Acting while perceiving: assimilation precedes contrast

被引:25
作者
Grosjean, Marc [1 ,2 ]
Zwickel, Jan [2 ]
Prinz, Wolfgang [2 ]
机构
[1] Leibniz Res Ctr Working Environm & Human Factors, D-44139 Dortmund, Germany
[2] Max Planck Inst Human Cognit & Brain Sci, Dept Psychol, Munich, Germany
来源
PSYCHOLOGICAL RESEARCH-PSYCHOLOGISCHE FORSCHUNG | 2009年 / 73卷 / 01期
关键词
VISUAL-MOTION; STIMULUS; PERCEPTION; HAND; MOVEMENT; FEEDBACK; MECHANISMS; MODEL; TASK;
D O I
10.1007/s00426-008-0146-6
中图分类号
B84 [心理学];
学科分类号
04 ; 0402 ;
摘要
To explore the nature of specific interactions between concurrent perception and action, participants were asked to move one of their hands in a certain direction while simultaneously observing an independent stimulus motion of a (dis)similar direction. The kinematics of the hand trajectories revealed a form of contrast effect (CE) in that the produced directions were biased away from the perceived directions ("Experiment 1"). Specifically, the endpoints of horizontal movements were lower when having watched an upward as opposed to a downward motion. However, when participants moved under higher speed constraints and were not presented with the stimulus motion prior to initiating their movements, the CE was preceded by an assimilation effect, i.e., movements were biased toward the stimulus motion directions ("Experiment 2"). These findings extend those of related studies by showing that CEs of this type actually correspond to the second phase of a bi-phasic pattern of specific perception-action interference.
引用
收藏
页码:3 / 13
页数:11
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