There is a controversy regarding whether visuomotor adaptation heavily involves both implicit and explicit learning processes or not. Likewise, another controversy exists regarding whether interlimb transfer of visuomotor adaptation is related to explicit processes or not. To address the latter issue, we examined interlimb transfer of visuomotor adaptation in an individual with congenital mirror movements, ‘DB’. DB has been tested previously using an experimental paradigm in which neurologically intact individuals demonstrated substantial transfer. DB, however, showed no transfer due to impaired interhemispheric communications. In that study, DB was unaware of the visuomotor perturbation. Here, we informed him of the perturbation prior to the experiment to determine whether providing the information would increase interlimb transfer. DB first adapted to a visuomotor rotation with the left arm, then with the right arm during reaching movements. Data from the present study were compared against those from our previous study. Results indicate no transfer across the arms despite the fact that he was aware of the perturbation. Considering overall findings in the literature, we suggest that interlimb transfer does not depend on one’s awareness, although its extent can increase when individuals rely on cognitive strategies to deal with perturbations (c.f., Werner et al., 2019).

关于视觉运动适应是否严重涉及内隐学习过程和外显学习过程存在争议。同样，关于粘性运动适应性的中间转移是否与显性过程有关还存在另一个争议。为了解决后一个问题，我们研究了先天性镜像运动“ DB”患者视觉运动适应性的跨行转移。先前已经使用实验范式对DB进行了测试，在该范式中，神经完整的个体表现出实质性的转移。但是，由于半球之间的通信受损，DB没有显示出传输。在该研究中，DB并未意识到视觉运动扰动。在这里，我们在进行实验之前将干扰告知了他，以确定提供信息是否会增加中间层的传递。DB首先适应于左臂的视觉运动，然后在运动时利用右臂。将本研究的数据与先前研究的数据进行比较。结果表明，尽管他知道这种扰动，但仍没有转移双臂。考虑到文献中的整体发现，我们建议，跨行转移不依赖于人的意识，尽管当个人依靠认知策略来应对摄动时，跨度转移的程度可能会增加（cf，Werner et al。，2019）。