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Related Concept Videos

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Sensory impulses related to touch, pressure, vibration, and proprioception from various body parts, such as the limbs, trunk, neck, and posterior head, travel to the cerebral cortex through the posterior column-medial lemniscus pathway. The pathway’s name derives from the two white-matter tracts that convey the impulses: the spinal cord's posterior column and the brainstem's medial lemniscus. First-order sensory neurons extend their axons into the spinal cord, forming the posterior columns...
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Related Experiment Video

Updated: Jun 22, 2026

Investigating the Deployment of Visual Attention Before Accurate and Averaging Saccades via Eye Tracking and Assessment of Visual Sensitivity
06:46

Investigating the Deployment of Visual Attention Before Accurate and Averaging Saccades via Eye Tracking and Assessment of Visual Sensitivity

Published on: March 18, 2019

Cerebellar contributions to the processing of saccadic errors.

P C A van Broekhoven1, C K L Schraa-Tam, A van der Lugt

  • 1Department of Neuroscience, Erasmus MC, Rotterdam 3000 CA, The Netherlands.

Cerebellum (London, England)
|May 28, 2009
PubMed
Summary
This summary is machine-generated.

Saccadic adaptation involves eye movement adjustments to visual errors. This study used fMRI to show that random saccadic errors activate cerebellar areas beyond the oculomotor vermis, suggesting their role in error processing.

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Last Updated: Jun 22, 2026

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06:46

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Published on: March 18, 2019

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Area of Science:

  • Neuroscience
  • Ophthalmology
  • Cognitive Science

Background:

  • Saccades are rapid eye movements crucial for visual attention.
  • Saccadic adaptation is a learning process modifying saccade amplitude in response to visual errors.
  • The brain regions involved in processing saccadic errors are not fully understood.

Purpose of the Study:

  • To investigate the roles of the cerebrum and cerebellum in processing saccadic errors.
  • To differentiate brain activation patterns associated with random saccadic errors versus controlled saccades.

Main Methods:

  • Functional magnetic resonance imaging (fMRI) and in-scanner eye movement recordings were used.
  • Two experimental conditions induced saccadic errors (variable target shift) or controlled saccades (no shift).
  • A baseline condition with a stationary target was included for comparison.

Main Results:

  • Both active conditions activated known saccade-related regions in the cerebrum and cerebellum (oculomotor vermis).
  • Random saccadic errors significantly increased activation in specific cerebellar areas outside the oculomotor vermis (vermis VIII, lobules VIII-X, left lobule VIIb).

Conclusions:

  • Cerebellar areas beyond the oculomotor vermis may play a role in processing saccadic errors.
  • Further research, potentially using electrophysiological recordings, is needed to elucidate the function of these areas in saccadic adaptation.