Literature DB >> 21688946

Pivots for pointing: visually-monitored pointing has higher arm elevations than pointing blindfolded.

Marta Wnuczko1, John M Kennedy.   

Abstract

Observers pointing to a target viewed directly may elevate their fingertip close to the line of sight. However, pointing blindfolded, after viewing the target, they may pivot lower, from the shoulder, aligning the arm with the target as if reaching to the target. Indeed, in Experiment 1 participants elevated their arms more in visually monitored than blindfolded pointing. In Experiment 2, pointing to a visible target they elevated a short pointer more than a long one, raising its tip to the line of sight. In Experiment 3, the Experimenter aligned the participant's arm with the target. Participants judged they were pointing below a visually monitored target. In Experiment 4, participants viewing another person pointing, eyes-open or eyes-closed, judged the target was aligned with the pointing arm. In Experiment 5, participants viewed their arm and the target via a mirror and posed their arm so that it was aligned with the target. Arm elevation was higher in pointing directly.

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Mesh:

Year:  2011        PMID: 21688946     DOI: 10.1037/a0024232

Source DB:  PubMed          Journal:  J Exp Psychol Hum Percept Perform        ISSN: 0096-1523            Impact factor:   3.332


  4 in total

1.  Different damping responses explain vertical endpoint error differences between visual conditions.

Authors:  Jan M Hondzinski; Chelsea M Soebbing; Allyson E French; Sara A Winges
Journal:  Exp Brain Res       Date:  2016-01-28       Impact factor: 1.972

2.  Mirror image arm used in monocular, binocular, and blindfolded pointing.

Authors:  Marta Wnuczko; John M Kennedy; Matthias Niemeier; Karan Singh
Journal:  Psychon Bull Rev       Date:  2013-02

3.  How to point and to interpret pointing gestures? Instructions can reduce pointer-observer misunderstandings.

Authors:  Oliver Herbort; Wilfried Kunde
Journal:  Psychol Res       Date:  2016-11-10

4.  Perspective determines the production and interpretation of pointing gestures.

Authors:  Oliver Herbort; Lisa-Marie Krause; Wilfried Kunde
Journal:  Psychon Bull Rev       Date:  2020-10-15
  4 in total

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