Ullrich Wagner

Summary

Country: Germany

Publications

  1. ncbi Sleep inspires insight
    Ullrich Wagner
    Department of Neuroendocrinology, University of Lubeck, Ratzeburger Allee 160, 23538 Lubeck, Germany
    Nature 427:352-5. 2004
  2. ncbi The impact of post-learning sleep vs. wakefulness on recognition memory for faces with different facial expressions
    Ullrich Wagner
    Department of Neuroendocrinology, University of Lubeck, Lubeck, Germany
    Neurobiol Learn Mem 87:679-87. 2007
  3. ncbi Changes in processing of masked stimuli across early- and late-night sleep: a study on behavior and brain potentials
    Rolf Verleger
    Department of Neurology, University of Lubeck, Ratzeburger Allee 160, 23538 Lubeck, Germany
    Brain Cogn 68:180-92. 2008
  4. ncbi Sleep effects on slow-brain-potential reflections of associative learning
    Rolf Verleger
    Dept of Neurology, University of Lubeck, D 23538 Lubeck, Germany
    Biol Psychol 86:219-29. 2011
  5. ncbi Sleep to implement an intention
    Susanne Diekelmann
    Department of Neuroendocrinology, University of Lubeck, Lubeck, Germany
    Sleep 36:149-53. 2013
  6. ncbi Differential associations of early- and late-night sleep with functional brain states promoting insight to abstract task regularity
    Juliana Yordanova
    Department of Neurology, University of Lubeck, Lubeck, Germany
    PLoS ONE 5:e9442. 2010
  7. ncbi Effects of cortisol suppression on sleep-associated consolidation of neutral and emotional memory
    Ullrich Wagner
    Department of Neuroendocrinology, University of Lubeck, Germany
    Biol Psychiatry 58:885-93. 2005
  8. ncbi Sleep enhances false memories depending on general memory performance
    Susanne Diekelmann
    Department of Neuroendocrinology, University of Luebeck, Luebeck, Germany
    Behav Brain Res 208:425-9. 2010
  9. ncbi Sleep, hormones, and memory
    Jan Born
    Department of Neuroendocrinology, University of Lubeck, Haus 23a, Lubeck, Germany
    Obstet Gynecol Clin North Am 36:809-29, x. 2009
  10. ncbi Covert reorganization of implicit task representations by slow wave sleep
    Juliana Yordanova
    Department of Neurology, University of Lubeck, Lubeck, Germany
    PLoS ONE 4:e5675. 2009

