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J Exp Psychol Hum Percept Perform. 2002 Jun;28(3):575-88.

Dissociation of explicit and implicit timing in repetitive tapping and drawing movements.

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Department of Health and Kinesiology, Purdue University, West Lafayette, Indiana 47907, USA.


Four experiments explored the hypothesis that temporal processes may be represented and controlled explicitly or implicitly. Tasks hypothesized to require explicit timing were duration discrimination, tapping, and intermittent circle drawing. In contrast, it was hypothesized that timing control during continuous circle drawing does not rely on an explicit temporal representation; rather, temporal control is an emergent property of other control processes (i.e., timing is controlled implicitly). Temporal consistency on the tapping and intermittent drawing tasks was related, and performance on both of these tasks was correlated with temporal acuity on an auditory duration discrimination task. However, timing variability of these 3 tasks was not correlated with timing variability of continuous circle drawing. These results support the hypothesized distinction between explicit and implicit temporal representations.

[Indexed for MEDLINE]

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