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- Title
Sleep Does Not Benefit Probabilistic Motor Sequence Learning.
- Authors
Sunbin Song; Howard Jr, James H.; Howard, Darlene V.
- Abstract
It has become widely accepted that sleep-dependent consolidation occurs for motor sequence learning based on studies using finger-tapping tasks. Studies using another motor sequence learning task [the serial response time task (SRTT)] have portrayed a more nuanced picture of off-line consolidation, involving both sleep-dependent and daytime consolidation, as well as modifying influences of explicit awareness. The present study used a variant of the SRTT featuring probabilistic sequences to investigate off-line consolidation. Probabilistic sequences confer two advantages: first, spontaneous explicit awareness does not occur, and second, sequence learning measures are continuous, making it easier to separate general skill from sequence-specific learning. We found that sleep did not enhance general skill or sequence-specific learning. In contrast, daytime enhancement occurred for general skill but not for sequence-specific learning. Overall, these results suggest that motor learning does not always undergo consolidation with sleep.
- Subjects
SLEEP; MOTOR learning; MEMORY; MOVEMENT sequences; IMPLICIT learning
- Publication
Journal of Neuroscience, 2007, Vol 27, Issue 46, p12475
- ISSN
0270-6474
- Publication type
Article
- DOI
10.1523/JNEUROSCI.2062-07.2007