was recorded using quantitative electroencephalography. The results showed an interaction between factors condition and moment for the pair of electrode C3/C4. We observed a main effect for moment to CZ/C4, FZ/F3, and P3/PZ. We also found a main effect for condition to FZ/F4, P3/P4, and O1/O2. Our results demonstrated an important role of the inter-connection of the two hemispheres in visual search and movement preparation. The study demonstrates an automation of action and reduction of the focus of attention during the task. We also found that the inter-hemispheric beta coherence plays an important role in the differentiation of the two conditions, and that beta in the right frontal cortex is able to differentiate the conditions, demonstrating a greater involvement of procedural memory in fixed condition. Our results suggest a neuronal specialization in the execution of prosacadic paradigm involving motor task sequence. |
| first_indexed | 2024-12-19T23:12:44Z |
| format | Article |
| id | doaj.art-848d63bb425946c3ab58cb780a5da3c4 |
| institution | Directory Open Access Journal |
| issn | 1678-4227 |
| language | English |
| last_indexed | 2024-12-19T23:12:44Z |
| publishDate | 2012-07-01 |
| publisher | Academia Brasileira de Neurologia (ABNEURO) |
| record_format | Article |
| series | Arquivos de Neuro-Psiquiatria |
| spelling | doaj.art-848d63bb425946c3ab58cb780a5da3c42022-12-21T20:02:11ZengAcademia Brasileira de Neurologia (ABNEURO)Arquivos de Neuro-Psiquiatria1678-42272012-07-0170750651310.1590/S0004-282X2012000700007S0004-282X2012000700007Cognitive mechanisms and motor control during a saccadic eye movement task: evidence from quantitative electroencephalographyClaudia Diniz0Bruna Velasques1Juliana Bittencourt2Caroline Peressutti3Sergio Machado4Silmar Teixeira5Joana Luz Santos6José Inácio Salles7Luis F. Basile8Renato Anghinah9Elie Cheniaux10Antonio Egidio Nardi11Mauricio Cagy12Roberto Piedade13Oscar Arias-Carrión14Pedro Ribeiro15Federal University of Rio de JaneiroFederal University of Rio de JaneiroFederal University of Rio de JaneiroFederal University of Rio de JaneiroFederal University of Rio de JaneiroFederal University of Rio de JaneiroFederal University of Rio de JaneiroNational Institute of Traumatology and OrthopaedicsUniversity of São PauloUniversity of São PauloFederal University of Rio de JaneiroFederal University of Rio de JaneiroFederal Fluminense UniversityFederal University of Rio de JaneiroPhilipps-Universität MarburgFederal University of Rio de JaneiroThe saccadic movement is an important behavioral measure used to investigate several cognitive processes, including attention and sensorimotor integration. The present study aimed at investigating changes in beta coherence over frontal, motor, occipital, and parietal cortices during the performance of two different conditions of a prosacadic paradigm. The conditions involved a different pattern of stimulus presentation: a fixed and random stimulus presentation. Twelve healthy volunteers (three male, mean age of 26.25 (SD=4.13) performed the task, while their brain activity pattern was recorded using quantitative electroencephalography. The results showed an interaction between factors condition and moment for the pair of electrode C3/C4. We observed a main effect for moment to CZ/C4, FZ/F3, and P3/PZ. We also found a main effect for condition to FZ/F4, P3/P4, and O1/O2. Our results demonstrated an important role of the inter-connection of the two hemispheres in visual search and movement preparation. The study demonstrates an automation of action and reduction of the focus of attention during the task. We also found that the inter-hemispheric beta coherence plays an important role in the differentiation of the two conditions, and that beta in the right frontal cortex is able to differentiate the conditions, demonstrating a greater involvement of procedural memory in fixed condition. Our results suggest a neuronal specialization in the execution of prosacadic paradigm involving motor task sequence.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0004-282X2012000700007&lng=en&tlng=encoerência betacontrole motorEEGqmovimentos oculares sacádicosintegração sensório-motoraatenção visuoespaciais |
| spellingShingle | Claudia Diniz Bruna Velasques Juliana Bittencourt Caroline Peressutti Sergio Machado Silmar Teixeira Joana Luz Santos José Inácio Salles Luis F. Basile Renato Anghinah Elie Cheniaux Antonio Egidio Nardi Mauricio Cagy Roberto Piedade Oscar Arias-Carrión Pedro Ribeiro Cognitive mechanisms and motor control during a saccadic eye movement task: evidence from quantitative electroencephalography Arquivos de Neuro-Psiquiatria coerência beta controle motor EEGq movimentos oculares sacádicos integração sensório-motora atenção visuoespaciais |
| title | Cognitive mechanisms and motor control during a saccadic eye movement task: evidence from quantitative electroencephalography |
| title_full | Cognitive mechanisms and motor control during a saccadic eye movement task: evidence from quantitative electroencephalography |
| title_fullStr | Cognitive mechanisms and motor control during a saccadic eye movement task: evidence from quantitative electroencephalography |
| title_full_unstemmed | Cognitive mechanisms and motor control during a saccadic eye movement task: evidence from quantitative electroencephalography |
| title_short | Cognitive mechanisms and motor control during a saccadic eye movement task: evidence from quantitative electroencephalography |
| title_sort | cognitive mechanisms and motor control during a saccadic eye movement task evidence from quantitative electroencephalography |
| topic | coerência beta controle motor EEGq movimentos oculares sacádicos integração sensório-motora atenção visuoespaciais |
| url | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0004-282X2012000700007&lng=en&tlng=en |
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