Cited by 35Visual perception and processing mechanismsMotor Control and AdaptationSpatial Neglect and Hemispheric Dysfunction

Altered processing of corollary discharge in thalamic lesion patients

Bellebaum, Christian, Hoffmann, Klaus‐Peter, Koch, Benno, Schwarz, Michael, Daum, Irene·2006·European Journal of Neuroscience

Abstract

Accumulating evidence suggests that thalamic nuclei relay corollary discharge information of saccadic eye movements, enabling the visual system to update the representation of visual space. The present study aimed to explore the effect of thalamic lesions in humans on updating‐related cortical processing. Event‐related potentials were recorded while four patients with impairments in using corollary discharge information and 12 healthy control subjects performed a saccadic double‐step task. In the experimental condition, which required the use of corollary discharge information, control subjects showed a pronounced positivity over the parietal cortex starting about 150 ms after first saccade onset, reflecting the updating process. In the patients, parietal processing related to updating was altered. Three patients showed evidence of reduced updating event‐related potential effects, consistent with a unilateral deficit in using corollary discharge information. In two patients, the event‐related potential topography differed significantly from the topography pattern observed in controls. Thalamic damage affects updating‐related processing, presumably due to insufficient transfer of saccade‐related information to parietal areas. This study thus provides further evidence for thalamic involvement in relaying corollary discharge information related to saccadic eye movements. Our data suggest that integration of corollary discharge and motor information occurs directly before the second saccade in a double‐step task.

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Crossref · 10.1111/j.1460-9568.2006.05114.x

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  • Corollary discharge has repeatedly been implicated in the process of updating the internal record of the current saccade to facilitate planning the next.

    “CD has repeatedly been implicated in this process59–64.”

    From Corollary discharge across the animal kingdom (2008) · cites this paper as [60]

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Authors
Bellebaum, C., Hoffmann, K., Koch, B., Schwarz, M., & Daum, I.
Affiliations
  • Ruhr University Bochum (DE)
  • Klinikum Dortmund (DE)
Corresponding author
Bellebaum, Christian
Venue
European Journal of Neuroscience
Publisher
Wiley
Published
2006-10
Volume
24
Issue
8
Pages
2375-2388
ISSN
  • 0953-816X (ISSN-L)
  • 1460-9568
OpenAlex
W2090710464
Cited by
35
References
45
Citations by year
2025: 1 · 2024: 4 · 2023: 2 · 2021: 4 · 2020: 1 · 2018: 2 · 2017: 1 · 2016: 1 · 2015: 1 · 2014: 2 · 2013: 3 · 2012: 3
FWCI
0.97
Type
journal article
Language
en
Open access
closed
Locations
  • European Journal of Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Visual perception and processing mechanisms
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Motor Control and Adaptation
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Spatial Neglect and Hemispheric Dysfunction
Keywords
corollary discharge, thalamic lesions, saccades, parietal cortex, event-related potentials, thalamocortical relay
MeSH terms
Adult, Aged, Brain Mapping, Data Interpretation, Statistical, Electroencephalography, Evoked Potentials, Visual, Female, Fixation, Ocular, Humans, Functional Laterality, Magnetic Resonance Imaging, Male, Middle Aged, Nervous System Diseases, Photic Stimulation, Psychomotor Performance, Space Perception, Thalamic Nuclei, Visual Perception

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