HapticV1, PubMed, Corpus, bibRecord, 001805

Tight covariation of BOLD signal changes and slow ERPs in the parietal cortex in a parametric spatial imagery task with haptic acquisition.

Identifieur interne : 001805 ( PubMed/Corpus ); précédent : 001804; suivant : 001806

Tight covariation of BOLD signal changes and slow ERPs in the parietal cortex in a parametric spatial imagery task with haptic acquisition.

Auteurs : Tobias Schicke ; Lars Muckli ; Anton L. Beer ; Michael Wibral ; Wolf Singer ; Rainer Goebel ; Frank Rösler ; Brigitte Röder

Source :

The European journal of neuroscience [ 0953-816X ] ; 2006.

RBID : pubmed:16623847

English descriptors

KwdEn :
- Acoustic Stimulation, Brain Mapping, Evoked Potentials, Female, Humans, Imagination, Magnetic Resonance Imaging, Male, Oxygen (blood), Parietal Lobe (blood supply), Parietal Lobe (physiology), Psychomotor Performance, Reaction Time.
MESH :
- chemical , blood : Oxygen.
- blood supply : Parietal Lobe.
- physiology : Parietal Lobe.
- Acoustic Stimulation, Brain Mapping, Evoked Potentials, Female, Humans, Imagination, Magnetic Resonance Imaging, Male, Psychomotor Performance, Reaction Time.

Abstract

The present study investigated the relation of brain activity patterns measured with functional magnetic resonance imaging (fMRI) and slow event-related potentials (ERPs) associated with a complex cognitive task. A second goal was to examine the neural correlates of spatial imagery of haptically--instead of visually--acquired representations. Using a mental image scanning task, spatial imagery requirements were systematically manipulated by parametrically varying the distance between haptically acquired landmarks. Results showed a close relation between slow ERPs and the blood oxygenation level dependent (BOLD) signal in human parietal lobe. Reaction times of mental scanning correlated with the distances between landmarks on the learned display. In parallel, duration and amplitude of slow ERPs and duration of the haemodynamic response systematically varied as a function of mental scanning distance. Source analysis confirmed that the ERP imagery effect likely originated from the same cortical substrate as the corresponding BOLD effect. This covariation of the BOLD signal with slow ERPs is in line with recent findings in animals demonstrating a tight link between local field potentials and the BOLD signal. The parietal location of the imagery effect is consistent with the idea that externally triggered (perceptual) and mentally driven (imagery) spatial processes are both mediated by the same supramodal brain areas.

