Exercise Physiology, Intervention, and Collaboration Lab, School of Kinesiology, University of Central Florida, Orlando, FL, USA.
J Sport Rehabil. 2024 Aug 19;33(8):700-712. doi: 10.1123/jsr.2023-0357. Print 2024 Nov 1.
The Neurotracker CORE assessment is an 8-minute multiple object tracking (MOT) program used in sport science research and clinical rehabilitation as a perceptual-cognitive training tool; however, it has garnered interest for its potential use as an acute assessment of cognitive performance. Although some data exist regarding the learning effect of repeated exposures, it is often overlooked with investigators focusing primarily on the presence of transfer effects to other cognitive realms. As a result, exclusive data on the effect of repeated testing, or subsequent periods of no testing (ie, detraining) on test-retest reliability, and on MOT performance are sparse.
Repeated-measures/reliability.
Twenty-three recreationally active men and women completed 15 training sessions consisting of 2 CORE assessments per session (30 assessments). Participants were randomized to either 1 or 2 weeks of detraining prior to completing 15 retraining sessions (30 assessments). Training and retraining periods were divided into 10 blocks (3 assessments/block) for analysis. MOT speed threshold (MOT-ST), consistency, fastest trial score success speed, lowest trial score miss speed, the number of perfect, near misses, and significant miss trials within each block were used to determine performance. Intraclass correlation coefficient, standard error of measurement, and minimal detectable change were used to determine reliability.
Significant improvements in MOT-ST and fastest trial score success speed were noted within training blocks 1 to 6 and 1 to 7, respectively (P < .05). MOT-ST and fastest trial score success speed demonstrated excellent test-retest reliability between blocks 8 and 9. There was no effect of detraining period on performance during retraining.
Eighteen tests are necessary to overcome training effects and establish a reliable baseline when MOT-ST is used as the performance outcome. Detraining periods up to 2 weeks did not impact performance. The average of 3 discrete tests should be used when assessing MOT-ST performance.
Neurotracker CORE 评估是一项 8 分钟的多项对象跟踪 (MOT) 程序，用于运动科学研究和临床康复作为感知认知训练工具;然而，它作为一种急性认知表现评估工具引起了人们的兴趣。虽然有一些关于重复暴露的学习效果的数据，但研究人员主要关注的是是否存在向其他认知领域转移的效果，因此，关于重复测试或随后的无测试期(即训练)对测试-再测试可靠性以及 MOT 性能的影响的独家数据很少。
重复测量/可靠性。
23 名休闲活跃的男性和女性完成了 15 次训练课程，每次课程包括 2 次 CORE 评估(共 30 次评估)。参与者被随机分配到 1 或 2 周的脱训期，然后再完成 15 次再训练课程(共 30 次评估)。训练和再训练期间分为 10 个块(每个块 3 次评估)进行分析。MOT 速度阈值 (MOT-ST)、一致性、最快试验得分成功速度、最低试验得分错过速度、每个块内的完美、近错过和显著错过试验数量，用于确定性能。内部一致性系数、测量误差和最小可检测变化用于确定可靠性。
在训练块 1 到 6 和 1 到 7 中，MOT-ST 和最快试验得分成功速度分别显著提高 (P <.05)。在块 8 和 9 之间，MOT-ST 和最快试验得分成功速度显示出极好的测试-再测试可靠性。在再训练期间，脱训期对表现没有影响。
当 MOT-ST 用作性能结果时，需要进行 18 次测试才能克服训练效果并建立可靠的基线。高达 2 周的脱训期不会影响表现。在评估 MOT-ST 性能时，应使用 3 次离散测试的平均值。
