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

Distribution of programming in a rapid aimed sequential movement

A L Smiley-Oyen1, C J Worringham

  • 1University of Pittsburgh, PA 15261, USA.

The Quarterly Journal of Experimental Psychology. A, Human Experimental Psychology
|May 1, 1996
PubMed
Summary
This summary is machine-generated.

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

Age- and speed-related differences in harmonic ratios during walking.

Gait & posture·2011
Same author

Predictors of future falls in Parkinson disease.

Neurology·2010
Same author

Planning and control of sequential rapid aiming in adults with Parkinson's disease.

Journal of motor behavior·2007
Same author

Control of aperture closure during reach-to-grasp movements in Parkinson's disease.

Experimental brain research·2005
Same author

Motor learning processes in a movement-scaling task in olivopontocerebellar atrophy and Parkinson's disease.

Experimental brain research·2003
Same author

Peripheral constraint versus on-line programming in rapid aimed sequential movements.

Acta psychologica·2001
Same journal

Relations between emotion, illusory word perception, and orthographic repetition blindness: tests of binding theory.

The Quarterly journal of experimental psychology. A, Human experimental psychology·2005
Same journal

Causal and noncausal conditionals: an integrated model of interpretation and reasoning.

The Quarterly journal of experimental psychology. A, Human experimental psychology·2005
Same journal

Phonological similarity effects in verbal complex span.

The Quarterly journal of experimental psychology. A, Human experimental psychology·2005
Same journal

By which name should I call thee? The consequences of having multiple names.

The Quarterly journal of experimental psychology. A, Human experimental psychology·2005
Same journal

Stimulus similarity decrements in children's working memory span.

The Quarterly journal of experimental psychology. A, Human experimental psychology·2005
Same journal

Lag-1 sparing in the attentional blink: benefits and costs of integrating two events into a single episode.

The Quarterly journal of experimental psychology. A, Human experimental psychology·2005
See all related articles

This study explored on-line programming in complex sequential movements. Results show that task constraints, like target accuracy, influence when movement adjustments are made during sequential aiming tasks.

Area of Science:

  • Motor Control
  • Human Movement Science
  • Cognitive Psychology

Background:

  • Rapid sequential movements are typically preprogrammed, with complexity increasing preprogramming.
  • However, complex sequences requiring on-line (real-time) programming are less understood.

Purpose of the Study:

  • To investigate if on-line programming occurs in a 7-target sequence with unique target constraints.
  • To determine how different task constraints affect the timing and distribution of additional programming during movement sequences.

Main Methods:

  • Participants performed a 7-target sequential aiming task as quickly as possible with a 90% hit rate.
  • Movement initiation, execution timing, and kinematics were recorded using a hand-held stylus.
  • Analysis focused on identifying when additional programming occurred relative to movement initiation and execution.

Related Experiment Videos

Main Results:

  • On-line programming occurred before movement initiation and during the first target's movement when spatial accuracy was critical (small target).
  • A unique 'triple hit' target constraint triggered on-line programming one to two segments prior to execution.
  • The position of the unique target also influenced movement timing patterns.

Conclusions:

  • Movement programming strategies adapt based on task demands, particularly spatial accuracy and unique target features.
  • Processing capacity and movement variance control are key factors influencing on-line programming.
  • Mean velocity appears to be a programmed parameter in sequential aiming movements.