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Related Experiment Videos

Organization of sequential typing movements.

J F Soechting1, M Flanders

  • 1Department of Physiology, University of Minnesota, Minneapolis 55455.

Journal of Neurophysiology
|May 1, 1992
PubMed
Summary
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Touch typing movements are primarily sequential, executed letter by letter. Overlap in keystrokes is possible only when using different fingers, indicating planned letter strings.

Area of Science:

  • Human-Computer Interaction
  • Motor Control
  • Cognitive Psychology

Background:

  • Touch typing involves complex motor sequences.
  • Understanding the kinematics of typing is crucial for human-computer interaction research.

Purpose of the Study:

  • To investigate the sequential nature of typing movements.
  • To analyze the kinematic differences when typing consecutive vs. non-consecutive letters with one hand.

Main Methods:

  • Optoelectronically recorded finger and wrist motion of experienced typists.
  • Analysis of keystroke timing and movement patterns for letter pairs.
  • Comparison of typing isolated letters versus letters within a word.

Main Results:

Related Experiment Videos

  • Typing movements are predominantly serial (letter by letter).
  • Overlap in keystrokes occurs only when different fingers are used.
  • Typing identical consecutive letters can involve suppressing return to home position.

    • Conclusions:

    • Typing execution is primarily sequential, with some parallel processing for different fingers.
    • Movement planning in typing encompasses entire strings of letters, not just individual keystrokes.