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

Rapid aimed limb movements: age differences and practice effects in component submovements

J Pratt1, A L Chasteen, R A Abrams

  • 1Department of Psychology, Washington University, St. Louis, Missouri 63130.

Psychology and Aging
|June 1, 1994
PubMed
Summary

Older adults exhibit distinct movement patterns in rapid limb tasks, with shorter initial movements and longer corrective phases compared to younger adults. Practice does not improve older adults' movement adjustments, indicating age-related differences in motor control mechanisms.

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

Emphasizing responder speed or accuracy modulates but does not abolish the distractor-induced quitting effect in visual search.

Cognitive research: principles and implications·2023
Same author

Removal of percutaneous endoscopic gastrostomy tubes in adults using the "cut and push" method: A systematic review.

Clinical nutrition ESPEN·2018
Same author

Long-term results and recurrence patterns from SCALOP: a phase II randomised trial of gemcitabine- or capecitabine-based chemoradiation for locally advanced pancreatic cancer.

British journal of cancer·2017
Same author

Miniature wireless recording and stimulation system for rodent behavioural testing.

Journal of neural engineering·2015
Same author

Nurse-led educational interventions on cancer pain outcomes for oncology outpatients: a systematic review.

International nursing review·2015
Same author

Role of chemoradiotherapy in the adjuvant and neoadjuvant settings for resectable pancreatic cancer.

Clinical oncology (Royal College of Radiologists (Great Britain))·2014

Area of Science:

  • Motor control and aging
  • Human movement science
  • Gerontology

Background:

  • Aging is associated with changes in motor performance.
  • Understanding age-related differences in motor control is crucial for interventions.

Purpose of the Study:

  • To investigate age-related differences in the kinematic properties of rapid aimed limb movements.
  • To examine the effects of practice on movement subcomponents in younger and older adults.

Main Methods:

  • Two experiments involving younger and older adults performing rapid aimed limb movements.
  • Kinematic analysis of movement submovements (ballistic and corrective phases).
  • Assessment of movement changes after practice.

Main Results:

Related Experiment Videos

  • Older adults' initial ballistic submovements were shorter in distance but similar in duration compared to younger adults.
  • Older adults exhibited longer duration and distance corrective submovements.
  • Younger adults modified submovements with practice; older adults did not.

Conclusions:

  • Motor control mechanisms differ qualitatively between younger and older adults.
  • Older adults rely more on corrective submovements, which are not improved by practice.
  • Age-related motor deficits may stem from fundamental differences in movement execution.