Department of Psychological Sciences, Ogden College of Science and Engineering, Western Kentucky University, 1906 College Heights Blvd. #22030, Bowling Green, KY, 42101-2030, USA.
Center for Applied Science in Health and Aging, Western Kentucky University, Bowling Green, KY, 42101-2030, USA.
Sci Rep. 2022 Mar 30;12(1):5412. doi: 10.1038/s41598-022-09493-2.
Eighteen younger and older adults (mean ages were 20.4 and 72.8 years, respectively) participated in a tactile speed matching task. On any given trial, the participants felt the surfaces of rotating standard and test wheels with their index fingertip and were required to adjust the test wheel until its speed appeared to match that of the standard wheel. Three different standard speeds were utilized (30, 50, and 70 cm/s). The results indicated that while the accuracy of the participants' judgments was similar for younger and older adults, the precision (i.e., reliability across repeated trials) of the older participants' judgments deteriorated significantly relative to that exhibited by the younger adults. While adverse effects of age were obtained with regards to both the precision of tactile speed judgments and the participants' tactile acuity, there was nevertheless no significant correlation between the older adults' tactile acuities and the precision of their tactile speed judgments.
18 名年轻成年人和老年成年人（平均年龄分别为 20.4 岁和 72.8 岁）参与了一项触觉速度匹配任务。在每次试验中，参与者用食指触摸旋转的标准轮和测试轮的表面，并要求调整测试轮，直到其速度看起来与标准轮相匹配。使用了三种不同的标准速度（30、50 和 70cm/s）。结果表明，尽管年轻成年人和老年成年人的判断准确性相似，但老年参与者的判断精度（即重复试验的可靠性）相对于年轻成年人显著下降。尽管在触觉速度判断的精度和参与者的触觉敏锐度方面都观察到了年龄的不利影响，但老年人的触觉敏锐度与他们的触觉速度判断的精度之间没有显著相关性。
