Influence of movement speed on accuracy of pointing to memorized targets in 3D space

Sergey Adamovich, Michail Berkinblit, Boris Smetanin, Olga Fookson, Howard Poizner

Research output: Contribution to journalArticlepeer-review

21 Scopus citations

Abstract

Subjects performed three-dimensional (3D) pointing movements as accurately as possible with their eyes closed under four different speed conditions: 'slow', 'normal', 'fast' and 'maximal' (peak velocities of 0.62, 1.61, 2.51 and 4.68 m/s, respectively). Movement speed did not significantly affect the magnitude of constant pointing errors, nor that of variable errors, except for movements in the 'maximal' condition when peak velocity values larger than 4.5 m/s were reached. The findings are consistent with the hypothesis that final arm position may be specified regardless of movement dynamics.

Original languageEnglish (US)
Pages (from-to)171-174
Number of pages4
JournalNeuroscience Letters
Volume172
Issue number1-2
DOIs
StatePublished - May 19 1994
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Neuroscience(all)

Keywords

  • Equilibrium-point hypothesis
  • Human
  • Motor control
  • Pointing movement
  • Speed-accuracy trade-off

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