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Related Concept Videos

Hierarchy of Motor Control01:18

Hierarchy of Motor Control

The hierarchy of motor control refers to the different levels of organization and processing involved in controlling movement in the body. These levels range from higher cortical areas involved in planning and decision-making to lower spinal cord reflexes that respond automatically to external stimuli.
Direct Motor Pathways01:11

Direct Motor Pathways

The direct motor pathways, also known as the pyramidal tracts, are a group of neural pathways that originate in the brain and descend through the spinal cord. They control the voluntary movement of the body. There are two major direct motor pathways: the corticospinal and the corticobulbar tracts.
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The field of behaviorism was pioneered by figures such as Ivan Pavlov, John B. Watson, and B.F. Skinner fundamentally shifted the focus of psychology to the observable and controllable aspects of human and animal behavior. This shift marked a critical evolution in the discipline, emphasizing scientific rigor and experimental methodology.
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Related Experiment Video

Updated: May 26, 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

20 years later: a second look on DF's motor behaviour.

Marc Himmelbach1, Rebecca Boehme, Hans-Otto Karnath

  • 1Center of Neurology, Division of Neuropsychology, Hertie-Institute for Clinical Brain Research, Eberhard Karls University, Hoppe-Seyler-Str. 3, 72076 Tübingen, Germany. marc.himmelbach@uni-tuebingen.de

Neuropsychologia
|December 14, 2011
PubMed
Summary

The action vs. perception model

Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Visual Perception

Background:

  • The action vs. perception model is a dominant theory in primate visual processing.
  • It posits a dissociation between impaired perception and intact visuomotor control in visual form agnosia (VFA).
  • Evidence primarily stems from patient D.F., a key case study in neuroscience.

Observation:

  • Extensive research on patient D.F. has supported the action vs. perception model.
  • Previous experimental methods may have overlooked subtle, individual-level impairments.
  • A reanalysis of D.F.'s data was conducted to identify overlooked deficits.

Findings:

  • Reanalysis revealed basic visuomotor impairments in patient D.F. that were previously undetected.
  • These findings challenge the strong dissociation between perception and action systems.

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The "Motor" in Implicit Motor Sequence Learning: A Foot-stepping Serial Reaction Time Task
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Last Updated: May 26, 2026

Methods to Explore the Influence of Top-down Visual Processes on Motor Behavior
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11:12

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10:39

The "Motor" in Implicit Motor Sequence Learning: A Foot-stepping Serial Reaction Time Task

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  • The evidence supporting distinct visual systems appears to be overstated.

    • Implications:

    • The findings necessitate a revision of the action vs. perception model.
    • Subtle visuomotor deficits may be more common in VFA than previously thought.
    • Future research should employ more sensitive methods to assess visual processing.