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Related Concept Videos

Visual Agnosia01:12

Visual Agnosia

Visual agnosia is a condition characterized by the inability to recognize visually presented objects despite having normal vision. For instance, a person with visual agnosia can describe the shape and color of an object but cannot identify or name it. This impairment does not affect their visual field, acuity, color vision, brightness discrimination, language, or memory. An example of this condition in a social setting is someone at a dinner party asking for "that silver thing with a round end"...

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Related Experiment Video

Updated: May 16, 2026

Methods to Explore the Influence of Top-down Visual Processes on Motor Behavior
09:49

Methods to Explore the Influence of Top-down Visual Processes on Motor Behavior

Published on: April 16, 2014

Error processing in implicit correction during visually and memory-guided reaching movements.

Kosuke Numasawa1, Riku Hirano2, Seiji Ono1,3

  • 1Institute of Health and Sport Sciences, University of Tsukuba, Ibaraki, Japan.

Journal of Neurophysiology
|May 14, 2026
PubMed
Summary
This summary is machine-generated.

Motor adaptation involves implicit error correction, but how task conditions affect this process is unclear. This study shows task conditions modulate error processing, impacting motor adaptation by altering sensorimotor integration uncertainty.

Keywords:
implicit adaptationmotor learningrelevance of errorsensorimotor integrationsensory prediction error

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Last Updated: May 16, 2026

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Published on: April 16, 2014

Assessing Corticospinal Excitability During Goal-Directed Reaching Behavior
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Frame-by-Frame Video Analysis of Idiosyncratic Reach-to-Grasp Movements in Humans
10:51

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Published on: January 15, 2018

Area of Science:

  • Neuroscience
  • Motor Control
  • Cognitive Science

Background:

  • Motor adaptation enables precise movement adjustments.
  • Implicit motor correction is key to adaptation, but its mechanisms require further study.
  • Understanding error estimation is crucial for implicit adaptation.

Purpose of the Study:

  • To investigate how task conditions influence error processing in motor adaptation.
  • To examine differences in implicit motor correction between visually-guided and memory-guided tasks.
  • To test the hypothesis that task conditions modulate error processing.

Main Methods:

  • Examined implicit single-trial motor correction using clamped feedback.
  • Compared responses to various error sizes in visually-guided and memory-guided tasks.
  • Applied relevance estimation and perceptual error adaptation models.

Main Results:

  • A significant interaction was found between error size and task conditions.
  • Differences in sensorimotor integration uncertainty were observed between task types.
  • Memory-guided tasks exhibited higher cognitive demands influencing adaptation.

Conclusions:

  • Task conditions dissociate error processing, influencing motor adaptation.
  • Cognitive demands associated with memory-guided tasks impact sensorimotor integration.
  • Findings highlight the role of task context in motor learning and adaptation.