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Reference frames and internal models for visuo-manual coordination: what can we learn from microgravity experiments?

J McIntyre1, A Berthoz, F Lacquaniti

  • 1Laboratoire de Physiologie de la Perception et de l'Action, CNRS-Collège de France, 75005, Paris, France.

Brain Research. Brain Research Reviews
|October 31, 1998
PubMed
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Human motor control relies on gravity. Studying ball catching in microgravity can reveal how the central nervous system adapts motor actions to changing gravitational conditions.

Area of Science:

  • Neuroscience
  • Biomechanics
  • Human motor control

Background:

  • Gravity profoundly influences human motor behavior, shaping body dynamics and interactions with external objects.
  • The task of catching a ball exemplifies the complex visuo-manual coordination challenges faced by the nervous system under Earth's gravity.
  • Understanding these constraints is crucial for deciphering motor control mechanisms.

Purpose of the Study:

  • To examine the fundamental issues in human motor control using the ball-catching task as a model.
  • To explore the potential of microgravity environments, such as lower Earth orbit, for investigating the human motor system.
  • To understand how the central nervous system adapts to altered gravitational forces.

Main Methods:

  • Dissection and examination of the components involved in a ball-catching task.
Keywords:
Non-programmatic

Related Experiment Videos

  • Analysis of visuo-manual coordination and sensory information processing.
  • Utilizing microgravity environments to probe motor system functioning.

    • Main Results:

    • The ball-catching task highlights the critical role of gravity in motor planning and execution.
    • The nervous system must solve complex problems to generate coordinated movements in response to sensory input.
    • Microgravity offers a unique paradigm to study the adaptability and constraints of the human motor system.

    Conclusions:

    • Gravity is a fundamental factor in human motor control and coordination.
    • The ball-catching paradigm effectively illustrates the challenges and solutions in motor behavior.
    • Investigating motor control in microgravity can provide novel insights into the neural mechanisms underlying movement.