期刊
PSYCHOLOGY OF SPORT AND EXERCISE
卷 48, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.psychsport.2020.101673
关键词
Motor imagery; Imagery ability; Assessment; Principal component analysis; Mental chronometry
资金
- Natural Sciences and Engineering Research Council (NSERC)
- NSERC
- Killam Trust training awards
Motor imagery (MI), the mental rehearsal of a motor task, is thought to be a synergistic interaction between processes that allow for the generation, maintenance, and manipulation, of motor images. While our understanding of the multidimensional nature of MI stems from research examining various methods to assess MI ability, limited research has been conducted employing multiple assessments across participants to probe the underlying dimensions of MI. Accordingly, the current study sought to explore the multidimensional nature of MI using an exploratory approach that would allow for the dimensions of imagery to be examined and linked to each assessment measure. Specifically, participants (N = 81) underwent a battery of MI-assessments (including questionnaires, mental chronometry, a hand laterality judgment task, and a MI-based learning task), and data was analyzed via principal component analysis (PCA). Three components resulted, which were named based on which outcome measures loaded on to the component generation, maintenance, and manipulation of motor images. We further discuss a fourth component, named 'temporal sequencing' of motor images, identified via the initial component solution. Concordant with previous research, we highlight the importance of employing multiple measures when assessing imagery ability prior to its use in training. Notably, this work allowed us to link assessments of MI to the different dimensions of MI, informing on the nature of MI.
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