Facilitation effect of observed motor deviants in a cooperative motor task: Evidence for direct perception of social intention in action

被引:21
作者
Quesque, Francois [1 ]
Delevoye-Turrell, Yvonne [1 ]
Coello, Yann [1 ]
机构
[1] Univ Lille, Cognit & Affect Sci Lab SCALab, UMR CNRS 9193, F-59653 Villeneuve Dascq, France
关键词
Vision; Sequential action; Perception; Observation; Social intention; Cooperative task; VISUAL-PERCEPTION; KINEMATICS; REPRESENTATION; MOVEMENTS; COGNITION; LANGUAGE; OBJECT; GAZE; GOAL; CUES;
D O I
10.1080/17470218.2015.1083596
中图分类号
B84 [心理学];
学科分类号
04 ; 0402 ;
摘要
Spatiotemporal parameters of voluntary motor action may help optimize human social interactions. Yet it is unknown whether individuals performing a cooperative task spontaneously perceive subtly informative social cues emerging through voluntary actions. In the present study, an auditory cue was provided through headphones to an actor and a partner who faced each other. Depending on the pitch of the auditory cue, either the actor or the partner were required to grasp and move a wooden dowel under time constraints from a central to a lateral position. Before this main action, the actor performed a preparatory action under no time constraint, consisting in placing the wooden dowel on the central location when receiving either a neutral ("pret"-ready) or an informative auditory cue relative to who will be asked to perform the main action (the actor: "moi"-me, or the partner: "lui"-him). Although the task focused on the main action, analysis of motor performances revealed that actors performed the preparatory action with longer reaction times and higher trajectories when informed that the partner would be performing the main action. In this same condition, partners executed the main actions with shorter reaction times and lower velocities, despite having received no previous informative cues. These results demonstrate that the mere observation of socially driven motor actions spontaneously influences the low-level kinematics of voluntary motor actions performed by the observer during a cooperative motor task. These findings indicate that social intention can be anticipated from the mere observation of action patterns.
引用
收藏
页码:1451 / 1463
页数:13
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