The Gunslinger Effect: Why Are Movements Made Faster When Responding to Versus Initiating an Action?

The authors replicated and extended results from the gunfight paradigm (A. Welchman, J. Stanley, M. Schomers, R. Miall, & H. Bulthoff, 2010a) in which participants moved faster when reacting to the perceived initiation of an opponent compared to initiating an action themselves. In addition to re...

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Bibliographic Details
Published in:Journal of motor behavior 2013-03, Vol.45 (2), p.85-90
Main Authors: La Delfa, Nicholas J., Garcia, Daniel B. L., Cappelletto, Jessica A. M., McDonald, Alison C., Lyons, James L., Lee, Timothy D.
Format: Article
Language:English
Subjects:
action observation
Ballistics
Biomechanical Phenomena
Competitive Behavior
Data Interpretation, Statistical
Endpoint Determination
Female
Fingers - physiology
Firearms
Humans
joint action
Male
Motor ability
Movement
Movement - physiology
movement initiation
movement time
Psychomotor Performance - physiology
Reaction Time - physiology
Reflex, Startle - physiology
startle response
Velocity
Young Adult
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Summary:The authors replicated and extended results from the gunfight paradigm (A. Welchman, J. Stanley, M. Schomers, R. Miall, & H. Bulthoff, 2010a) in which participants moved faster when reacting to the perceived initiation of an opponent compared to initiating an action themselves. In addition to replicating these movement time effects, the authors found that time to peak velocity, peak velocity, and movement-endpoint dispersions were similarly impacted. The findings are discussed in terms of a triggering mechanism involved in ballistic and internally generated movements.
ISSN:0022-2895
1940-1027
DOI:10.1080/00222895.2012.746283