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  Effects of angular gain transformations between movement and visual feedback on coordination performance in unimanual circling

Rieger, M., Dietrich, S., & Prinz, W. (2014). Effects of angular gain transformations between movement and visual feedback on coordination performance in unimanual circling. Frontiers in Psychology, 5: 152. doi:10.3389/fpsyg.2014.00152.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0018-A94E-7 Version Permalink: http://hdl.handle.net/21.11116/0000-0003-7C9C-3
Genre: Journal Article

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 Creators:
Rieger, Martina1, 2, Author              
Dietrich, Sandra1, 3, Author              
Prinz, Wolfgang1, Author              
Affiliations:
1Department Psychology, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634564              
2Department for Medical Sciences and Health Systems Management, University for Health Sciences, Medical Informatics and Technology, Hall in Tirol, Austria, ou_persistent22              
3Faculty of Education, University of Leipzig, Germany, ou_persistent22              

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Free keywords: Unimanual coordination; Visuo-motor transformation; Gain transformation; Sensorimotor integration; Tool transformation; Circling; Synchronization
 Abstract: Tool actions are characterized by a transformation (of spatio-temporal and/or force-related characteristics) between movements and their resulting consequences in the environment. This transformation has to be taken into account, when planning and executing movements and its existence may affect performance. In the present study we investigated how angular gain transformations between movement and visual feedback during circling movements affect coordination performance. Participants coordinated the visual feedback (feedback dot) with a continuously circling stimulus (stimulus dot) on a computer screen in order to produce mirror symmetric trajectories of them. The movement angle was multiplied by a gain factor (0.5–2; nine levels) before it was presented on the screen. Thus, the angular gain transformations changed the spatio-temporal relationship between the movement and its feedback in visual space, and resulted in a non-constant mapping of movement to feedback positions. Coordination performance was best with gain = 1. With high gains the feedback dot was in lead of the stimulus dot, with small gains it lagged behind. Anchoring (reduced movement variability) occurred when the two trajectories were close to each other. Awareness of the transformation depended on the deviation of the gain from 1. In conclusion, the size of an angular gain transformation as well as its mere presence influence performance in a situation in which the mapping of movement positions to visual feedback positions is not constant. When designing machines or tools that involve transformations between movements and their external consequences, one should be aware that the mere presence of angular gains may result in performance decrements and that there can be flaws in the representation of the transformation.

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Language(s): eng - English
 Dates: 2014-03-052014-02-072014-03-05
 Publication Status: Published online
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.3389/fpsyg.2014.00152
PMID: 24634665
PMC: PMC3942634
Other: eCollection 2014
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Title: Frontiers in Psychology
  Abbreviation : Front Psychol
Source Genre: Journal
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Publ. Info: Pully, Switzerland : Frontiers Research Foundation
Pages: - Volume / Issue: 5 Sequence Number: 152 Start / End Page: - Identifier: ISSN: 1664-1078
CoNE: https://pure.mpg.de/cone/journals/resource/1664-1078