期刊
JOURNAL OF SPORT & EXERCISE PSYCHOLOGY
卷 43, 期 6, 页码 514-523出版社
HUMAN KINETICS PUBL INC
DOI: 10.1123/jsep.2020-0345
关键词
foveal vision; futsal; microsaccade; penalty kick; pheriperal vision; pupillometry
Expert goalkeepers showed better ability to predict the ball direction when facing penalties from 11 meters, with more fixations and higher saccade rates, compared to penalties from 6 meters. When opponents are far and time pressure is low, gaze can shift between the kicker's body and the ball easily. In contrast, when objects are close, goalkeepers rely more on foveal and parafoveal information.
We investigated gaze behavior of expert goalkeepers during the prediction of penalty kicks in different spatiotemporal constraints: penalties taken from 11 and 6 m. From 11 m, goalkeepers were more successful in predicting ball direction, with longer movement time initiation and a visual strategy with more fixations and greater saccade rates than penalties from 6 m, where they exhibited fewer fixations with higher microsaccade rates. As long as the opponent's distance is large and time pressure low, gaze can be frequently shifted between the kicker's body and the ball, due to the low cost of saccades. Conversely, when the objects are close, there is increased reliance on foveal and parafoveal information. In conclusion, when the spatiotemporal constraint is less severe, goalkeepers adopt a visual strategy with more fixations and small saccades. When the spatiotemporal constraint is more severe, they rely on peripheral vision to monitor kickers' movements through the use of microsaccades.
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