Early sleep triggers memory for early visual discrimination skills

@article{Gais2000EarlyST,
  title={Early sleep triggers memory for early visual discrimination skills},
  author={Steffen Gais and Werner Plihal and Ullrich Wagner and Jan Born},
  journal={Nature Neuroscience},
  year={2000},
  volume={3},
  pages={1335-1339}
}
Improvement after practicing visual texture discrimination does not occur until several hours after practice has ended. We show that this improvement strongly depends on sleep. To specify the process responsible for sleep-related improvement, we compared the effects of 'early' and 'late' sleep, dominated respectively by slow-wave and rapid eye movement (REM) sleep. Discrimination skills significantly improved over early sleep, improved even more over a whole night's sleep, but did not improve… 

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