DOI: 10.1111/j.1460-9568.2006.04720.x
PubMed: 16623847

Links to Exploration step

pubmed:16623847

Le document en format XML

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<author><name sortKey="Schicke, Tobias" sort="Schicke, Tobias" uniqKey="Schicke T" first="Tobias" last="Schicke">Tobias Schicke</name>
<affiliation><nlm:affiliation>Biological Psychology and Neuropsychology, University of Hamburg, D-20146 Hamburg, Germany. tobias.schicke@uni-hamburg.de</nlm:affiliation>
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<author><name sortKey="Muckli, Lars" sort="Muckli, Lars" uniqKey="Muckli L" first="Lars" last="Muckli">Lars Muckli</name>
</author>
<author><name sortKey="Beer, Anton L" sort="Beer, Anton L" uniqKey="Beer A" first="Anton L" last="Beer">Anton L. Beer</name>
</author>
<author><name sortKey="Wibral, Michael" sort="Wibral, Michael" uniqKey="Wibral M" first="Michael" last="Wibral">Michael Wibral</name>
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<author><name sortKey="Singer, Wolf" sort="Singer, Wolf" uniqKey="Singer W" first="Wolf" last="Singer">Wolf Singer</name>
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<author><name sortKey="Goebel, Rainer" sort="Goebel, Rainer" uniqKey="Goebel R" first="Rainer" last="Goebel">Rainer Goebel</name>
</author>
<author><name sortKey="Rosler, Frank" sort="Rosler, Frank" uniqKey="Rosler F" first="Frank" last="Rösler">Frank Rösler</name>
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<author><name sortKey="Roder, Brigitte" sort="Roder, Brigitte" uniqKey="Roder B" first="Brigitte" last="Röder">Brigitte Röder</name>
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<sourceDesc><biblStruct><analytic><title xml:lang="en">Tight covariation of BOLD signal changes and slow ERPs in the parietal cortex in a parametric spatial imagery task with haptic acquisition.</title>
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<author><name sortKey="Beer, Anton L" sort="Beer, Anton L" uniqKey="Beer A" first="Anton L" last="Beer">Anton L. Beer</name>
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<author><name sortKey="Singer, Wolf" sort="Singer, Wolf" uniqKey="Singer W" first="Wolf" last="Singer">Wolf Singer</name>
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<author><name sortKey="Goebel, Rainer" sort="Goebel, Rainer" uniqKey="Goebel R" first="Rainer" last="Goebel">Rainer Goebel</name>
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<term>Humans</term>
<term>Imagination</term>
<term>Magnetic Resonance Imaging</term>
<term>Male</term>
<term>Oxygen (blood)</term>
<term>Parietal Lobe (blood supply)</term>
<term>Parietal Lobe (physiology)</term>
<term>Psychomotor Performance</term>
<term>Reaction Time</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="blood" xml:lang="en"><term>Oxygen</term>
</keywords>
<keywords scheme="MESH" qualifier="blood supply" xml:lang="en"><term>Parietal Lobe</term>
</keywords>
<keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Parietal Lobe</term>
</keywords>
<keywords scheme="MESH" xml:lang="en"><term>Acoustic Stimulation</term>
<term>Brain Mapping</term>
<term>Evoked Potentials</term>
<term>Female</term>
<term>Humans</term>
<term>Imagination</term>
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<front><div type="abstract" xml:lang="en">The present study investigated the relation of brain activity patterns measured with functional magnetic resonance imaging (fMRI) and slow event-related potentials (ERPs) associated with a complex cognitive task. A second goal was to examine the neural correlates of spatial imagery of haptically--instead of visually--acquired representations. Using a mental image scanning task, spatial imagery requirements were systematically manipulated by parametrically varying the distance between haptically acquired landmarks. Results showed a close relation between slow ERPs and the blood oxygenation level dependent (BOLD) signal in human parietal lobe. Reaction times of mental scanning correlated with the distances between landmarks on the learned display. In parallel, duration and amplitude of slow ERPs and duration of the haemodynamic response systematically varied as a function of mental scanning distance. Source analysis confirmed that the ERP imagery effect likely originated from the same cortical substrate as the corresponding BOLD effect. This covariation of the BOLD signal with slow ERPs is in line with recent findings in animals demonstrating a tight link between local field potentials and the BOLD signal. The parietal location of the imagery effect is consistent with the idea that externally triggered (perceptual) and mentally driven (imagery) spatial processes are both mediated by the same supramodal brain areas.</div>
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<Title>The European journal of neuroscience</Title>
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<Abstract><AbstractText>The present study investigated the relation of brain activity patterns measured with functional magnetic resonance imaging (fMRI) and slow event-related potentials (ERPs) associated with a complex cognitive task. A second goal was to examine the neural correlates of spatial imagery of haptically--instead of visually--acquired representations. Using a mental image scanning task, spatial imagery requirements were systematically manipulated by parametrically varying the distance between haptically acquired landmarks. Results showed a close relation between slow ERPs and the blood oxygenation level dependent (BOLD) signal in human parietal lobe. Reaction times of mental scanning correlated with the distances between landmarks on the learned display. In parallel, duration and amplitude of slow ERPs and duration of the haemodynamic response systematically varied as a function of mental scanning distance. Source analysis confirmed that the ERP imagery effect likely originated from the same cortical substrate as the corresponding BOLD effect. This covariation of the BOLD signal with slow ERPs is in line with recent findings in animals demonstrating a tight link between local field potentials and the BOLD signal. The parietal location of the imagery effect is consistent with the idea that externally triggered (perceptual) and mentally driven (imagery) spatial processes are both mediated by the same supramodal brain areas.</AbstractText>
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<QualifierName MajorTopicYN="Y" UI="Q000502">physiology</QualifierName>
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<MeshHeading><DescriptorName MajorTopicYN="N" UI="D011597">Psychomotor Performance</DescriptorName>
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<MeshHeading><DescriptorName MajorTopicYN="N" UI="D011930">Reaction Time</DescriptorName>
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Tight covariation of BOLD signal changes and slow ERPs in the parietal cortex in a parametric spatial imagery task with haptic acquisition.

Tight covariation of BOLD signal changes and slow ERPs in the parietal cortex in a parametric spatial imagery task with haptic acquisition.

Source :

English descriptors

Abstract

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

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