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首页> 外文期刊>European journal of sport science: EJSS : official journal of the European College of Sport Science >Prediction of shot success for basketball free throws: Visual search strategy
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Prediction of shot success for basketball free throws: Visual search strategy

机译：篮球罚球命中率的预测：视觉搜索策略

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摘要

In ball games, players have to pay close attention to visual information in order to predict the movements of both the opponents and the ball. Previous studies have indicated that players primarily utilise cues concerning the ball and opponents' body motion. The information acquired must be effective for observing players to select the subsequent action. The present study evaluated the effects of changes in the video replay speed on the spatial visual search strategy and ability to predict free throw success. We compared eye movements made while observing a basketball free throw by novices and experienced basketball players. Correct response rates were close to chance (50%) at all video speeds for the novices. The correct response rate of experienced players was significantly above chance (and significantly above that of the novices) at the normal speed, but was not different from chance at both slow and fast speeds. Experienced players gazed more on the lower part of the player's body when viewing a normal speed video than the novices. The players likely detected critical visual information to predict shot success by properly moving their gaze according to the shooter's movements. This pattern did not change when the video speed was decreased, but changed when it was increased. These findings suggest that temporal information is important for predicting action outcomes and that such outcomes are sensitive to video speed.
机译：在球类游戏中，玩家必须密切注意视觉信息，以便预测对手和球的运动。先前的研究表明，玩家主要利用有关球和对手身体动作的线索。所获取的信息对于观察玩家选择后续动作必须有效。本研究评估了视频重放速度的变化对空间视觉搜索策略的影响以及预测罚球成功的能力。我们比较了新手和有经验的篮球运动员观察篮球罚球时的眼球运动。对于新手来说，在所有视频速度下正确的响应率都接近机会（50％）。有经验的玩家的正确响应率在正常速度下显着高于机会（并且在新手之上显着高于），但在慢速和快速速度下的正确反应率均没有差异。在观看正常速度的视频时，有经验的玩家会注视玩家身体下部，而不是新手。玩家很可能检测到了关键的视觉信息，可以根据射手的动作适当移动视线，从而预测射门成功。当视频速度降低时，该模式不会改变，而在视频速度提高时，该模式会改变。这些发现表明，时间信息对于预测动作结果很重要，并且这些结果对视频速度很敏感。

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