Detail Information

Publications24

  1. ncbi Sleep inspires insight
    Ullrich Wagner
    Department of Neuroendocrinology, University of Lubeck, Ratzeburger Allee 160, 23538 Lubeck, Germany
    Nature 427:352-5. 2004
    ..We conclude that sleep, by restructuring new memory representations, facilitates extraction of explicit knowledge and insightful behaviour...
  2. ncbi The impact of post-learning sleep vs. wakefulness on recognition memory for faces with different facial expressions
    Ullrich Wagner
    Department of Neuroendocrinology, University of Lubeck, Lubeck, Germany
    Neurobiol Learn Mem 87:679-87. 2007
    ..Results suggest that face recognition, despite its dependence on specialized brain systems, nevertheless relies on the general neural mechanisms of sleep-associated memory consolidation...
  3. ncbi Changes in processing of masked stimuli across early- and late-night sleep: a study on behavior and brain potentials
    Rolf Verleger
    Department of Neurology, University of Lubeck, Ratzeburger Allee 160, 23538 Lubeck, Germany
    Brain Cogn 68:180-92. 2008
    ..These findings suggest that sleep promotes perceptual learning primarily by its REM sleep portion, but indirectly also by way of improved action monitoring supported by deep slow-wave sleep...
  4. ncbi Sleep effects on slow-brain-potential reflections of associative learning
    Rolf Verleger
    Dept of Neurology, University of Lubeck, D 23538 Lubeck, Germany
    Biol Psychol 86:219-29. 2011
    ..The association-independent stimulus-specific effect might generally form a major component of sleep-related effects on memory...
  5. ncbi Sleep to implement an intention
    Susanne Diekelmann
    Department of Neuroendocrinology, University of Lubeck, Lubeck, Germany
    Sleep 36:149-53. 2013
    ..Sleep supports the consolidation of new memories. However, this effect has mainly been shown for memories of past events. Here we investigated the role of sleep for the implementation of intentions for the future...
  6. ncbi Differential associations of early- and late-night sleep with functional brain states promoting insight to abstract task regularity
    Juliana Yordanova
    Department of Neurology, University of Lubeck, Lubeck, Germany
    PLoS ONE 5:e9442. 2010
    ..The present study tested the hypothesis if sleep-related alterations in functional activation states modulate the probability of insight into a hidden abstract regularity of a task...
  7. ncbi Effects of cortisol suppression on sleep-associated consolidation of neutral and emotional memory
    Ullrich Wagner
    Department of Neuroendocrinology, University of Lubeck, Germany
    Biol Psychiatry 58:885-93. 2005
    ..The role of the strong cortisol rise accompanying late sleep for emotional memory consolidation has not yet been investigated...
  8. ncbi Sleep enhances false memories depending on general memory performance
    Susanne Diekelmann
    Department of Neuroendocrinology, University of Luebeck, Luebeck, Germany
    Behav Brain Res 208:425-9. 2010
    ..The other is related to the recovery function of sleep and affects cognitive control processes of retrieval. Both effects are unmasked when the material is relatively weakly encoded...
  9. ncbi Sleep, hormones, and memory
    Jan Born
    Department of Neuroendocrinology, University of Lubeck, Haus 23a, Lubeck, Germany
    Obstet Gynecol Clin North Am 36:809-29, x. 2009
    ....
  10. ncbi Covert reorganization of implicit task representations by slow wave sleep
    Juliana Yordanova
    Department of Neurology, University of Lubeck, Lubeck, Germany
    PLoS ONE 4:e5675. 2009
    ..The present study elucidated the role of task-dependent cortical activation guided by attentional control at pre-sleep encoding for the consolidation of hippocampus-dependent memories during sleep...
  11. ncbi Sleep enhances explicit recollection in recognition memory
    Spyridon Drosopoulos
    University of Lubeck, Department of Neuroendocrinology, D 23538 Lubeck, Germany
    Learn Mem 12:44-51. 2005
    ..05). The data indicate that in a task that allows separating the contribution of explicit and implicit memory, sleep particularly supports explicit memory formation. The mechanism of this effect appears to be linked to SWS...
  12. ncbi Sleep loss produces false memories
    Susanne Diekelmann
    Department of Neuroendocrinology, University of Lubeck, Lubeck, Germany
    PLoS ONE 3:e3512. 2008
    ..This effect was abolished by caffeine administration prior to retrieval, indicating that adenosinergic mechanisms can contribute to the generation of false memories associated with sleep loss...
  13. ncbi Shifting from implicit to explicit knowledge: different roles of early- and late-night sleep
    Juliana Yordanova
    Department of Neurology, University of Lubeck, 23538 Lubeck, Germany
    Learn Mem 15:508-15. 2008
    ....
  14. ncbi Opposite effects of cortisol on consolidation of temporal sequence memory during waking and sleep
    Ines Wilhelm
    University of Lubeck, Germany
    J Cogn Neurosci 23:3703-12. 2011
    ..These results point toward fundamentally different mechanisms of hippocampal memory consolidation, depending on the brain state...
  15. ncbi Visual-procedural memory consolidation during sleep blocked by glutamatergic receptor antagonists
    Steffen Gais
    Department of Neuroendocrinology, University of Lubeck, 23538 Lubeck, Germany
    J Neurosci 28:5513-8. 2008
    ..An off-line activation of glutamatergic synapses therefore seems to play a critical part in the consolidation of plastic changes in the visual cortex...
  16. ncbi Sleep enforces the temporal order in memory
    Spyridon Drosopoulos
    Department of Neuroendocrinology, University of Lubeck, Lubeck, Germany
    PLoS ONE 2:e376. 2007
    ..To address this issue we tested the influence of sleep on the strength of forward and backward associations in word-triplets...
  17. ncbi Memory consolidation during sleep: interactive effects of sleep stages and HPA regulation
    Ullrich Wagner
    Department of Neuroendocrinology, University of Lubeck, Lubeck, Germany
    Stress 11:28-41. 2008
    ..The increase in cortisol release during late REM sleep-rich sleep may counteract an overshooting consolidation of emotional memories...
  18. ncbi Elevated cortisol at retrieval suppresses false memories in parallel with correct memories
    Susanne Diekelmann
    University of Lubeck, Lubeck, Germany
    J Cogn Neurosci 23:772-81. 2011
    ..Cortisol, by a general impairing influence on retrieval operations, decreases, in parallel, retrieval of false (i.e., gist) and correct (i.e., specific) memories for the event...
  19. ncbi Brief sleep after learning keeps emotional memories alive for years
    Ullrich Wagner
    Department of Neuroendocrinology, Medical University of Lubeck, Lubeck, Germany
    Biol Psychiatry 60:788-90. 2006
    ....
  20. ncbi Memory consolidation during sleep: role of cortisol feedback
    Jan Born
    University of Lubeck, Department of Neuroendocrinology, Ratzeburger Allee 160, Hs 23a, D 23538 Lubeck, Germany
    Ann N Y Acad Sci 1032:198-201. 2004
    ..The findings are consistent with the view that cortisol via activation of limbic glucocorticoid receptors generally diminishes memory consolidation...
  21. ncbi Awareness in memory: being explicit about the role of sleep
    Jan Born
    Department of Neuroendocrinology, University of Lubeck, Lubeck, Germany
    Trends Cogn Sci 8:242-4. 2004
    ..These new data add to emerging evidence that sleep-related memory consolidation involves an interaction between different memory systems...
  22. ncbi Improvement of sleep and pituitary-adrenal inhibition after subchronic intranasal vasopressin treatment in elderly humans
    Boris Perras
    Institute of Neuroendocrinology, University of Lubeck, Germany
    J Clin Psychopharmacol 23:35-44. 2003
    ..Overall, results indicate a promoting effect of AVP on SWS in aged accompanied by a beneficial rather than impairing influence on the neuroendocrine pattern of sleep...
  23. ncbi Signs of REM sleep dependent enhancement of implicit face memory: a repetition priming study
    Ullrich Wagner
    Department of Physiological Psychology, University of Bamberg, Markusplatz 3, D 96045 Bamberg, Germany
    Biol Psychol 62:197-210. 2003
    ..Together, these findings indicate that implicit face memories particularly benefit from REM sleep associated brain mechanisms...
  24. ncbi Changes in emotional responses to aversive pictures across periods rich in slow-wave sleep versus rapid eye movement sleep
    Ullrich Wagner
    Department of Physiological Psychology, University of Bamberg, Bamberg, Germany
    Psychosom Med 64:627-34. 2002
    ..The present study compared processing pictures with negative emotional impact over intervals covering either early sleep dominated by slow-wave sleep (SWS) or late REM sleep-dominated sleep...