期刊
JOURNAL OF NEUROSCIENCE
卷 27, 期 46, 页码 12475-12483出版社
SOC NEUROSCIENCE
DOI: 10.1523/JNEUROSCI.2062-07.2007
关键词
sleep; daytime enhancement; memory consolidation; implicit learning; motor sequence learning; probabilistic sequences
资金
- NIA NIH HHS [R37 AG015450, R37AG15450] Funding Source: Medline
- NINDS NIH HHS [F31NS053388, F31 NS053388] Funding Source: Medline
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.
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