Temporal control of movements in sensorimotor synchronization
Temporal control of movements in sensorimotor synchronization
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DOI：
10.1006/brcg.2001.1304
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发表时间：
2002-02-01
影响因子：
2.5
通讯作者：
Aschersleben, G
中科院分区：
文献类型：
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作者：
Aschersleben, G
在事件的时间结构（例如，它的音调序列）是可预测的，与该事件序列同步地执行运动（例如，跳舞是一件容易的事。一个相当简化的版本，这项任务的研究中的感觉运动同步范例。参与者被指示将他们的手指敲击与信号的等幅序列（例如，点击）。虽然这是一项简单的任务，但会观察到一个系统性错误：敲击通常比点击提前几十毫秒。不同的模型已经被提出来解释这种效应（“负同步”或“同步错误”），一组解释是基于这样的想法，即同步是在中央表征的水平上建立的（而不是在外部事件的水平上），并且动作的时机是由（预期的）动作效应决定的。这些假设进行测试，操纵量的感官反馈，以及其时间特性，从水龙头，本文提出了一个概述这些代表性的模型和支持它们的经验证据。它还根据进一步的证据简要讨论了其他帐户。(C)2001年，爱思唯尔科学。
Under conditions in which the temporal structure of events (e.g.. it sequence of tones) is predictable, performing movements in synchrony with this sequence of events (e.g., dancing) is an easy task. A rather simplified version of this task is studied in the sensorimotor synchronization paradigm. Participants are instructed to synchronize their finger tap,, with in isochronous sequence of signals (e.g., clicks). Although this is an easy task, a systematic error is observed: Taps usually precede clicks by several tens of milliseconds. Different models have been proposed to account for this effect ("negative asynchrony" or "synchronization error"), One group of explanations is based on the idea that synchrony is established at the level of central representations (and not at the level of external events), and that the timing of an action is determined by the (anticipated) action effect. These assumptions are tested by manipulating the amount of sensory feedback available from the tap as well its its temporal characteristics, This article presents an overview of these representational models and the empirical evidence supporting them. It also discusses other accounts briefly in the light of further evidence. (C) 2001 Elsevier Science.