Edwards J M, Elliott D
School of Physical Education and Athletics, McMaster University, Hamilton, Ontario, Canada.
J Clin Exp Neuropsychol. 1989 Dec;11(6):959-66. doi: 10.1080/01688638908400948.
A sequential finger-lifting task was used to examine asymmetries in intermanual transfer of training and motor overflow in Down's syndrome adults and young, nonhandicapped children. Both groups exhibited more interlimb transfer of training from the left hand to the right hand than the reverse. This finding provides evidence for left-hemisphere specialization for the organization and control of sequential movement. While the motor overflow results were less compelling, they provide some evidence for left-hemisphere dominance for movement control in Down's syndrome persons. It is suggested that perhaps the same neural mechanisms are responsible for motor overflow and transfer of training asymmetries.
采用连续手指抬起任务来检验唐氏综合征成年人以及非残疾的年轻儿童在双手训练转移和运动溢出方面的不对称性。两组均表现出从左手到右手的训练肢体间转移比反向转移更多。这一发现为左半球在序列运动的组织和控制方面的特化提供了证据。虽然运动溢出结果不太有说服力，但它们为唐氏综合征患者运动控制中的左半球优势提供了一些证据。有人认为，也许相同的神经机制导致了运动溢出和训练不对称性的转移。
