Richard Marc V, Clegg Benjamin A, Seger Carol A
Department of Psychology, Colorado State University, Fort Collins, CO 80523, USA.
Q J Exp Psychol (Hove). 2009 Aug;62(8):1516-22. doi: 10.1080/17470210902732130. Epub 2009 Mar 6.
This study employed a novel variant of the serial reaction time task, focused on sequencing one element of movement-direction. During the task a repeated pattern of alternating directions (right-left-right, etc.) was embedded in the stimuli, and there was no series of response locations. Responses were made via two effector systems: single-finger responding (necessitates lateral arm movements between response keys), and four-fingered responding (4 individual fingers on 4 individual keys; requires no lateral arm movement). The sequence of directions was only learned by participants who performed lateral movements during training, indicating that learning was contingent on the particular motor effector used. Participants with low levels of sequence awareness displayed the same pattern of results.
本研究采用了序列反应时任务的一种新变体，专注于对运动方向的一个元素进行排序。在任务过程中，刺激中嵌入了交替方向（右-左-右等）的重复模式，并且没有一系列的反应位置。通过两种效应器系统进行反应：单指反应（需要在反应键之间进行手臂横向移动）和四指反应（4个单独的手指放在4个单独的键上；不需要手臂横向移动）。只有在训练期间进行横向运动的参与者才学会了方向序列，这表明学习取决于所使用的特定运动效应器。序列意识水平较低的参与者也表现出相同的结果模式。
