Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Sensitivity functions of a human head movement model

W H Zangemester1, A C Arlt, S Lehman

  • 1Department of Neurology, University of Hamburg, Germany.

Medical Engineering & Physics
|March 1, 1994
PubMed
Summary

This study analyzed head movement control signals to understand optimal movement timing. Mathematical analysis revealed how model parameter changes impact head movements, identifying potential deficits.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Erythrocytic pyruvate kinase mutations causing hemolytic anemia, osteosclerosis, and secondary hemochromatosis in dogs.

Journal of veterinary internal medicine·2012
Same author

Missense mutation in PFKM associated with muscle-type phosphofructokinase deficiency in the Wachtelhund dog.

Molecular and cellular probes·2012
Same author

[Improvement of rehabilitation aftercare through long term follow along of the patients--results of a pilot study].

Die Rehabilitation·2009
Same author

Peripheral neuropathy in patients with systemic rheumatic diseases treated with leflunomide.

Annals of the rheumatic diseases·2005
Same author

[Cervical myelopathy as a complication of rheumatoid arthritis].

Zeitschrift fur Rheumatologie·2004
Same author

14C activity and global carbon cycle changes over the past 50,000 years.

Science (New York, N.Y.)·2004

Area of Science:

  • Biomechanics
  • Robotics
  • Control Systems

Background:

  • Head movements are complex, involving nonlinear dynamics.
  • Optimizing movement time is crucial for efficiency and performance.
  • Understanding control signal variations is key to analyzing movement deviations.

Purpose of the Study:

  • To investigate the relationship between control signal variables and optimal head movement timing.
  • To analyze the sensitivity of a nonlinear head movement model to parameter changes.
  • To identify potential pathological deficits indicated by deviations in head movement dynamics.

Main Methods:

  • Mathematical analysis of a 6th order nonlinear head movement model.
  • Sensitivity analysis, including coefficients, functions, graphs, and trajectories.

Related Experiment Videos

  • Manipulation of model parameters to observe effects on head movement.

    • Main Results:

    • Systematic differences in control signal variables were observed concerning optimal head movement time.
    • Sensitivity analysis demonstrated how model parameter changes affect head movement trajectories.
    • The study identified specific changes in visco-inertial properties during movement and potential pathological indicators.

    Conclusions:

    • Control signal variations provide insights into optimizing head movement timing.
    • Sensitivity analysis is a valuable tool for understanding head movement dynamics and identifying abnormalities.
    • This research contributes to understanding normal and potentially pathological head movement control.