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Gaze in Action: Head-mounted Eye Tracking of Children's Dynamic Visual Attention During Naturalistic Behavior
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Published on: November 14, 2018

Keeping your head on target.

Aasef G Shaikh1, Aaron L Wong, David S Zee

  • 1Department of Neurology, Case Western Reserve University, Cleveland, Ohio, USA. aasefshaikh@gmail.com

The Journal of Neuroscience : the Official Journal of the Society for Neuroscience
|July 5, 2013
PubMed
Summary
This summary is machine-generated.

The human brain uses similar strategies for controlling head and eye movements. Neck proprioception is crucial for head stability, and deficits in this system may explain cervical dystonia.

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Area of Science:

  • Neuroscience
  • Motor Control
  • Oculomotor Systems

Background:

  • Human brain control of eye movements is well-understood.
  • Mechanisms for head movement control are less understood.
  • Existing models for eye movement control may apply to head movements.

Purpose of the Study:

  • To investigate similarities between head and eye movement control mechanisms.
  • To test the applicability of the neural integrator hypothesis to head stabilization.
  • To explore the role of neck proprioception in head motor control.

Main Methods:

  • Applied the neural integrator hypothesis to head stabilization.
  • Analyzed head movements in normal humans and patients with cervical dystonia.
  • Investigated the contribution of neck proprioceptive feedback.

Main Results:

  • Normal head movements align with the neural integrator hypothesis.
  • Neck proprioceptive feedback is essential for head target accuracy.
  • Cervical dystonia movement patterns are predictable by neural integrator deficits.

Conclusions:

  • Suggests fundamental similarities between oculomotor and cephalomotor control.
  • Highlights the importance of neck proprioception for head stability.
  • Proposes a new conceptual framework for cervical dystonia based on motor control deficits.