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Coordinate transformations in the representation of spatial information

R A Andersen1, L H Snyder, C S Li

  • 1Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge.

Current Opinion in Neurobiology
|April 1, 1993
PubMed
Summary
This summary is machine-generated.

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Coordinate transformations are vital for behavior, converting sensory input into motor commands. Recent research reveals distributed neural representations for space, combining visual and positional data.

Area of Science:

  • Neuroscience
  • Computational Neuroscience
  • Motor Control

Background:

  • Behavior relies on coordinate transformations, converting sensory data into motor commands.
  • Sensory information is encoded in specific coordinate systems (e.g., retina, skin).
  • Motor commands require transforming sensory data into muscle-coordinate systems.

Purpose of the Study:

  • To review recent studies on visual-motor transformations.
  • To understand how spatial representations are processed for movement.

Main Methods:

  • Analysis of recent research on visual-motor transformations.
  • Examination of neural representations of space.

Main Results:

  • Spatial representations are distributed across many neurons, not localized to single cells.

Related Experiment Videos

  • Distributed representations are generated by systematically combining visual signals with eye and head position signals.

    • Conclusions:

    • Visual-motor transformations involve distributed neural processing.
    • The brain integrates visual and proprioceptive information for coordinated movement.