Saccadic output is influenced by limb kinetics during eye-hand coordination

Paul Van Donkelaar, Joseph Ka-Chun Siu, Joshua Walterschied

Research output: Contribution to journalArticle

30 Citations (Scopus)

Abstract

In several recent studies, saccadic eye movements were found to be influenced by concurrent reaching movements. The authors investigated whether that influence originates in limb kinematic or kinetic signals. To dissociate those 2 possibilities, the authors required participants (N = 6) to generate pointing movements with a mass that either resisted or assisted limb motion. With practice, participants were able to generate pointing responses with very similar kinematics but whose kinetics varied in a systematic manner. The results showed that saccadic output was altered by the amount of force required to move the arm, consistent with an influence from limb kinetic signals. Because the interaction occurred before the pointing response began, the authors conclude that a predictive signal related to limb kinetics modulates saccadic output during tasks requiring eye-hand coordination.

Original languageEnglish (US)
Pages (from-to)245-252
Number of pages8
JournalJournal of Motor Behavior
Volume36
Issue number3
DOIs
StatePublished - Sep 1 2004

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Extremities
Hand
Biomechanical Phenomena
Saccades
Arm

Keywords

  • Eye-hand coordination
  • Limb kinematics
  • Limb kinetics
  • Pointing
  • Saccades

ASJC Scopus subject areas

  • Biophysics
  • Orthopedics and Sports Medicine
  • Experimental and Cognitive Psychology
  • Cognitive Neuroscience

Cite this

Saccadic output is influenced by limb kinetics during eye-hand coordination. / Van Donkelaar, Paul; Siu, Joseph Ka-Chun; Walterschied, Joshua.

In: Journal of Motor Behavior, Vol. 36, No. 3, 01.09.2004, p. 245-252.

Research output: Contribution to journalArticle

Van Donkelaar, Paul ; Siu, Joseph Ka-Chun ; Walterschied, Joshua. / Saccadic output is influenced by limb kinetics during eye-hand coordination. In: Journal of Motor Behavior. 2004 ; Vol. 36, No. 3. pp. 245-252.
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