Szeto A Y, Chung Y M
Ann Biomed Eng. 1986;14(4):369-81. doi: 10.1007/BF02367409.
The effects of training on a person's ability to perceive, interpret and utilize information presented via the tactile sense were examined by using a dual-channel electrocutaneous tracking approach. The electrocutaneous code studied was linear pulse rate encoding of information. The stimulus had a pulse width of 200 microseconds and a pulse rate between 2 and 50 pulses per second. Three tracking tasks--visual tracking, one-dimensional electrocutaneous tracking and two-dimensional electrocutaneous tracking--were performed by 20 subjects during eight to nine daily training sessions. The effects of this training regimen were found to be highly significant for both electrocutaneous tracking tasks (p less than 0.00005). The overall average improvement between successive training sessions was 21.6% for one-dimensional electrocutaneous tracking and 22.9% for two-dimensional electrocutaneous tracking. Furthermore, the rate of improvement was fastest during the initial training sessions with a slower rate of improvement seen in most subjects beginning with their fifth session. The cumulative effects of training were also reflected in the lesser amounts of practice and review required by the subjects with each succeeding test session. Results from this study can be used to estimate the amount and rate of improvement that one can expect using a typical training program for tactile sensory aids.
通过使用双通道皮肤电跟踪方法，研究了训练对一个人通过触觉感知、解释和利用所呈现信息的能力的影响。所研究的皮肤电编码是信息的线性脉冲率编码。刺激的脉冲宽度为200微秒，脉冲率在每秒2至50个脉冲之间。20名受试者在每天进行八到九次训练的过程中，执行了三项跟踪任务——视觉跟踪、一维皮肤电跟踪和二维皮肤电跟踪。结果发现，这种训练方案对两项皮肤电跟踪任务都具有高度显著的效果（p小于0.00005）。连续训练期间，一维皮肤电跟踪的总体平均改善率为21.6%，二维皮肤电跟踪为22.9%。此外，在最初的训练阶段，改善速度最快，而大多数受试者从第五次训练开始，改善速度变慢。训练的累积效应还体现在随着每次后续测试阶段，受试者所需的练习和复习量减少。这项研究的结果可用于估计使用典型触觉感官辅助训练计划时，人们可以预期的改善量和改善速度。
