期刊
NEUROSCIENCE LETTERS
卷 752, 期 -, 页码 -出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.neulet.2021.135814
关键词
Focus of attention; Motor control; A goal-directed aiming task; Fitts' Law
The study revealed that adopting an external attentional focus instruction (EXF) in a virtual environment can lead to better motor performance, with higher accuracy and lower bias. This has implications for rehabilitation and training protocols in virtual environments.
The effects of attentional focus (AF) instruction were examined in a reciprocal aiming task implemented in a 3-dimensional, fully immersive virtual environment (VE). Within the VE, participants (N = 19) moved a cube between two targets at two paces (750 ms and 500 ms) while being asked to focus externally (EXF) and internally (INF). Performance accuracy was measured as two-dimensional error and its variability between the center of the target to the center of the cube and one-dimensional bias (undershooting/overshooting behavior in the ante-roposterior and mediolateral directions). The results indicated better performance, specifically greater accuracy and lower one-dimensional bias in the anteroposterior direction when adopting an EXF compared to an INF. Our findings reveal that the beneficial effects of an EXF on motor performance are not restricted movements within physical environments only but also work in VE. This has implications for rehabilitation and training protocols in VE.
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